| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 042100020 | Magazine shot | 26 |
| 20080276517 | Cartridge Counter - Box type ammunition clip that can be totally or partially fitted to an automatic and/or semiautomatic firearm | 11-13-2008 |
| 20090094875 | SYSTEMS AND METHODS FOR TRACKING AMMUNITION SUPPLY IN A MAGAZINE - Systems and methods for tracking ammunition supply in a magazine are disclosed herein. A method for tracking a number of cartridges remaining within a magazine includes tracking an indicator strip coupled to a spring housed within a magazine housing, the magazine housing having the spring coupled at a first end to a follower and at a second end to a foot plate, the spring tangent to the foot plate. The method further includes selectively altering a number of cartridges in the magazine housing and monitoring an indicator window attached to the foot plate and configured to guide the indicator strip, the indicator strip aligned with a reference on the indicator window showing the number of cartridges remaining | 04-16-2009 |
| 20100115815 | MAGAZINE STATUS INDICATOR - The present invention provides a magazine with an indicator displaying the number of cartridges present therein. The magazine has a graduated tape having printed thereupon, a series of numbers representing the number of cartridges present in the magazine. A portion of the tape is displayed in an indicator window present on the magazine housing, to show an indication of the number of cartridges remaining in said magazine. | 05-13-2010 |
| 20100281725 | System and Method for the Remote Measurement of the Ammunition Level, Recording and Display of the current level - This invention relates to a method, system and computer program product that monitors usage for man carried weapon systems; specifically a device to monitor ammunition level and weapon discharges through real time data collection, analysis and real time visual feedback to the operator. An ammunition level detecting system mounted on a projectile weapon comprising: A level measurement unit (LMU) and a Reader and Visualization Unit (RVU) and a PC Dongle which configured to facilitate communication between the RVU and a personal computer (PC), enabling management of the RVU configuration and offloading of sensor obtained and system determined data values. | 11-11-2010 |
| 20110005113 | AMMUNITION MAGAZINE - The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and may include an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. | 01-13-2011 |
| 20110030257 | DEVICE FOR INDICATING LOW AMMUNITION IN A FIREARM MAGAZINE - A device for indicating a limited amount of remaining ammunition in a firearm magazine is disclosed. A switch is mounted within the magazine, to a plate at a bottom end of the magazine. The plate may be a magazine insert, a floor plate, a base plate or a base pad. The switch cooperates with or responds to a segment or portion of a magazine spring. An indicating terminal is coupled with the switch. A change in state of the switch activates and deactivates the indicating terminal. The indicating terminal may be electrically connected to an indicating device. The indicating device may be an LED, an incandescent bulb or a light. The “on” and “off” states of the switch correspond to differing positions of the segment of the spring relative to the switch or to the plate and attendant differing amounts of ammunition in the magazine. | 02-10-2011 |
| 20110078936 | Firearm Magazine Indicator - Various embodiments provide a tactile indication to an operator of a firearm of the number of cartridges remaining in the firearm's magazine. In some embodiments, an indication is provided when a critical few cartridges remain in the firearm. | 04-07-2011 |
| 20110119979 | Electronic Device for a Firearm - The invention relates to a an electronic device for the location of a firearm, comprising a processing module, a storage module operatively associated with the processing module, a detection module of a shot fired from a firearm operatively associated with the processing module, a transmit/receive module, operatively associated to the processing module, to allow the processing module to transmit/receive information representative of the electronic device position. The processing module results configured to transmit information representative of a shot fired from the firearm by means of the transmit/receive module. | 05-26-2011 |
| 20110252682 | AMMUNITION SUPPLY INDICATOR DEVICE - An ammunition supply indicator device installable in a firearm ( | 10-20-2011 |
| 20110308125 | MAGAZINE ADD-ON - A magazine add-on comprising a platelet arranged to replace the bottom platelet of the magazine and allow measuring the distance, e.g., via an aperture in the platelet, to the magazine's spring-loaded follower either mechanically by an elastic strap, optically by a rangefinder or by measuring the pressure applied by the spring on the platelet. The add-on further displays a number of bullets left in the magazine in a window, either mechanically by numbers on the back of the strap, or electronically on a display attached to the window and connected to the optical or pressure sensor. The add-on is reusable and may be separated and re-attached to various magazines. | 12-22-2011 |
