Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7300277 | Torch operable to position a flow control lever at a plurality of locations on the torch A torch operable to pivotally secure a lever on opposite sides of the torch. The torch may comprise a torch butt, a valve assembly, and a lever. The valve assembly may be operable to control a flow of a fluid through the torch butt. The lever may be selectively secu... | 11/27/2007 |
| 7182094 | Air nozzle for inflating cushion A nozzle through which air can be pumped into a cushion from a pump includes a housing with a passage extending therein and a space intersecting the passage. A core is put in the space in a sealing and sliding manner for pushing a valve installed in the cushion. The... | 02/27/2007 |
| 6994314 | Valves activated by electrically active polymers or by shape-memory materials, device containing same and method for using same This invention concerns a valve (2), with at least one channel (3) running through it, allowing a fluid (F3) to be directed by transfer means within a device (1), the device (1) featuring at least one face (4), possibly flat... | 02/07/2006 |
| 6957742 | Vented trap A swimming pool debris trap having an externally operable venting mechanism for reducing pressure or vacuum in the trap. ... | 10/25/2005 |
| 6880803 | Closure device for the fluid delivery line of a high-pressure cleaning apparatus In a closure device for the fluid delivery line of a high-pressure cleaning apparatus having arranged in the fluid delivery line a closure member which is pressed with a closing force against a valve seat and thereby closes the fluid delivery line, and which is lift... | 04/19/2005 |
| 6793195 | Faucet for waterbowl A faucet for a waterbowl includes a control knob, a lifting seat, a valve cover, a valve body and a spindle assembly which controls the water flow on-off. The spindle assembly is provided within the valve body, with a spindle of the spindle assembly extending throug... | 09/21/2004 |
| 6736369 | ADA metering faucet mechanism A metering faucet includes a housing and a faucet metering cartridge positioned within the housing and having an outwardly extending faucet stem which is movable along a stem axis. There is a cartridge cap which is positioned within the housing and has a portion ext... | 05/18/2004 |
| 6439538 | Pressure variable valve apparatus and set pressure detecting apparatus of the valve apparatus A pressure variable valve apparatus includes a mover constituted to be embedded in the body and movable linearly in B direction in a main body to change pressure for releasing closure of a valve flow path by a valve element, a fixed magnetic marker provid... | 08/27/2002 |
| 5620015 | Flush valve A valve for sealing a pipe opening with a seal plate movably attached to the pipe opening and a valve body fixed to the pipe opening. Moving the seal plate towards the pipe opening closes the valve, and moving the seal plate away from the pipe opening ope... | 04/15/1997 |
| 4557464 | Plug type faucet valve This new plug type faucet valve assembly of the present invention particularly adapted for use in plumbing fixtures, for dispensing and, or mixing hot or cold water into lavatory sinks, vessel and the like, herein being disclosed. The preferred embodiment... | 12/10/1985 |
| 4553733 | Zone control valve In a zone valve, an improved arrangement for connecting the operator unit to the valve unit is provided. A one piece wire locking spring carried by the operator unit in conjunction with a groove on the valve unit valve plug provides a snap connection.... | 11/19/1985 |
| 4524631 | Valve for power-steering systems Valve for controlling a power-assisted rack-and-pinion steering mechanism, of the slide-valve kind, whose slide member 11 moves along an axis different from that of the pinion 1 as a result of the axial movement of the pinion produced by the thrust exerte... | 06/25/1985 |
| 4334666 | Expanding gate valve with position responsive interlock A gate valve (10) has an expanding gate assembly (34) mounted in the valve chamber (14) for movement between open and closed positions. The gate assembly (34) includes a gate (44) connected to a valve stem (28) and a segment (52) is carried by the gate (4... | 06/15/1982 |
