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| Number | Title | Issue Date |
| 6970358 | Stack up assembly A first printed circuit board is built including one or more openings configured to correspond to heat-generating devices attached to a second printed circuit board. The first and second printed circuit boards are aligned with each other and a heat sink, such that t... | 11/29/2005 |
| 6947286 | Stack up assembly A first printed circuit board is built including one or more openings configured to correspond to heat-generating devices attached to a second printed circuit board. The first and second printed circuit boards are aligned with each other and a heat sink, such that t... | 09/20/2005 |
| 6935844 | Gas pressure driven fluid pump having magnetic valve control mechanism and method A gas pressure driven fluid pump comprising a pump tank having a liquid inlet and a liquid outlet. A float, carried within the interior of the pump tank, is operable to move between a low level position and a high level position. A snap-acting valve control mechanis... | 08/30/2005 |
| 6922340 | Stack up assembly A first printed circuit board is built including one or more openings configured to correspond to heat-generating devices attached to a second printed circuit board. The first and second printed circuit boards are aligned with each other and a heat sink, such that t... | 07/26/2005 |
| 6886589 | Float valve The float valve (11) controls water level e.g. in an associated plant pot. A housing (21) has a water inlet (25) with an inlet port (26), a float (31) able to rise and fall with the level of the water in the housing (21), a ... | 05/03/2005 |
| 6244828 | Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve A combination pump and trap is disclosed which includes a snap-over mechanism useful for small floats with little buoyancy. The snap-over mechanism has a geometry in which the distance between the float or compression arm pivot point and the pivot for the... | 06/12/2001 |
| 6123099 | Pinch tube tank level control valve with snap-action shutoff A liquid level control apparatus for a flush tank includes an upstanding fill tube integral at its upper end with a valve housing carrying a flexible resilient pinch tube valve member. The valve housing defines a conduit which communicates with a downward... | 09/26/2000 |
| 5934881 | Snap action float valve assembly with reversible plate spring for liquid feeding device A liquid forced-feed apparatus, such as a steam trap or pump-trap combination, simplified in construction by decreasing the number of component parts, and capable of switching a change-over valve smoothly with reduced buoyancy. A float, a change-over valv... | 08/10/1999 |
| 5896887 | Pinch tube tank level control valve with snap-action shutoff A liquid level control apparatus for a flush tank includes an upstanding fill tube integral at its upper end with a valve housing carrying a flexible resilient pinch tube valve member and a pivoting actuator engageable with the pinch tube for opening and ... | 04/27/1999 |
| 5894858 | Device for shutting off the feed or discharge pipe of a mobility separator There is described a device for shutting off the feed or discharge pipe (1) of a mobility separator, comprising a shutting flap (3) which in dependence on the position of a float (2) can be swivelled from an open position into a closed position about a ro... | 04/20/1999 |
| 5613835 | Flow control apparatus for a water powered sump pump A water powered sump pump has a flow control apparatus connected to a source of water under pressure and to a suction generator. Water from the flow control apparatus flows through a nozzle in the suction generator, creates a pressure drop, suck water in ... | 03/25/1997 |
| 5445501 | Snap action float valve assembly for liquid feeding device A device for feeding liquid under pressure comprises a vessel having an operating fluid inlet, an operating fluid outlet, an inlet opening for the liquid to be fed under pressure and an outlet opening for the liquid to be fed under pressure; a float dispo... | 08/29/1995 |
| 5230361 | Snap action toggle valve actuator assembly A snap action toggle valve actuator assembly for use in a fluid holding tank. Movement of a float or other movable actuating element causes pivotal movement of pivot arm, which compresses a spring. When the float element reaches a predetermined level, the... | 07/27/1993 |
| 3972650 | Sewage system A sewage system wherein a sewer line for delivering sewage to a discharge point and a compressed air line extend adjacent to each other. A pluraity of tanks at spaced points and serving to collect sewage from different sources are connected to the sewer l... | 08/03/1976 |
| 3960164 | Device for mixing gases with liquids A device for mixing gases with liquids is disclosed, which is characterized by the use of gas inlet and vent valves of unique construction and highly efficient in operation, and the use of a unique toggle mechanism for opening and closing said valves whic... | 06/01/1976 |