| 20120131828 | Tracking Weapon Health and Maintenance - A system for tracking weapon health includes a low frequency networked radio tag coupled with a firearm, said radio tag configured to receive and send data signals; a reader configured to be in operative communication with the tag antenna; and a display configured to display data relating to weapon health. The radio tag includes a shot sensor, a shot count register for tracking the number of shots fired and cadence registers for tracking the intervals between shots. | 05-31-2012 |
| 20120167423 | LOAD-SENSING CARTRIDGE COUNTER - A load-sensing base, cartridge and method are provided for use with a firearm. The cartridge includes a support element that moves a cartridge into a chamber of the firearm. The base includes a load sensor that senses a load applied by the support element and outputs a load sensing signal. The bases also include a cartridge counter, coupled to the load sensor, that uses the load sensing signal to determine a number of cartridges remaining. | 07-05-2012 |
| 20130014416 | BOLT-HOLD OPEN APPARATUSAANM Sisgold; Chase B.AACI Palm HarborAAST FLAACO USAAGP Sisgold; Chase B. Palm Harbor FL US - A firearm-magazine interface for replacing an existing firearm-magazine interface of many existing firearms such as assault rifles, namely AK series (AK74, AK47, etc.) provides a lock that holds open the bolt after a last round is fired from a magazine. The firearm-magazine interface also includes a single-button magazine eject. After firing the last round, a bolt-hold lock is urged upwardly in the path of the returning bolt and catches a face of the bolt, thereby locking the bolt open until the magazine is replaced with a replacement magazine, at which time a bolt-hold release paddle pulls the bolt-hold lock downwardly, releasing the bolt to chamber a first round from the replacement magazine. | 01-17-2013 |
| 20130081314 | MAGAZINE ASSEMBLY FOR A FIREARM - A magazine assembly ( | 04-04-2013 |
| 20130133234 | SIGNAL TRANSMITTING FIREARM - A safety feature within a firearm that emits distinctly separate warning signals, the first signal warning of the proximity of the firearm and the second signal indicative of readiness of use of the firearm. These warnings must be functioning for the firearm to be operable. The signal generating part of the safety feature is embedded within the firearm. Optionally, the safety feature includes remote annunciation and transmission of the first and second signals to remote stations. | 05-30-2013 |
| 20130180143 | Adapter Device - Adapter device ( | 07-18-2013 |
| 20140109451 | Firearm Loading Techniques Eliminating Firing Pause and Enabling Rapid Partial Source Replacement and Load Supplementation Prior to Empty - The present invention involves techniques for rapid, flexible, partial and supplemental reloading of firearms using specialized actions, intermediate storage devices/feeds and multiple magazines, which may, in some embodiments, be simultaneously engaged with a firearm. The techniques disclosed include a feeding system, which may be a multiple-magazine feeding system, that allows a firearm to remain loaded and firing-ready with multiple loaded cartridges at all times, even during reloading operations. The invention also includes other techniques for flexible, non-wasteful, partially-empty reloading, to eliminate reloading paralysis, and allow the soldier or other user, not the size of a magazine, to determine when firing should continue and when and if it should pause. | 04-24-2014 |
| 20140173959 | METHODS AND SYSTEMS FOR DETECTING A GUN AND/OR BULLET WITHIN ONE'S VICINITY VIA AN ELECTRONIC DEVICE - A projectile is presented including a casing, a propellant, and a primer configured to ignite the propellant. The projectile also includes an electronic beacon incorporated within the casing of the projectile, the electronic beacon configured to emit at least one signal to be received by at least one electronic device located within a pre-established vicinity of the projectile. The electronic device provides a notification indicating proximity of the projectile. The electronic beacon may be a radio transceiver operating at, at least one of a plurality of frequencies. The electronic device may be a mobile device. The notification is a visual notification or an audible notification or a combination thereof. The notification may indicate a safe condition or a danger condition based on an identifier of the electronic beacon. | 06-26-2014 |
