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| Number | Title | Issue Date |
| 7766033 | Multiplexed latching valves for microfluidic devices and processors Membrane valves and latching valve structures for microfluidic devices are provided. A demultiplexer can be used to address the latching valve structures. The membrane valves and latching valve structures may be used to form pneumatic logic circuits, including proce... | 08/03/2010 |
| 7143779 | Pedestal hydrant A fluid delivering hydrant providing a valve actuated assembly with enclosing shroud and water resistive doom handle assembly to protect the assembly from exposure to the weather while preventing entry of rainwater into a building structure upon the roof of which th... | 12/05/2006 |
| 6653245 | Method for liquid phase deposition A method for liquid phase deposition, including the steps of providing at least two raw materials from at least two supply devices of a saturation reaction system into a mixture trough and stirring until saturation occurs, filtering out unnecessary solid-... | 11/25/2003 |
| 6216722 | Freeze-resistant hydrant A freeze-resistant hydrant (10, 110) extending between a first area having a temperature at least intermittently below freezing and a second area having a temperature constantly above freezing including, a heat-transfer tube (20, 120), a first end (21, 12... | 04/17/2001 |
| 5685164 | Refrigeration unit A refrigerator unit provided with a control means comprising a plurality of valves, the control means comprising a unitary valve manifold made as a one piece casting having said valves operatively mounted thereon.... | 11/11/1997 |
| 4524262 | Electrically heated sewer vent line defroster A plastic sewer vent line extending through the roof of a building is provided with a defroster for preventing blockage of the vent line by freezing and the consequent back-up sewage gas into the building. The defroster is located above the roof and inclu... | 06/18/1985 |
| 4069409 | Electrically heated fluid coupling apparatus An electrically heated fluid coupling apparatus having an electrical resistance heating element positioned inside a hollow heating conduit which runs along the side of the fluid conduit, which conduit is connected at its lower end to the fluid source. Pos... | 01/17/1978 |
| 3932727 | Electrically heated riser pipe for a fluid supply system A prefabricated water supply system for supplying water from an underground source to mobile homes or stock tank waterers and the like includes a riser pipe encased within an outer pipe spaced from the riser pipe. A third hollow pipe is located adjacent t... | 01/13/1976 |
