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Class Information
Number: 251/63.5
Name: Valves and valve actuation > Fluid actuated or retarded > Piston type expansible chamber reciprocating valve actuator > Coaxial actuator, seat and valve
Description: Subject matter in which the movable control member, the seat or port for such member, the cylinder of the expansible chamber device and the piston relatively movable therein are positioned and aligned along the same axis.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7445163 |
Suck back valve |
Nov. 4, 2008 |
| 7389969 |
Chemical liquid valve |
Jun. 24, 2008 |
| 7357152 |
Releasable non-return valve |
Apr. 15, 2008 |
| 7328881 |
Evacuating valve |
Feb. 12, 2008 |
| 7322557 |
Chemical liquid control valve |
Jan. 29, 2008 |
| 7311292 |
Sanitary diaphragm valve |
Dec. 25, 2007 |
| 7300035 |
Valve, actuator and control system therefor |
Nov. 27, 2007 |
| 7278441 |
Fluid controller |
Oct. 9, 2007 |
| 7255321 |
Pinch valve |
Aug. 14, 2007 |
| 7156267 |
Valve unit for filling machines |
Jan. 2, 2007 |
| 7150443 |
Control valve for nitrous oxide injection system |
Dec. 19, 2006 |
| 7143956 |
Suck back valve |
Dec. 5, 2006 |
| 7131629 |
Composite valve for gas supply system |
Nov. 7, 2006 |
| 7117886 |
Vacuum regulating valve |
Oct. 10, 2006 |
| 7108006 |
Subsea actuator assemblies and methods for extending the water depth capabilities of subsea actuator assemblies |
Sep. 19, 2006 |
| 7105061 |
Method and apparatus for sealing substrate load port in a high pressure reactor |
Sep. 12, 2006 |
| 7104282 |
Two stage solenoid control valve |
Sep. 12, 2006 |
| 7090190 |
Flow control valve |
Aug. 15, 2006 |
| 7070160 |
Diaphragm valves |
Jul. 4, 2006 |
| 7066202 |
Indicator-equipped flow regulating valve |
Jun. 27, 2006 |
| 7059579 |
Latching valve for a torque-transmitting mechanism in a transmission |
Jun. 13, 2006 |
| 7044433 |
Valve spring mechanism |
May. 16, 2006 |
| 7011295 |
Vacuum regulating valve |
Mar. 14, 2006 |
| 7011290 |
Pneumatically-controlled needle valve |
Mar. 14, 2006 |
| 6997439 |
Liquid filling valve |
Feb. 14, 2006 |
| 6991211 |
Pneumatically actuated valve |
Jan. 31, 2006 |
| 6983926 |
Valve arrangement for hydraulic consumer |
Jan. 10, 2006 |
| 6957659 |
Sliding disk valve for pneumatic conveyance of abrasive material |
Oct. 25, 2005 |
| 6948517 |
Two-way valve |
Sep. 27, 2005 |
| 6932315 |
Manual opening apparatus for a normally-closed valve |
Aug. 23, 2005 |
| 6932318 |
Flow control device |
Aug. 23, 2005 |
| 6896018 |
Vacuum flitch table system |
May. 24, 2005 |
| 6896236 |
Controlled leakage hydraulic damper |
May. 24, 2005 |
| 6877715 |
Vacuum regulating valve |
Apr. 12, 2005 |
| 6871618 |
Valve actuating device, and method for controlling same |
Mar. 29, 2005 |
| 6866059 |
Reconfigurable clean-in-place air-blow valve |
Mar. 15, 2005 |
| 6845783 |
Sliding disk valve for pneumatic conveyance of abrasive material |
Jan. 25, 2005 |
| 6840495 |
Modular, pneumatically operated control valve |
Jan. 11, 2005 |
| 6805152 |
Poppet valve with heater |
Oct. 19, 2004 |
| 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 |
| 6786248 |
Fill valve assembly for filler device |
Sep. 7, 2004 |
| 6786464 |
Pneumatic valve |
Sep. 7, 2004 |
| 6783108 |
Fueldraulic pintle valve |
Aug. 31, 2004 |
| 6783107 |
Hydraulic actuator with built-in pressure compensator |
Aug. 31, 2004 |
| 6772989 |
Maintenance-easy two-port valve |
Aug. 10, 2004 |
| 6766856 |
Large particulate removal system |
Jul. 27, 2004 |
| 6755354 |
Suck back valve |
Jun. 29, 2004 |
| 6748969 |
Poppet valve with heater |
Jun. 15, 2004 |
| 6729600 |
Valve for regulating fluids |
May. 4, 2004 |
| 6725876 |
Control valve with integrated electro-hydraulic actuator |
Apr. 27, 2004 |
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