Did You Know...
...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!
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| Number | Title | Issue Date |
| 7806142 | Combined relief valve and check valve A combination check valve and relief valve has a valve body with an inlet, an outlet, and a valve chamber operatively interposed between the inlet and outlet. A check valve may be integrated with the relief valve and therefore simplify a hydraulic system. The valve ... | 10/05/2010 |
| 7111818 | Safety valve A safety valve comprises a pressure receiving hole (20), an actuation chamber (21), a discharging hole (22) and an alloy accommodating chamber (25). An alloy (27) of a low-temperature melting point is accommodated within the alloy ... | 09/26/2006 |
| 7004187 | Line pressure diverter apparatus A line pressure diverter for placement between a rupture line and a rupture disc associated with a reactor. The line pressure diverter comprising a first passage, a second passage, a vacuum breaker and a check valve. The first passage being positioned to be in fluid... | 02/28/2006 |
| 6880572 | Exhaust gas control valve, apparatus and method of controlling exhaust gas flow The present invention is directed to an exhaust gas control (EGC) valve. The EGC valve comprises a valve housing having at least one inlet port, at least one outlet port, and a flow channel having a centerline extending between the ports. A valve seat is adjacent an... | 04/19/2005 |
| 6085791 | Close-off and connecting unit for hydromassage orifices The present invention is a device which includes a connecting coupling for connection with hydromassage water circulation pipes, the connecting coupling having first coupling portion with a first aperture connected with an inlet of a hydromassage orifice,... | 07/11/2000 |
| 6032693 | Solenoid valve assembly for controlling gas supply A solenoid valve assembly for controlling gas supply includes a lower cover formed with a first chamber at an end thereof, a second chamber located adjacent to and communicating with the first chamber, a third chamber located adjacent to the second chambe... | 03/07/2000 |
| 5934994 | Damper apparatus including plenum and multiple damper blades Damper apparatus includes a housing and dividers in the interior of the housing. One of the dividers forms a plenum and two openings leading from the plenum to an air flow outlet of the housing. Separate damper blades control air flow through the openings... | 08/10/1999 |
| 5840155 | Blower arrangement for detaching a metallized belt from a sheet and for providing a braking force on a sheet in a platen press A blower arrangement for detachment of a metallized belt from a sheet and for creating a braking force on a sheet, which belt and sheet are situated between platens of a press in a machine for printing sheet elements which comprises a bar arrangement near... | 11/24/1998 |
| 5785072 | Compressed stopper channel bypass pipe burst pressure relief apparatus for plumbing fixtures According to the present invention, water regulation assemblies disposed in the water supply path of conventional fixtures are modified to include a pressure relief assembly which permits release of water under elevated pressures. A shut-off seal of a fix... | 07/28/1998 |
| 5738145 | Valve assembly for gas cylinder A gas inlet (4) an inlet passage (8), a stop valve (7), an outlet passage (9) and a gas outlet (5) are communicated orderly with one another within a valve casing (3). The outlet passage (9) is communicated with the inlet passage (8) through a gas chargin... | 04/14/1998 |
| 5711508 | Quick connect fluid coupling equipped with check valve and service valve A quick connect fluid coupling equipped with a check valve and a service valve includes a housing that has a primary passage and an auxiliary passage arranged in a T-shape construction. The primary passage is provided with a check valve and an outlet end ... | 01/27/1998 |
| 5647393 | Single-point armature An inner body 3 of a single lever faucet contains channels 29 for cold and hot water, and carries a mixing valve 11 with an operating lever 1. The inner body fits within a casing 2, and is equipped with a quick coupling 16 on the discharge nozzle side. At... | 07/15/1997 |
| 5437307 | Intake bypass valve An intake bypass valve comprising a primary tubular member, the member having a cavity at its central extent for the receipt of a spherical ball; a secondary tubular member coupled to the primary member, the secondary member adapted to direct the fluid fr... | 08/01/1995 |
| 5379801 | Exhaust directing valve mechanism for a vehicle Exhaust directing mechanisms are useful for directing exhaust gas flow from an inlet to either a vehicle dump body or a muffler means. A valve mechanism for a vehicle includes a valve body having a valving element mounted within the valve body and being r... | 01/10/1995 |
| 5280882 | Electromagnetic valve A multiple electromagnetic valve comprises a yoke and a port structure held by the yoke. The structure has therein a chamber from which two passages extend to the outside. Two electromagnets are mounted on the yoke, and two armatures for use with the elec... | 01/25/1994 |
| 5193586 | Grain chute valve A grain chute valve providing an enclosed valve member which will avoid leakage of grain between the valve member and the walls of the valve. Either two-way or three-way valves can be produced using the enclosed valve member of the invention.... | 03/16/1993 |
| 4998836 | Venturi line operated soap brush The present invention provides a shower brush and liquid soap dispenser combination for use in a shower. The soap dispenser has an inlet end which is connectable to the main water supply of the shower and an outlet end which is connectable to the brush. T... | 03/12/1991 |
| 4616677 | Manifold fitting for a compressed air tank A manifold fitting for a compressed air tank having an elongate main body with a passage therethrough from one end to the other. The main body has an end portion at one end of the passage adapted for attachment of the fitting to a tank and a second end po... | 10/14/1986 |
| 4598685 | Fuel pumping apparatus A fuel pumping apparatus for supplying fuel to an internal combustion engine includes a valve means operable to control the spillage of fuel from a high pressure pump. The valve means includes first and second valve elements connected by a pivotal beam ca... | 07/08/1986 |
| 4425941 | Valve construction having multiple piston means and method of making the same A valve construction having a housing provided with a chamber and ports leading to the chamber and having an axially movable piston unit disposed in the chamber to interconnect certain of the ports together in relation to the axial position of the piston ... | 01/17/1984 |
| 4192349 | Air conditioning valve A valve consisting of a rotating flapper type valve which covers an inlet d outlet opening in a missile base and being held open by the insertion of an inlet fitting of a supply duct into the valve for supplying conditioned air into a missile and the valv... | 03/11/1980 |
| 4143677 | Exhaust system for vehicle An exhaust system for a vehicle includes a valve including a valving element movable to a first position upon movement of a portion of the vehicle body to a raised position, whereby exhaust from the vehicle engine is directed to a muffler, while with the ... | 03/13/1979 |
| 4002370 | Valve assembly for exhaust system A valve assembly for an exhaust system of a dump vehicle having a chassis supporting an operator's cab and a pivoted material-handling body. The valve assembly is carried by the chassis and adapted to direct exhaust gases upwardly into the hollow interior... | 01/11/1977 |
| 3982562 | Pressure control apparatus An electrically-operated pressure control apparatus is adapted to perform switching and actuating functions and is capable of operating in response to high pressure or in response to an absence of pressure, that is, a vacuum. The apparatus includes: a fir... | 09/28/1976 |
| 3974861 | Air flow direction control valves An improved air flow direction control valve particularly adapted for use with an exhaust gas purifying system on an internal combustion engine to control the direction of flow of air to be mixed into exhaust gas for effecting additional combustion of the... | 08/17/1976 |
