Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7900889 | Valve-actuator connection plate The invention relates to a connection plate between the body of a valve for hydraulic or pneumatic circuits and an actuator suitable to control the rotation of the valve stem, the valve body being provided with pawls for the stem rotations. This plate comprises a sh... | 03/08/2011 |
| 7318814 | Medical suction valve A valve assembly includes a housing defining an aperture, a passageway, and a branch passage. The branch passage extends from the aperture and intersects and communicates with the passageway. The branch passage is disposed at an angle greater than 90 degrees with re... | 01/15/2008 |
| 7219877 | Continuous catalyst extraction valve with line cleaning feature A ball valve apparatus 10 for clearing an obstruction in a conduit is disclosed. The ball valve apparatus 10 incorporates a wear resistant choke tube 42 in the downstream opening 40B of the ball 36. The choke tube 42 can be ... | 05/22/2007 |
| 6923430 | Valve A valve which intended to control the flow of a fluid, for example a gas, comprises a valve body (50), an internal member for opening and shutting-off the passage of the gases, an operating handwheel (56) connected to the opening and shut-off member, a... | 08/02/2005 |
| 6834675 | Integrated multipurpose caged valve An integrated multipurpose valve is a valve in which more than one type of valves are integrated in a cage held permanently in the pipeline, and the valve as a while can perform multiple functions which allow it to be a shut off valve, a pressure reducing valve, a p... | 12/28/2004 |
| 6505647 | Four-way selector valve The four-way selector valve relating to the invention basically comprises a motor which has a stator and a rotor, a case, and a main body including a main valve and a valve seat, both of which are arranged in a valve chest within the case. The valve seat ... | 01/14/2003 |
| 6497250 | Multi passage valve A multi-port valve has a housing, a flow plug and a stop. The housing defines a valve cavity and has at least three ports. The flow plug is positionable within the valve cavity between a first position, wherein the flow plug is adapted to prevent flow thr... | 12/24/2002 |
| 6363969 | Cartridge for a single-handle mixer faucet The invention relates to a cartridge for a single lever mixer faucet comprising a fixed (4) and a moveable sealing washer (3) which are arranged in a housing (1), whereby the movable sealing washer (3) comprises a recess (15) for engaging with a control t... | 04/02/2002 |
| 6260820 | Valve with rotatable valve member and method for forming same A method of producing a valve includes the steps of: providing a mold comprising a pair of mating mold halves, with each of the mold halves including a mold cavity; providing a valve member-stem unit comprising a valve member of substantially circular cro... | 07/17/2001 |
| 6164328 | Three position retaining valve A three position retaining valve wherein a slide in a rotating valve element has a seal which controls the connection of the inlet to the outlet for only one of three passages in the valve element. Preferably, the body, handle, valve element and slide are... | 12/26/2000 |
| 5941272 | Three way universal valve A valve assembly for inflatable bladders, including beds, balls, toys, and other inflatable objects includes a locking mechanism within the valve for releasably holding the valve opened. The valve acts in three distinct ways. In a first way the valve is c... | 08/24/1999 |
| 5902294 | Valve for urine drainage applications A valve for urine drainage applications has a valve housing for attachment to a urine receptacle and a valve member rotatable within the valve housing between an open position, in which liquid can flow from the receptacle along an angled path from the inl... | 05/11/1999 |
| 5881999 | Water shutoff valve assembly A valve assembly includes a driven shaft rotatably mounted in a housing and including a first end portion extending outward from a first end portion of the housing and a second end portion received in the housing, and a passage defined through the driven ... | 03/16/1999 |
| 5685339 | Hot/cold water flowrate control device A hot/cold water flowrate control device, including a casing having a cold water inlet and a hot water inlet respectively connected a hot/cold water supply system and defining a ball socket, a hollow ball cap fixed to the casing, a ball valve mounted in t... | 11/11/1997 |
| 5681025 | Motor operated butterfly valve with a multi-function seal A fluid valve has a housing formed by first and second halves which combine at mating surfaces to form a cavity with an inlet in the first half and an outlet in the second half. The mating surface of each half includes a notch extending between an outer e... | 10/28/1997 |
| 5507314 | Mixer valve having a ball valve element A ball type mixer valve (20) has a housing (25) and a ball valve element (11) mounted for pivotable motion about a longitudinal axis (A) of the housing (25) and a second perpendicular axis (B) that is fixed with respect to the ball valve element (11). The... | 04/16/1996 |
| 5492145 | Anti-syphon fluid control valve apparatus and method An anti-syphon valve comprises a base pipe having inlet and outlet legs and a valve seat, disposed at the top of the base pipe within a valve stem post, which can be rotated selectively to block the inlet leg (closed position) or open it (open position). ... | 02/20/1996 |
| 5469889 | Mixing valve with a collared ball valve A mixing valve for a faucet has a ball valve (16) mounted for pivotable motion about a longitudinal axis (76) and a second perpendicular axis (86) that is fixed with respect to the pin (84) that extends through the spherical section (42) of the ball valve... | 11/28/1995 |
| 5392812 | Offset hinge flapper valve An offset hinge flapper valve has a single valve plate rotatably mounted in the flow channel of a cast housing. The valve plate is freely rotatable about a pivot pin welded to the housing. The valve plate has first and second co-planar parts extending on ... | 02/28/1995 |
| 5299777 | Valved drain plug apparatus A valved drain plug apparatus having a valve body with a bore extending therethrough and an opening along a surface extending into the bore, and an insert element rotatably mounted within the bore of the valve body. The insert element has a hole along one... | 04/05/1994 |
