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| Number | Title | Issue Date |
| 7484531 | Middle ear pressure equalizing device with improved pressure control An apparatus for equalizing pressure in a middle ear includes a hand-held air source for providing a continuous flow of air at a predetermined rate and a tapered sealing nostril plug adapted to be sealed against a nostril. The tapered nostril plug has a channel ther... | 02/03/2009 |
| 7320577 | Dual pump transmission A dual pump apparatus for use on a vehicle or industrial application having a housing in which a pair of hydraulic pumps are mounted, having a cooling fan mounted on the primary or secondary input shaft on the opposite side of the pulley used to engage the prime mov... | 01/22/2008 |
| 7222765 | Fuel cell adapter for a latch An insert seal for an adapter connectable to a fuel cell which is engageable upon a combustion tool fuel metering valve, the fuel cell having a stem and the metering valve having a nipple, includes a body defining a central passageway and having a first end sealable... | 05/29/2007 |
| 7198060 | Pressure relieving coupler manifold with internal velocity fuse A decompression valve assembly is normally open thereby allowing thermal pressure build-up in an auxiliary circuit to be dissipated via a bleed path. During operation, the bleed path is sealed by a check valve, whereby high pressure flow can be fully directed to the... | 04/03/2007 |
| 7077632 | Blower having a blower tube incorporating a reduction device for reducing the clear flow cross section of said blower tube at idle operation A blower (1) has a housing (10) to which a blower pipe (2) may be removably connected. An internal combustion engine located within the housing (10) drives a blower wheel. The blower wheel, in turn, generates an air flow (11) withi... | 07/18/2006 |
| 7004120 | Opposed piston engine A four-stroke opposed piston engine includes a rotating cylinder with a circumference and an aperture defined through the circumference, first and second opposing pistons, optional first and second opposing cylindrical spacers, first and second opposing piston caps,... | 02/28/2006 |
| 6938810 | Fuel cell adapter system for combustion tools An insert seal for an adapter connectable to a fuel cell which is engageable upon a combustion tool fuel metering valve, the fuel cell having a stem and the metering valve having a nipple, includes a body defining a central passageway and having a first end sealable... | 09/06/2005 |
| 6742543 | Method and apparatus for reducing operating costs and emissions in a pumping installation A method and apparatus for reducing operating costs and emissions in a pumping installation. A first step involves providing a flow dividing apparatus capable of dividing flow from a pump. The apparatus has a single inlet and two or more outlets. A second step invol... | 06/01/2004 |
| 5810115 | Pressure bypass accessory for a series progressive divider valve In a series progressive divider valve having a number of identical valve units disposed adjacent to each other, each formed by a base member and a spool member having a movable spool therein, a manifold in the form of a plate which can be inserted between... | 09/22/1998 |
| 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 |
| 5551473 | Thermal expansion relief valve A fluid flow control valve, e.g. a pressure vacuum breaker, includes a thermal expansion relief valve for protecting the control valve against damage due to freezing. The control valve has a valve body of rigid material and defines a main conduit. The the... | 09/03/1996 |
| 5299592 | High pressure relief system An electrically operated valve assembly having a plastic body with a solenoid coil attached for moving an armature valve member for effecting flow from the vale inlet to outlet. In one embodiment the armature is a pilot valve slidably movable in a guide o... | 04/05/1994 |
| 5085249 | Valve for a vascular dilating device An improved valve for use in angioplasty comprising a cup shaped body having a piston adapted to slide into a first and second position therein. A passage and a plurality of chambers and openings are formed within the piston. The piston is biased in a fir... | 02/04/1992 |
| 4865079 | High pressure hydraulic flow control valve A high pressure hydraulic flow control valve is formed with a spool which is capable of operating as a conventional spool to control the flow of fluid from an input port to an output port or to a return port. The spool also provides overload protection wh... | 09/12/1989 |
| 4825909 | High pressure hydraulic flow control valve A high pressure hydraulic flow control valve is formed with a spool which is capable of operating as a conventional spool to control the flow of fluid from an input port to an output port or to a return port. The spool also provides overload protection wh... | 05/02/1989 |
| 4723575 | Solenoid valve First and second outlet ports are connected to an inlet port. A first valve member selectively blocks and unblocks the first outlet port. A second valve member selectively blocks and unblocks the second outlet port. A first device urges the first valve me... | 02/09/1988 |
| 4630527 | Electro-hydraulic height corrector for motor vehicles An electro-hydraulic height corrector for motor vehicles comprising a hydraulic distributor having ducts connected, one to a pressurized supply source, another to suspension cylinders and another to an exhaust circuit, and means for connecting these diffe... | 12/23/1986 |
| 4627465 | Color changer A modular color changer provides selected paint colors for spraying and continuously recirculates both selected and non-selected colors. A module is provided for each color to be selected and includes supply and return manifold blocks defining, respective... | 12/09/1986 |
| 4453569 | Check valve with inspection means A check valve incorporating inspection valve means therein for disclosing the presence or absence of fluid on the "upstream" side of the valve.... | 06/12/1984 |
| 4281681 | Diverter attachment for water-powered appliance The disclosure is directed to a diverter coupling, for use in connection with a water-powered appliance, for coupling the appliance to a water outlet, typically a standard household faucet. The diverter coupling is constructed predominantly of molded plas... | 08/04/1981 |
| 4258749 | Dual solenoid vacuum modulator A dual solenoid pneumatic pressure control valve having two oppositely acting solenoids, each solenoid containing a valve means responsive to solenoid activation signals for controllably opening one of a plurality of pressure communication conduits dispos... | 03/31/1981 |
| 4011888 | Unitary elevator up level control valve A hydraulic valve assembly for operating a hydraulic elevator is simplified in its construction by positioning the check valve for the up level control in axial alignment with the bypass valve in the same valve housing mutually guided on a central valve s... | 03/15/1977 |
| 3948045 | Air control valve An air control valve for directing the flow of air from an internal combustion engine driven pump and including differential pressure actuating means includes a pilot valve responsive to engine induction vacuum level to provide induction vacuum, atmospher... | 04/06/1976 |
