...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7406984 | Fluid distribution device A fluid distribution device comprising a âTâ shaped body suitable for being connected to a fluid feeding tubing by an inlet and defining two water outlets and wherein inside the body there is provided a seat for a cartridge wherein there is arranged a gate axial... | 08/05/2008 |
| 7291194 | Intermittent mixer with low pressure drop A thermal mixer reduces the temperature of flue gas supplied to a fabric filter. Two spray dry absorbers are operable to cool flue gas. A housing of the mixer has first and second inlet passages for gas from the absorbers, an outlet passage for gas to the fabric fil... | 11/06/2007 |
| 6394136 | Fluidic control element A fluid control element comprises a housing, a control chamber (12) which is formed in the housing and into which at least two flow channels (16, 16') open, at least one sealing seat (14, 14') located in the control chamber (12) and associated with the fl... | 05/28/2002 |
| 5813436 | Faucet device A faucet device has a main body, a handle disposed on the main body, a positioning hole formed on the main body, an annular cushion disposed on the main body, a plunger inserted in the positioning hole, a valve seat covering the positioning hole, and a co... | 09/29/1998 |
| 5730359 | Applicator head for metered release of flowing media An applicator head for the metered release of flowing media, particularly hot-melt glues, cold glue paste, lubricants, paints, or similar substances, comprises a housing within which there is disposed a pivoting rocker having two oppositely disposed rocke... | 03/24/1998 |
| 5623965 | Low effort vacuum valve assembly with rotary actuator A rubber valve plate is sandwiched between a stator and a cover. Ports in the stator for coupling to a vacuum source and vacuum motors are aligned with poppets molded in the valve plate. A manifold in the plate joins regions surrounding the valves to coup... | 04/29/1997 |
| 5433248 | Switching valve In an elongate housing (12), a valve body (30) comprising two annular chambers (36) is mounted so that it can be displaced longitudinally, one each of which communicates with a connection neck of the housing (12) via a radial hole (28). In the neutral pos... | 07/18/1995 |
| 4826087 | Manipulative device A manipulative device capable of remote operation has a nozzle head having one or more nozzles adapted to eject a fluid stream having a component at right angles to the axis of the nozzle head. There is a flexible elongate hose for connecting the nozzle h... | 05/02/1989 |
| 4714090 | Mixing apparatus for gases An apparatus 1 for mixing first and second gases includes first and second valves 2, 3 each having a stem 14 the axial movement of which controls the flow of the gases through their respective valves. Each valve stem has one end engaging a control surface... | 12/22/1987 |
| 4681140 | Tub-shower diverter apparatus There is disclosed tub-shower diverter apparatus that includes a diverter chamber having a planar annular surface that is pierced by a first opening or openings to provide communication with an inlet water supply, and is further pierced by second and thir... | 07/21/1987 |
| 4550750 | Hydraulic fluid distributor A pressurized medium distributor device has a respective push rod valve been the common inlet and each outlet. The push rod valves can be opened against a spring force by operation of an actuating member so that pressure medium connection can be made bet... | 11/05/1985 |
| 4496463 | Duplex strainer A duplex strainer having a housing with an inlet port and a outlet port. st and second strainer chambers each have first and second ports which are in separate fluid communication with the housing. An efficient scotch yoke design coverts rotation of a fi... | 01/29/1985 |
| 4410428 | Duplex cam-operated pressure-balanced sleeve valve A duplex cam-operated pressure-balanced sleeve valve is provided for controlling fluid flow into either one or both of two fluid lines, such as to either one or both of two filter elements, comprising, in combination; (1) a valve housing; (2) first and second ... | 10/18/1983 |
| 4220270 | Flow control device for molten metal The invention provides a slide gate device for use on a pour vessel to control flow of molten metal through an outlet in the vessel shell, in which refractory insert plates, conveyed by supporting frames, are introducible into and removable from at least ... | 09/02/1980 |
| 4214643 | Automotive vehicle power steering system An automotive vehicle power steering system including a control valve mechanism having a reduced length longitudinally of the steering wheel shaft. An annular collar is fitted over the outer periphery of the rotor, over the end of the pin which connects t... | 07/29/1980 |
| 4005726 | Thermomagnetic valve A hot fluid is directed through a valved conduit inlet. Downstream of the inlet, the conduit divides into a pair of outlets through which the hot fluid flows. The flow through the outlets is controlled by a pair of vertically oriented valves linked togeth... | 02/01/1977 |