Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7568499 | Fuel check valve A fuel check valve that includes: a pipe having a fuel outflow port; a valve element attached in an openable and closable manner to the fuel outflow port of the pipe, the valve element being normally urged by a spring in a closing direction; a support shaft disposed... | 08/04/2009 |
| 7426979 | Exhaust gas control valve An exhaust gas control valve includes a valve seat, a valve plate having a first exhaust gas pressure receiving area corresponding to an opening area and a second exhaust gas pressure receiving area larger than the first area; and a spring for closing the valve. In ... | 09/23/2008 |
| 7310942 | Exhaust passage control valve Exhaust passage control valve 10 may comprise housing 30, valve member 20, and helical torsion spring 40. Housing 30 has an exhaust passage. Exhaust gas from an internal combustion engine flows through the exhaust passage of the ho... | 12/25/2007 |
| 7240378 | Flange valve A flange valve to deter entry of rodents and pests, insertable on existing devices, comprising a unidirectional swinging door attached on an inner wall of a frame, the door and the inner wall of the frame having a clearance between them of a dimension not allowing e... | 07/10/2007 |
| 7147001 | Fuel-transfer system A fuel-transfer system is provided for a fuel system of a vehicle. The fuel-transfer system includes a filler neck and a fuel tank having top and bottom walls. The fuel-transfer system includes a tube and a fuel conductor. The fuel conductor includes a housing and a... | 12/12/2006 |
| 7082964 | Attachment structure of a component in a fuel tank made of resin In order to solve the problem of a conventional attachment structure of a fuel tank made of resin, the present invention is an attachment structure of a component of a fuel tank made of resin where a connection portion with a tank main body made of resin is formed o... | 08/01/2006 |
| 6932100 | Flapper type fill tube check valve A flapper valve for push-in snap-lock attachment to a spud to be welded to a fuel tank and attached to a flexible filler tube hose. The flapper has an annular flexible seal overmolded thereon, preferably of elastomeric material. The flapper has a pair of trunnions, ... | 08/23/2005 |
| 6901954 | Safety relief valve A safety relief valve is provided for use in association with a liquid storage tank. The safety relief valve generally includes a valve base, a valve seal plate, a hinge mechanism and a lever mechanism. The valve seal plate is pivotally coupled to the valve base by ... | 06/07/2005 |
| 6834678 | Pump valve A one-way fluid valve member (10) to be mounted on a valve (12) body having a valve opening (18) surrounded by a valve seat (16). The valve member (10) includes,: a valve closure part (14) to be movably mounted on the body (... | 12/28/2004 |
| 6792973 | Gas tight shut off valve for a material charging or discharging lock A gas tight shut-off valve for a material charging or discharging lock includes a valve closing element that is movable relative to a valve a seat, between a first position which the valve closing element and the annular valve seat can be axially pressed together, a... | 09/21/2004 |
| 6736160 | Valve structure for engine exhaust system A support member 10 having a tubular portion 11 is joined at an end portion of a muffler pipe 1. The support member 10 forms a flange 12 as a valve seat and a support bracket 14. The support bracket 14 has a valve dis... | 05/18/2004 |
| 6637449 | Pressure sensible valve for exhaust muffler and method of assembling same A valve seat structure is secured to an outlet end of a passing pipe installed in an exhaust muffler. The valve seat structure includes a flat seat surface portion which extends around the outlet end of the passing pipe. A valve plate structure is pivotal... | 10/28/2003 |
| 6581721 | Valve for a control muffler A valve for a control muffler includes: a valve element which is swingably journaled on a support shaft 5 supported by shaft holes 41a of a pair of first shaft supporting portions 41 inside the support shaft 5; bushes 6 which are respectively interposed b... | 06/24/2003 |
| 6527006 | Exhaust valve assembly An exhaust valve assembly for controlling the flow of exhaust comprising a hollow elongated member, desirably in the form of an exhaust pipe or component thereof, having an open end, a flap associated with the open end and a spring having two ends. The fl... | 03/04/2003 |
| 6474365 | Overflow drain outlet cover system A system for covering drain pipe outlets, particularly, as they exit a building. The system includes a band that is tightened around the exterior of a pipe as it protrudes through the side of a building. Attached to the band is a hinged cover which is siz... | 11/05/2002 |
| 6264452 | Reinforcement pin for check valve A scroll compressor has a check valve plate assembly with a reinforcing device to increase the strength of the check valve plate. The check valve plate is stamped from a relatively thin steel reed material. Notched areas are provided during stamping to en... | 07/24/2001 |
| 6240957 | Backward flow prevention valve A back flow preventing valve is formed of a valve main body and a valve member. The valve main body includes a fluid inlet at one side, a fluid outlet at the other side having a valve seat at an end surface thereof, a flange extending outwardly from an ou... | 06/05/2001 |
| 6234195 | Check valve for fuel tank fill pipe A one-piece check valve is provided for a fuel filler pipe connected to a vehicle fuel tank to provide a fuel filling passage communicated to the fuel tank. The check valve comprises a thin sheet of material shaped to comprise a mounting portion, a flappe... | 05/22/2001 |
| 6109297 | Directional drain valve A drain valve according to this invention comprises a mount, a peripheral flange, and a plate-like valve closure hinged to the mount. The valve closure includes a diverter which directs flow in a direction away from the hinged edge when the valve is open.... | 08/29/2000 |
| 6089261 | Drain valve with counterweight A drain system includes a drainpipe and a valve. The valve includes a first and second body and a counterweight assembly. The first body has a passage formed therethrough and is fluidically coupled to the drainpipe. The second body is pivotally coupled to... | 07/18/2000 |