| 5249476 | Automatic selector device for multi-gear change-speed gearbox An automatic selector device for multi-gear change-speed gearbox includes a multi-way valve which can be driven into several valve positions each associated with one gear by a stepper motor whose operation depends on an electronic control unit. Each of th... | 10/05/1993 |
| 5115833 | Ground hydrant with ninety-degree water flow turn-off ball valve below frost line A ground hydrant includes an elongated hollow water flow pipe positioned from above the ground to below the frost line in the ground, a flow control valve, and a housing which mounts the flow control valve at a position below the frost line in the ground.... | 05/26/1992 |
| 4964431 | Butterfly valve apparatus and method A butterfly valve includes a duct defining a fluid flow path and a plate-like valve member pivotal in the duct to in one position open and close the latter. The valve member is pivotal to a second position spanning the duct and extending parallel to the f... | 10/23/1990 |
| 4927116 | Plug valve A quarter-turn, on-off plug valve having a valve body provided with a recess opening through a first portion of the body and closed at the opposite end by an integral portion of the body. A pair of stops are provided on a stem portion of the plug for accu... | 05/22/1990 |
| 4880029 | Drain valve A push-type, lightning-protected fuel tank drain valve has a non-conductive plastic poppet that cannot be pushed upwardly axially far enough to open its port until the poppet is first rotated about its axis.... | 11/14/1989 |
| 4825908 | Four-way valve Herein disclosed is a four-way valve for switching the cooling and heating modes of an air conditioner. The four-way valve includes: a first valve body of a cup shape having its closed wall formed with an outlet port and two circuit ports. A second valve ... | 05/02/1989 |
| 4809949 | Plug valve Plug-type angle valve comprising a valve body and a unitary valve plug formed of a plastic material. The valve body has upper and lower trunnion seats and at least two fluid ports, one being a control port located at a position intermediate the trunnion s... | 03/07/1989 |
| 4776565 | Water faucet valve A water faucet valve is mounted within a faucet body, in which the faucet body is threaded together with a collar, and the water faucet valve is applied below a handle. The water faucet valve comprises a cap, a valve element and two O-rings. The cap has a... | 10/11/1988 |
| 4700736 | Faucet valve A faucet valve comprising a removable cartridge which snaps into place, a taper-shaped insert that keys into a valve body and which fits tightly into a tapered annular ring. The lower portion of the cartridge has an external stop spanning over 90 degrees ... | 10/20/1987 |
| 4678161 | Ball valve A ball valve in which the ball of the valve is positively prevented from blowing out of the valve body in both directions, even if the valve is connected in the wrong direction or the fluid pressure is applied to the valve in the opposite direction. The b... | 07/07/1987 |
| 4643216 | Frangible ball valve connector A ball valve connector of the frangible crashworthy type wherein two fluid flow connector body halves are interconnected by fracturable elements. Each body half includes a ball valve within a flow passage pivotally mounted on diametrically located pins. T... | 02/17/1987 |
| 4633906 | Mixing cartridge for hot and cold water faucets A self-contained, unitary mixing cartridge for use in hot and cold water faucets for manually selecting the mixture-proportions and flow-rates of water supplied from separate hot water and cold water inlets to a common outlet, comprises an outer housing, ... | 01/06/1987 |
| 4616676 | Two-way selector valve for a vehicle seat inflation device A two-way selector valve for a vehicle seat inflation device is disclosed. The selector valve includes a first input passageway connected between a source of pressurized air and a valve body chamber. The selector valve further includes second and third pa... | 10/14/1986 |
| 4607820 | Rotating gate valve A rotating gate valve for access to vacuum chambers, and the like, employs a rotating gate member which is alternatively aligned to cover or to uncover a slot in a concentric valve body, the ends of which are sealed and serve as supports for a shaft. Ecce... | 08/26/1986 |
| 4582293 | Hydraulically operated valves There is disclosed a ram type blowout preventer in which the chambers in which the rams are received and for movement between opened and closed positions are automatically vented to the bore of the preventer housing above the closed rams, as the rams are ... | 04/15/1986 |
| 4449692 | Drain construction for a radiator This invention is directed to a drain construction for a radiator (10) and is built generally as follows. A header (12) includes a drain area (16) which is used to drain fluid from the interior of the header when so desired. The drain area includes a firs... | 05/22/1984 |
| 4447039 | Bottom operable tank car valve having external rotation stop To provide a railway tank car mounting flange which does not extend more than one (1) inch below the tank bottom, fixed stops to prevent rotation of the valve closure during movement between open and closed positions, and fixed stops which determine the a... | 05/08/1984 |
| 4407483 | Butterfly valve A butterfly valve disk is rotatably mounted within a passageway formed in the valve body and an annular seal fitted in the valve body projects within the passageway. A peripheral annular bearing surface formed on the valve disk is applied against the annu... | 10/04/1983 |
| 4385746 | Four-way plug valve A rotary lift-turn type plug valve mechanism includes a valve body and bonnet structure defining a tapered valve chamber that receives a tapered plug member which is operated by linear and rotary components of movement to achieve valve operation. External... | 05/31/1983 |
| 4351355 | Drain valve A drain valve for use in a fuel tank and having a drain port and an axially movable poppet or valve member. The valve member has a first position for closing the port, a second position for opening the port to permit draining of liquid from the fuel tank,... | 09/28/1982 |
