Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 7377456 | Water flow control structure of a water gun The water flow control structure of a water gun includes a movable control tube, stepwise positioning unit, oblique guide and resilient component. When the control tube is moved by the control component, it is turned by the oblique guide and stepwise positioning uni... | 05/27/2008 |
| 6904927 | Diverter assembly with integral water-hammer arrestor A faucet diverter assembly for dampening a pressure spike includes a body and a diverter bonnet assembled into the body defining a flow passageway therebetween. A diverter portion is assembled into the diverter bonnet and is axially movable by the use of an extender... | 06/14/2005 |
| 6484823 | Rock drill bit and a check valve therefor A rock-crushing rotary drill bit includes a body having a rock-crushing roller rotatably mounted thereon by bearings. The body includes a first flushing channel for conducting flushing fluid to flush the bearings, and a second flushing channel for dischar... | 11/26/2002 |
| 5244181 | High flow internal emergency valve A high flow emergency valve contained within an interior of a storage tank having an opening and a valve seat about the opening including a housing member for sealing and unsealing the valve seat, a push rod member for engagement with and activation of th... | 09/14/1993 |
| 4927115 | Valve for a hand held spray nozzle A hand held spray nozzle (10) for a kitchen faucet has a valve housing (12) with an elongated passage (20) and a valve seat (28). A valve element (36) has a frusto-conical elastomeric sleeve (40) engageable to the valve seat (36) and has a camming surface... | 05/22/1990 |
| 4903944 | Valve assembly and method A valve assembly for use with a fluid-driven tool having an elongated conduit with a bore communicating with the source of fluid, and an elongated valve member received in the bore. The valve assembly has a ball received in a chamber defining a valve seat... | 02/27/1990 |
| 4538640 | Multiposition selector valve A multiposition selector valve of the rotary type includes a valve body having a single inlet port and a plurality of outlet ports. Fluid communication between the inlet port and any one of the outlet ports is provided via a check valve assembly mounted o... | 09/03/1985 |
| 4524945 | Pressure-fluid operated limit switch A pressure fluid operated limit switch, particularly for a device for controlling an adjusting element in dependence upon a control value and a reference value. The limit switch includes a housing formed with a recess in which a spring-biased valve member... | 06/25/1985 |
| 4453698 | Stuffing box with O-ring detent for control mechanism of emergency valve A stuffing box for use in a control for an emergency valve for controlling discharge from a liquid storage tank, such as a gasoline storage tank, with the tank having an outlet port with a conduit member coacting with the port in depending relation theref... | 06/12/1984 |
| 4399930 | Foam dispensing gun A foam dispensing gun of the type having a disposable nozzle for mixing and dispensing separate fluid components of a resin system. The nozzle is retained on the gun by a sliding breech which also pivotally supports a valve actuating trigger to be in an o... | 08/23/1983 |
| 4311254 | Foam dispensing gun A foam dispensing gun of the type having a disposable nozzle for mixing and dispensing separate fluid components of a resin system. The nozzle is retained on the gun by a sliding breech which also pivotally supports a valve actuating trigger to be in an o... | 01/19/1982 |