| 20140173960 | METHODS AND SYSTEMS FOR DETECTING A GUN AND/OR BULLET WITHIN ONE'S VICINITY VIA AN ELECTRONIC DEVICE AND CONNECTING TO A SOCIAL NETWORK - A loaded weapon notification system is presented including a weapon having a frame, a barrel connected to the frame, and a magazine mechanically cooperating with the frame and at least one projectile configured to be stored within the magazine of the weapon. The loaded weapon notification system further includes an electronic beacon non-removably incorporated within the weapon and/or the projectile, the electronic beacon configured to emit at least one signal to be received by at least one electronic device located within a predetermined range of the weapon and/or projectile. The electronic device provides a notification indicating the weapon and/or projectile to be within the predetermined range, the notification subsequently transmitted to at least one social network of a subject associated with the electronic device. | 06-26-2014 |
| 20140202056 | Light Emitting Firearm Magazine Indicator - An apparatus known as a self-illuminating light-emitting firearm magazine indicator, or simply, light-emitting magazine indicator, (LEMI), is described here forth. The light-emitting firearm magazine indicator makes use of a self-illuminating device. The device and/or materials could comprise: radioactive gaseous isotopes, self-illuminating paint or any other substance that contains self-luminous properties. The light-emitting firearm magazine indicator will make use of any form of self-illumination technology that require no external power source or battery technology in order to give off light emissions. The light-emitting firearm magazine indicator will use the properties of radio-luminescence as a primary, but not exclusive source to create such attributes. The light-emitting firearm magazine indicator will do the above in order to provide a visual indication of magazine contents or capacity of ammunition in low light to zero light conditions, where firearm magazine contents or capacity of ammunition would otherwise be visually imperceptible without the use of said self-luminous device or the use of an external light source. | 07-24-2014 |
| 20140250750 | APPARATUS AND METHODS FOR TRACKING AMMUNITION SUPPLY IN A MAGAZINE - A magazine is disclosed including a storage tube and a biasing member positioned within the storage tube. A strip engages the follower and extends toward a distal end of the storage tube. A display member is coupled to the strip and is viewable through the storage tube. The display member displays a state of the strip. The strip may be coupled to the follower and wrap around an axle or spool engaging an axle. The display member may be a window such that a portion of the strip around the axle is viewable. The strip may include visual indicators that are visible through the window and indicate a number of rounds within the magazine. A switch may be selectively activated to illuminate a portion of the strip viewable through the window. | 09-11-2014 |
| 20140311003 | FIREARM MAGAZINE WITH ROUND COUNTING CIRCUIT - A device for displaying the number of rounds remaining in a firearm magazine is disclosed. The device may include a digital counter with a voltage source. A voltage may flow from the from the digital counter, through a magazine connection, and to a follower conductor in the magazine. The follower conductor may contact binary coded conductive strips, which may return a binary representation of the number of rounds in the magazine to the digital counter. | 10-23-2014 |
| 20150075047 | Tracking Weapon Health and Maintenance - A system for tracking weapon health includes a low frequency networked radio tag coupled with a firearm, said radio tag configured to receive and send data signals; a reader configured to be in operative communication with the tag antenna; and a display configured to display data relating to weapon health. The radio tag includes a shot sensor, a shot count register for tracking the number of shots fired and cadence registers for tracking the intervals between shots. | 03-19-2015 |
| 20160069629 | WIRELESS DUAL MODULE SYSTEM FOR SENSING AND INDICATING THE AMMUNITION CAPACITY OF A FIREARM MAGAZINE - This invention is to a wireless dual module system for sensing and indicating the remaining rounds contained within a detachable or integrated firearm magazine. The dual module system, one containing a display (display module) and one more round sensing modules (magazine module) may be implemented with no significant modifications to the firearm or magazine. The display module and one or more magazine modules wirelessly linked together are referred to as the system. The system is configured to provide the number of rounds remaining in a magazine, if a magazine is seated properly in the magazine, to indicate an empty magazine, or to indicate that the number of rounds remaining in the magazine is above or below a predetermined range. The system is able to provide an immediate indication of the remaining rounds in a magazine, regardless of the amount of rounds discharged or supplemented by the user. | 03-10-2016 |
| 20160169602 | MAGAZINE FOR A FIREARM PROVIDED WITH A DEVICE INDICATING THE NUMBER OF REMAINING CARTRIDGES | 06-16-2016 |
| 20160195351 | AMMUNITION STATUS REPORTING SYSTEM | 07-07-2016 |
