| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 081570500 | Turret head | 7 |
| 20080216609 | Granular Particle Gripping Surface - An improved die insert for gripping oil field tubular members in tubular handling systems such as power tongs, slips, safety clamps and the like. The die insert has a gripping surface which comprises a backing surface adapted to contact the tubular member. The backing surface may be smooth or it may have a series of teeth formed thereon. The backing surface further has a granulated particle coating applied thereto which forms the gripping surface of the present invention. In a preferred embodiment, the gripping surface will include a refractory metal carbide selected from the group consisting of the carbides of silicon, tungsten, molybdenum, chromium, tantalum, niobium, vanadium, titanium, zirconium, and boron. | 09-11-2008 |
| 20110197714 | MULTI-WRENCH APPARATUS AND METHOD OF USE - A wrench assembly and a method of use are disclosed herein. A wrench assembly for handling one or more work pieces may include a handle, a first drive member connected to a first end of the handle, and a second drive member connected to a second end of the handle. The first and second drive members may each have a plurality of drives configured to engage and transmit torque to one or more work pieces. The drive members may include a spline configuration operable to engage work pieces having different shapes of engagement surfaces. A method of handling a work piece using the wrench assembly may include engaging one or more of the work pieces with the spline configuration of the drive members and transmitting torque to the work piece by applying a force to the wrench assembly. | 08-18-2011 |
| 20110303052 | WRENCH WITH INTERCHANGEABLE MULTI-TOOL HEADS - A wrench is configured to interchangeably accept different multi-tool heads. The wrench has tool head mounts located at opposing ends of a body. Connectors or connecting mechanisms are provided for interchangeably accepting tool heads at each mount. The connectors may comprise mounting pins which pass through a passage in the tool head and engage struts of the mounts. | 12-15-2011 |
| 20120240731 | Tool extension - A tool extension includes a receiving member having a stem and a casing, the stem includes an engaging hole for engaging with a driving tool, and the casing includes an space formed between two plates for engaging with an adapter, the adapter includes a number of radially extended protrusions for rotating and directing toward and away from the stem, the adapter and includes a socket opening formed in each of the protrusions for engaging with various tool elements or fasteners. The casing includes a spring biased projection engaged in one of the plates for selectively engaging with the adapter and for positioning the adapter to the casing. | 09-27-2012 |
| 20120260775 | FLEX-HEAD WRENCH - A wrench including a handle having a first yoke at a first end and a first plurality of tool heads coupled to the first yoke at a first pivot axis, at least a first tool head of the first plurality of tool heads having a drive cavity. Each tool head of the first plurality of tool heads is pivotable about the first pivot axis independently of the other tool heads of the first plurality of tool heads. | 10-18-2012 |
| 20130081517 | Multi-head Ratchet Sleeve Spanner - Embodiments of the present invention relate to a multi-socket ratchet wrench. The multi-socket ratchet wrench includes a handle, at least one ring-shaped ratchet wheel assembly, and at least one multi-socket assembly. The ring-shaped ratchet wheel assembly is coupled to the handle. The multi-socket assembly comprises at least two sockets integrated together. The sockets are rotatably connected to an inner side of the ring-shaped ratchet wheel. The multi-socket ratchet wrench according to embodiments of the present invention combines multiple sockets and ratchet wheels together thus have the functions of both multiple sockets and ratchet wheels. The advantages include compact in structure, and flexible and convenient to use. | 04-04-2013 |
| 20130205952 | ROTARY RATCHETING WRENCH - A ratcheting wrench includes a handle and a working end. A body is combined to the working end of the handle for rotation with respect to the working end around a first axis. A pawl couples the working end of the handle to the body for one-way rotation of the body around the first axis. A removable insert is coupled to the body for rotation with respect to the body around a second axis that is perpendicular to the first axis. A catch assembly selectively couples the insert to the body, so that the insert can be removed. | 08-15-2013 |
