|
|
|
| 1 |
8,262,057 |
Flow controlled actuator apparatus for use with self-closing stop valves
|
| 2 |
8,069,926 |
Method of controlling flow through a drill string using a valve positioned
therein
|
| 3 |
7,506,662 |
One-way fluid valve
|
| 4 |
7,464,722 |
Fluid proportioning valve
|
| 5 |
6,834,671 |
Check valve for micro electro mechanical structure devices
|
| 6 |
6,810,914 |
Method and arrangement to accomplish a one-way flow
|
| 7 |
6,748,971 |
Discharge valve assembly of fluid machinery
|
| 8 |
6,681,418 |
Water flow control device
|
| 9 |
6,546,954 |
Flow control valve
|
| 10 |
6,240,943 |
Method and apparatus for maintaining a constant ratio of gases in a mixture
subject to steady state and intermittent flow conditions
|
| 11 |
6,145,309 |
Method for controlling the steering volume flow of a hydraulic
power-assisted steering unit for motor vehicles
|
| 12 |
6,116,270 |
Piston valve
|
| 13 |
5,988,217 |
Shutoff-opening device
|
| 14 |
5,896,882 |
Pressure control valve
|
| 15 |
5,720,433 |
Draw back valve for a glue gun
|
| 16 |
5,691,753 |
Valving connector and ink handling system for thermal ink-jet printbar
|
| 17 |
5,636,661 |
Self-piloting check valve
|
| 18 |
5,553,756 |
Dispenser with pressure operated, spring biased, reciprocating piston
valve
|
| 19 |
5,479,988 |
Mud check valves in drilling apparatus (wells)
|
| 20 |
5,390,698 |
Plate-type, unidirectional-flow, fluid control valve
|
| 21 |
5,295,506 |
Flow control apparatus
|
| 22 |
5,161,571 |
Check valve
|
| 23 |
5,120,210 |
Core structure for producing closed end sleeve
|
| 24 |
5,107,885 |
Check valve
|
| 25 |
5,036,879 |
Pulsation dampener and flow check apparatus
|
| 26 |
4,922,955 |
Fluid flow control device
|
| 27 |
4,901,757 |
One way valve
|
| 28 |
4,776,838 |
Three stage valve
|
| 29 |
4,660,596 |
Inside B.O.P. valve
|
| 30 |
4,593,720 |
Filling nozzle valve structure
|
| 31 |
4,522,230 |
Orifice plate seal ring for controlled closure check valve
|
| 32 |
4,518,007 |
Automatic hot water recovery system
|
| 33 |
4,494,563 |
Fluid safety valve
|
| 34 |
4,489,750 |
Pressure operated pulsatile fluid flow device
|
| 35 |
4,458,717 |
Cylinder cushion seal
|
| 36 |
4,422,503 |
Control line blow out preventer
|
| 37 |
4,392,512 |
Relief valve
|
| 38 |
4,332,274 |
Disconnector for drinking water distribution system
|
| 39 |
4,291,722 |
Drill string safety and kill valve
|
| 40 |
4,286,573 |
Water heater heat trap assembly
|
| 41 |
4,282,896 |
Pilot operated check valve
|
| 42 |
4,263,936 |
Erosion resistant check valve assembly
|
| 43 |
4,256,137 |
Check valve
|
| 44 |
4,249,556 |
Isolating and backflow preventing valve assembly
|
| 45 |
4,241,756 |
Exhalation valve assembly
|
| 46 |
4,220,176 |
Methods and apparatus for controlling fluid flow
|
| 47 |
4,210,168 |
Pressure-responsive valve unit for a fluid container
|
| 48 |
4,182,355 |
Reflux valve
|
| 49 |
4,176,680 |
Check valve
|
| 50 |
4,159,722 |
Pressure regulator for endotracheal tube cuff or the like
|