| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 138090000 | Test plugs | 14 |
| 20090078327 | Combined Pressure, Temperature and Air Vent Device - A venting probe insertion chamber that is attached to a uniquely designed port which combines the attributes of a probe insertion chamber along with the ability to vent to atmosphere gasses that are present in piping system. This invention combines the functions of two existing products in an economically viable product. This inventive design performs all task required without the need for O-rings or sealing elements present on prior art products. Creating a simpler to manufacture and maintain device that allow for a user to obtain accurate readings of temperature and pressure while using a minimal amount of tooling. The user is able to remove the protective cap while using only a single tool to prevent dislodgement of the product from the associated port. Current state of the art can potentially place a user in harm as accidental dislodgement of their product can occur having only a single operator. | 03-26-2009 |
| 20090084456 | FITTING WITH INTEGRAL TEST MEMBRANE - There is disclosed a fitting for a plumbing drainage system. The fitting comprises a body, an inlet at one end of the body, an outlet at the other end of the body, a fluid flow passageway extending between the inlet and the outlet through the body. The fitting also comprises a hydraulic test membrane bonded to the fitting across the fluid passageway, the membrane being sized and shaped to be manually punctured. There is also disclosed a method of making such a fitting. | 04-02-2009 |
| 20090114301 | Double Block and Bleed Plug - A pipe plug comprised of two, pivotally connected plugging heads, each plugging head having a sealing element, which work in combination to double block and bleed a pipe. The first sealing element prevents flow of product in the pipe and the second sealing element captures any leakage past the first sealing element and forces that leakage out through a fitting. A stabilization pad, connected to a flange on a nosepiece of each plugging head, prevents deformation of the sealing elements. A spring-loaded pivot arm connected to the second plugging head allows the yoke that connects the two plugging heads to rotate freely. An outward-facing raised taper projection on the pivot arm, along with a guide wheel connected to the first plugging head, prevent the yokes and plugging heads from becoming entrapped during their installation in or removal from the pipe. | 05-07-2009 |
| 20090114302 | Double Block and Bleed Plug - A pipe plug includes two or more pivotally connected plugging heads that work in combination to double block and bleed a pipe. At least one of the plugging heads has an expandable sealing element that is in communication with an inflation source. The sealing element may be an inflatable sealing element or a compression packer sealing element. A passageway-sections of which may pass through the pivotal connection and into the plugging head-carries the inflation medium from the source to the sealing element. A bleed port passageway is also provided that passes through the plugging head. The leading plugging head may include a cleaning element for sweeping away debris ahead of the plug. The plugging heads may also include a skid plate that slideably engages the interior surface of the pipe to properly orient the plugging heads within the pipe. | 05-07-2009 |
| 20090139592 | PRESSURE VALVE INLET COVER SYSTEM - A pressure cap having a generally cylindrical hollow body with a semispherical cap having an orifice defined within and passing through said cap, a valve stem passing through and of smaller cross-section than the orifice, a valve member supported by the valve stem within the hollow body, a valve seat surrounding the inner end of the orifice and upon which the valve member is normally seated so as to close the orifice, and mateable threading to attach to an existing pipe, or attach by frictional fit. It may also have a rubberized flange to fit over a drain line for pressuring a drain and any of a variety of valve stem configurations to accommodate different pump systems and access requirements. Further, a method for clearing an obstructed pipe using a pressure cap as disclosed. In another embodiment a balloon is positioned within the pipe to receive pressurized air until bursting, thereby sending a blast of air down the pipe to clear obstructions. | 06-04-2009 |
| 20090188577 | PLUMBING TEST CAP WITH PIVOTAL LATCH - A plumbing test cap has a body with a bore extending from a first end which is mountable over a stub-out having a surface engagement feature. The body has a closed second end. A retainer is carried on the body for transverse movement from a first position allowing movement of the body relative to the stub-out and a second position in which the retainer is locked to the body, in turn locking the body on the stub-out. | 07-30-2009 |