| 6050284 | RV generator auxiliary exhaust system method An auxiliary exhaust system is provided for releasable attachment to internal combustion engines as are used on electrical generators of recreational vehicles or the like. The auxiliary exhaust system is easy to assemble and disassemble and directs combus... | 04/18/2000 |
| 5921862 | Air flow reversal prevention door assembly An air flow reversal prevention door is mounted to a discharge opening of a ventilation fan. The door includes a frame member with a void in it to permit air flow to pass through the frame and is attached fixedly to a shaft which supports the door and is ... | 07/13/1999 |
| 5918858 | Undulating transverse interface for curved flapper seal The invention relates to a pair of matched surfaces usable in sealing a downhole subsurface safety valve. The continuous seat and the matching flapper profile feature a surface that is around its periphery transverse to the longitudinal axis of the seat a... | 07/06/1999 |
| 5909748 | Pressure relief valve The present invention, a pressure relief valve includes a valve body having, a valve seat and a flap valve pivotally mounted on said valve body, wherein said flap valve sealably co-operates with said valve seat in a closed position thereby sealing off sai... | 06/08/1999 |
| 5887615 | Check valve of fuel tank A check valve using a valve element (2) which is so constructed that the valve element comprises three members: a cover (4); an annular packing (5) and a pressing plate (6), the pressing plate (6) is provided with a snap fit claw (7), a flexible flange (1... | 03/30/1999 |
| 5839473 | RV generator auxiliary exhaust system and method An auxiliary exhaust system is provided for releasable attachment to internal combustion engines as are used on electrical generators of recreational vehicles or the like. The auxiliary exhaust system is easy to assemble and disassemble and directs combus... | 11/24/1998 |
| 5799578 | Printing press and liquid supply A printing press including a device for feeding a viscous fluid, such as a lacquer or varnish. The viscous fluid, such as a lacquer or varnish, can be taken from a cartridge and be distributed to a printed sheet or other suitable medium. In the manner of ... | 09/01/1998 |
| 5775357 | Fuel fill valve and vent valve assembly A composite relatively flexible resilient flap member has a movable flap and is formed of composite reinforcing fibers such as nylon, carbon or polyester impregnated with elastomeric flexible fuel resistant material. A rigid sheet member formed of composi... | 07/07/1998 |
| 5740834 | Reverse angle integrally counter-weighted trickle valve A trickle valve useful for removing solids from the bottom of a cyclone separator dipleg includes a valve seat and a reverse angle, integrally counter-weighted flapper plate pivotally mounted on the valve and closed against the valve seat which opens to r... | 04/21/1998 |
| 5709241 | Butterfly valve A butterfly valve adapted to be arranged in a pipe through which fluid can flow, the pipe having an axis and an outlet end, the valve comprising a valve shaft having an axis eccentric to the pipe axis, and a valve element integrally supported by the valve... | 01/20/1998 |
| 5685335 | Lamp processing machine A lamp processing machine for separating glass, powder and metal lamp components placed within the machine. The machine may include two generally cylindrical, concentrically mounted screens and a tube concentrically mounted between the screens. The screen... | 11/11/1997 |
| 5682921 | Undulating transverse interface for curved flapper seal The invention relates to a pair of matched surfaces usable in sealing a downhole subsurface safety valve. The continuous seat and the matching flapper profile feature a surface that is around its periphery transverse to the longitudinal axis of the seat a... | 11/04/1997 |
| 5428907 | Downcomer and flapper valve A downcomer including a tubular member oriented vertically and extending downwardly from a fluidized grid and including a lower portion provided with an inclined opening formed at a first angle with respect to the tubular member, and a flapper valve inclu... | 07/04/1995 |
| 5397314 | Surgical cannula with ball valve This invention relates to a surgical cannula that has a simple ball valve assembly comprising a ball, rotatably mounted on an axle extending between opposing legs of a pivotable yoke, which engages a seat to seal the instrument inlet to the cannula passag... | 03/14/1995 |
| 5398314 | Apparatus for creating operation data concerning operating device An apparatus for creating operation data with which a computer operates a machine tool, a measuring machine, or the like. The apparatus has a display unit, an input unit, a storage unit, an output unit, and a processing unit. The storage unit comprises a ... | 03/14/1995 |
| 5327933 | Check valve of fuel tank This invention relates to a check valve of a fuel tank which is provided in an end portion of a fuel supply pipe for introducing fuel to the fuel tank, which end portion is located inside of the tank. The check valve comprises a valve plate which is large... | 07/12/1994 |
| 5301475 | Fire stop device A fire stop device adapted to close an opening in a wall or floor having a plastic pipe extending through the opening when the pipe is destroyed by fire which comprises a base plate surrounding the opening having a collar projecting at right angles and at... | 04/12/1994 |
| 5215117 | Double-check filler valve A double-check valve assembly including a single valve body which is threadingly insertable within a filler opening of a storage tank. Specifically, the check valve includes an upper check valve, a lower check valve and a free floating valve guide includi... | 06/01/1993 |
| 5193578 | Irrigation line drain valve The invention is an automatic drain valve for irrigation pipelines. The valve is located at the end of the pipe, and comprises a pivoted, spring lever attached to the outside of the pipe and attached to a valve stem and seat.... | 03/16/1993 |
| 5046408 | Hooded exhaust vent An air venting apparatus for use with air discharging blowers, fans, including an air outlet duct and flap valve which pivots at top of a hood. The flap valve closes the outlet end of the duct by gravity. One leaf spring clip which acts on the valve flap ... | 09/10/1991 |
