...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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 |
| 7111819 | Stop ring and a hydraulic/pneumatic device equipped with a stop ring A stop ring is made of an elastic member curved substantially in a plane into a ring shape having a first end and a second end spaced apart from each other in a circumferential direction. The first end is bent in a plane to incline inward with respect to a radial di... | 09/26/2006 |
| 6640823 | Fitting A fitting including a housing (2), a rotatable body (4) which is situated in the housing and which may advantageously be constructed in the form of a conical plug, a bushing (18) provided in the housing to floatingly mount and seal the rotatable body (4),... | 11/04/2003 |
| 5327929 | Plug valve A plug valve having a body with an inlet, an outlet and a plug-receiving opening which intersects the inlet and outlet. A plug is mounted in the opening and has an outer wall and an orifice extending therethrough. The plug is movable from an operative pos... | 07/12/1994 |
| 5269339 | Sealed bonnet for actuating a quarter turn valve assembly A bonnet is provided for operating a quarter turn valve assembly. The valve assembly includes a valve housing formed to include a fluid-conducting passage therein and a quarter turn valve moveable in the passage to regulate flow of fluid through the passa... | 12/14/1993 |
| 5129417 | Valve including a closing device and sealed connectors This invention relates to a valve comprising a valve body and a dismountable closing means. The closing means comprises a closing member and a support which carries the closing member is received in an inner cavity in the valve body. Locking of the closin... | 07/14/1992 |
| 5076540 | Stop valve A three-piece angle stop valve comprises a valve body, resilient control sleeve and handle, with no separate fastening or sealing elements required. Inlet line pressure resiliently biases the side walls of the control sleeve and a circumferential sealing ... | 12/31/1991 |
| 4917141 | Remotely manipulatable valve It comprises on a pipe, a body (1), an internal assembly (20), an actuator (70) and a holding assembly (40). These various parts can be easily locked and released by standard tools and can be extracted or refitted by simple translation. Positioning and ce... | 04/17/1990 |
| 4794944 | Plastic valve A service valve includes a valve body (12) having an upper chamber (18), a lower chamber (20), an open top end (22) and an open bottom end (24). The lower chamber (20) includes an inlet opening (26) and an outlet opening (28). A valve member (14) is dispo... | 01/03/1989 |
| 4617957 | Rotary plug valve A rotary plug valve has a frusto-conical valve plug (4) received within a frusto-conical valve chamber with a tapered valve liner (3) being provided between the two. The chamber and the plug are oppositely tapered so that by axial movement of the plug the... | 10/21/1986 |
| 4519581 | Faucet handle A faucet handle for a cartridge type non-rising valve including a lower anchoring piece and an upper anchoring piece secured to the non-rising valve casing with a rotation member disposed between the upper and lower anchoring pieces and coupled to the non... | 05/28/1985 |