| 20100012211 | TEAR OUT TEST PLUG FOR PLUMBING INSTALLATIONS - A tear out test plug for plumbing installations includes a cylindrical body having a peripheral sidewall, a closed end and an open end. A positioning flange extends outwardly from the peripheral sidewall at the open end. An end wall closes the closed end. A frangible strip extends from the open end, down the peripheral sidewall, and across at least a portion of the end wall. | 01-21-2010 |
| 20100012212 | APPARATUS FOR PRESSURE TESTING A PLUMBING INSTALLATION - An apparatus for pressure testing a plumbing installation includes a flexible cylindrical body having a peripheral sidewall, a closed end and an open end. A positioning flange extends outwardly from the peripheral sidewall at the open end to facilitate positioning cylindrical body with an end of a pipe into which the cylindrical body has been inserted. An end wall is positioned at the closed end that is. The end wall is curved inwardly and has an inward cylindrical flow channel closed by a partially removable plug. A gripping strip is secured to the partially removable plug that closes an inward cylindrical plug and extends through and past the open end of the cylindrical body, such that upon a force being exerting upon the gripping strip the plug lifts to open the cylindrical flow channel and upon a force continuing to be exerted upon the gripping strip the cylindrical body rolls inside out thereby enabling the cylindrical body to be removed from the pipe. | 01-21-2010 |
| 20100243090 | MECHANICAL CLEAN-OUT TEST PLUG - The present invention provides a test plug for use with a clean-out that extends at an angle from a pipe section of a pipe system. In general, the test plug includes a sealing assembly that is actuated by an actuating member extending at an angle from the sealing assembly. The sealing assembly includes a first plate, a second plate, a valve that is configured to draw the first and second plates together, and a ring-shaped sealing member located between the first and second plates. In various embodiments, the actuating member is configured to move the valve between an open position, in which test media may be communicated through at least one opening in the first plate and through at least one opening in the second plate, and a closed position, in which the valve seals the opening of the first plate and in which the sealing member extends outwardly to seal against an internal surface of the pipe section. | 09-30-2010 |
| 20100269940 | Multi-port inline flow cell for use in monitoring multiple parameters in a sanitary process line - Inline flow cell for use in monitoring multiple parameters in a sanitary process line, comprising a body with opposing end walls, a flow passageway extending along an axis between the end walls, and a plurality of side walls disposed tangentially about the axis, inlet and outlet fittings communicating with the passageway at the ends of the body for connecting the flow cell in a sanitary process line with fluid in the line flowing through the passageway, and monitoring ports opening through more than two of the side walls for receiving sensors for monitoring multiple parameters in the fluid. | 10-28-2010 |
| 20110126933 | PIPE END SEALING TOOL - A pipe end-sealing tool includes a body. A seal is mounted on the body and is adapted to apply a sealing pressure to an inner wall of a pipe end to be sealed. A lock is also mounted on the body and is adapted to engage an outer wall of the pipe end. Thus, a load applied to the pipe wall by the lock opposes the sealing pressure. | 06-02-2011 |
| 20120192982 | FLEXIBLE PIPE TERMINAL END-ATTACHMENT DEVICE - A terminal end-attachment device ( | 08-02-2012 |
| 20130025729 | DUCT PORT FOR PRESSURE SENSING - The present disclosure related generally to ports for sensing one or more parameters in an HVAC system, and methods for installing such ports. In one illustrative embodiment, a port provides a fluid passageway through a wall of an HVAC component such as an air duct. The port may be formed of a hollow stem member having a first end and a second end and a head member positioned therebetween. The port may include an anchor member for anchoring the port to a wall of the HVAC component. In some cases, the anchor member may secure the port within the wall such that the head member forms a substantially fluid tight seal with the wall. | 01-31-2013 |
| 20150316193 | Test-plug-plate - A Test-Plug-Plate is a plate designed to be inserted into a mounting plate or installation bracket used for protecting and testing of residential and commercial central vacuum cleaning systems during the “rough-in” stage of construction. The purpose of the invention is to provide central vacuum cleaning system installers a way to check for vacuum leakage, voltage, and circuit continuity throughout the entire installed system in both residential and commercial central vacuum cleaning systems prior to the insulation and drywall installed during construction. The double air-tight sealing feature, the construction debris protection feature, and the ease of electrical voltage and continuity testing makes this invention a very effective cover plate and testing tool for the central vacuum cleaning industry. | 11-05-2015 |
