Quotables
"I think there is a world market for maybe five computers."
Thomas Watson, chairman of IBM ; 1943
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7665482 | Float control fluid shut off valve mechanism A mechanism for opening or closing a shut off valve, the mechanism having a lever mounted on a spindle to which the valve is attached for mounting the valve from a normally open position to a closed position. A trigger mechanism including the lever and a biasing spr... | 02/23/2010 |
| 6837256 | Filler tube mounted fuel tank refueling valve A spring loaded valve member with a poppet on one end is disposed in a fuel tank with the inlet end connected to the filler tube. The valve member has a spool valve attached to the poppet. The poppet is opened by fuel discharging from a refueling nozzle and the valv... | 01/04/2005 |
| 6808370 | Gas pressure driven tank fluid pump having float and snap-acting rotary valve 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 is operatively c... | 10/26/2004 |
| 6499503 | Backflow valve A backflow valve has a closure gate that is pivotally mounted for movement between an open position in which the closure gate is positioned on a plane substantially parallel to a longitudinal axis of a flow passage and a closed position in which the closu... | 12/31/2002 |
| 6446665 | Backwater valve A backwater valve includes a body having a flow passage extending therethrough with an inlet side and an outlet side. A closure gate is pivotally mounted within the body above the inlet side of the flow passage. The closure gate has an open position above... | 09/10/2002 |
| 6318404 | Backflow valve A backflow valve which includes a closure gate pivotally mounted along a substantially vertical pivot axis to one of the opposed sides of the valve body. A closure gate engaging profile positioned in a bottom of the valve body locks the closure gate in th... | 11/20/2001 |
| 5518024 | Overfill prevention device for storage tanks An overfill prevention device for storage tanks includes an elongate tubular housing having a liquid flow passageway. A normally open main valve and a normally closed vapor retaining bleed valve are associated with the fluid passageway. Closure of the mai... | 05/21/1996 |
| 5442820 | Toilet tank flushing mechanism A toilet tank flushing mechanism is disclosed. The toilet tank flushing mechanism comprises a ballcock mounted within the toilet tank for selectively permitting water from an external source to enter the tank. The ballcock includes a mounting plate secure... | 08/22/1995 |
| 5031250 | Mechanism for filling and discharging a toilet water tank The mechanism comprises an inlet valve assembly which admits water into a toilet tank under the control of a valve plug mounted on the end of a vertical axle having a float on its upper end. The valve plug is unseated, to admit water, when the axle is til... | 07/16/1991 |
| 4965891 | Safety latch for a toilet tank valve A tank valve for a toilet tank is controlled by an axially vertically movable float. A releasable latch holds the float in an upper position which closes the tank valve to flow, and prevents opening of the valve to flow except when an intended mechanical ... | 10/30/1990 |
| 4791689 | Mechanism for filling and discharging a toilet tank Apparatus for filling a toilet tank with water and discharging the water therefrom has a valve base for supplying water to the toilet tank. A valve is in a hollow passage of the valve base for closing the hollow passage to the supply of water when pulled ... | 12/20/1988 |
