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Class Information
Number: 251/14
Name: Valves and valve actuation > Fluid actuated or retarded > Fluid and non-fluid actuators
Description: Subject matter in which both a fluid actuator and an actuator other than one utilizing fluid are provided for alternative use.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7509972 |
Pneumatic valve with lockout |
Mar. 31, 2009 |
| 7458393 |
Control valve with integrated insert providing valve seat and plug guides |
Dec. 2, 2008 |
| 7448592 |
Poppet valve device and electronic controlled fuel injection apparatus equipped with the device |
Nov. 11, 2008 |
| 7410144 |
Pivot and bearing assembly for a manual valve operator |
Aug. 12, 2008 |
| 7401759 |
Single-effect submarine actuator for operating valves |
Jul. 22, 2008 |
| 7357105 |
Hydraulic valve driving device and engine including the same and vehicle |
Apr. 15, 2008 |
| 7306195 |
Anti-icing actuator assembly for pneumatic valve |
Dec. 11, 2007 |
| 7293575 |
Mechanical override for a valve actuator |
Nov. 13, 2007 |
| 7287739 |
Fast closing well choke |
Oct. 30, 2007 |
| 7273205 |
Positive pressure actuated aerator valve assembly |
Sep. 25, 2007 |
| 7264017 |
Dual-actuator aircraft environmental control system valve |
Sep. 4, 2007 |
| 7163194 |
Actuator for rotor valve |
Jan. 16, 2007 |
| 7070159 |
Vacuum regulating valve |
Jul. 4, 2006 |
| 7066202 |
Indicator-equipped flow regulating valve |
Jun. 27, 2006 |
| 7025325 |
Flow control valve |
Apr. 11, 2006 |
| 7014163 |
Pilot-controlled electromagnetic valve |
Mar. 21, 2006 |
| 7004445 |
Mechanical override for a valve actuator |
Feb. 28, 2006 |
| 6997433 |
Electronic valve actuator having vibration cancellation |
Feb. 14, 2006 |
| 6932315 |
Manual opening apparatus for a normally-closed valve |
Aug. 23, 2005 |
| 6923423 |
Small bore gate valve |
Aug. 2, 2005 |
| 6913034 |
Emergency shutdown valve actuator |
Jul. 5, 2005 |
| 6902143 |
Manual override assembly for pilot-operated valve |
Jun. 7, 2005 |
| 6886511 |
Lost motion assembly for a poppet valve of an internal combustion engine |
May. 3, 2005 |
| 6880803 |
Closure device for the fluid delivery line of a high-pressure cleaning apparatus |
Apr. 19, 2005 |
| 6871833 |
Disc drive shocking station with high speed spool valve actuation |
Mar. 29, 2005 |
| 6860464 |
Electromechanical/pneumatic rocket engine valve actuator |
Mar. 1, 2005 |
| 6854704 |
Valve actuator apparatus |
Feb. 15, 2005 |
| 6845960 |
Hydraulic and pneumatic operative diaphragm valve |
Jan. 25, 2005 |
| 6840279 |
Pneumatic switching valve for systems for lifting and lowering the body of vehicles including air suspension |
Jan. 11, 2005 |
| 6805158 |
Apparatus for visually checking the operational status of a stop valve, and a manual opening apparatus for a normally-closed valve |
Oct. 19, 2004 |
| 6732996 |
Gas cylinder valve |
May. 11, 2004 |
| 6722528 |
Rotary pneumatic actuator |
Apr. 20, 2004 |
| 6684897 |
Valve actuator and method |
Feb. 3, 2004 |
| 6659419 |
Hydraulic double acting valve actuator |
Dec. 9, 2003 |
| 6631880 |
Preventative stop valve system and method |
Oct. 14, 2003 |
| 6585230 |
Housing for an integrated pressure management apparatus |
Jul. 1, 2003 |
| 6575426 |
Valve system and method |
Jun. 10, 2003 |
| 6543471 |
Water heater fail safe apparatus |
Apr. 8, 2003 |
| 6513541 |
Vent valve |
Feb. 4, 2003 |
| 6510825 |
Internal combustion engine for motor vehicles and the like |
Jan. 28, 2003 |
| 6416032 |
Expansion valve of an air conditioning system in an automobile |
Jul. 9, 2002 |
| 6412750 |
Valve system for fluid pipes |
Jul. 2, 2002 |
| 6394412 |
Controlled valve |
May. 28, 2002 |
| 6352239 |
Gate valve actuator override mechanism |
Mar. 5, 2002 |
| 6315264 |
Fast-closing stepping actuator for a valve member |
Nov. 13, 2001 |
| 6227223 |
Valve and actuator in combination |
May. 8, 2001 |
| 6085770 |
Remote cylinder valve opener |
Jul. 11, 2000 |
| 6016838 |
Valve construction |
Jan. 25, 2000 |
| 6015599 |
High vertical aspect ratio thin film structures |
Jan. 18, 2000 |
| 5983919 |
Automatic drain valve |
Nov. 16, 1999 |
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