| |
 |
|
Class Information
Number: 251/65
Name: Valves and valve actuation > Permanent or constantly energized magnet actuator
Description: Subject matter wherein the actuator for the valve includes a permanent magnet or a constantly energized electromagnet.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7553006 |
Ink cartridge |
Jun. 30, 2009 |
| 7547415 |
Fluid chip, fluid movement control method using the same, and chemical reaction apparatus |
Jun. 16, 2009 |
| 7533692 |
Springless compressor valve |
May. 19, 2009 |
| 7527069 |
Electromagnetic split flapper pressure relief valve |
May. 5, 2009 |
| 7509975 |
Fluid sensing shut-off devices with timer and methods of operation |
Mar. 31, 2009 |
| 7506663 |
Magnetic check valve |
Mar. 24, 2009 |
| 7487829 |
Wellbore valve having linear magnetically geared valve actuator |
Feb. 10, 2009 |
| 7481415 |
Multi-force actuator valve with multiple operating modes |
Jan. 27, 2009 |
| 7483254 |
Control circuit of a bistable permanent magnet operating mechanism |
Jan. 27, 2009 |
| 7455075 |
Servo valve with miniature embedded force motor with stiffened armature |
Nov. 25, 2008 |
| 7448411 |
Actuator and valve assembly |
Nov. 11, 2008 |
| 7404541 |
Solenoid valve |
Jul. 29, 2008 |
| 7370675 |
Flow conditioner for a fluid transport pipe |
May. 13, 2008 |
| 7363942 |
Continuous automatic control and distributor valve, with a magnetic seal |
Apr. 29, 2008 |
| 7338029 |
Compact solenoid |
Mar. 4, 2008 |
| 7331488 |
Multi-chemical dispensing system |
Feb. 19, 2008 |
| 7325780 |
Motor operated valve with reduction gear |
Feb. 5, 2008 |
| 7320456 |
Valve device |
Jan. 22, 2008 |
| 7318592 |
Motorcycle steering damper |
Jan. 15, 2008 |
| 7314208 |
Apparatus and method for selectively channeling a fluid |
Jan. 1, 2008 |
| 7302970 |
Liquid delivery device |
Dec. 4, 2007 |
| 7290561 |
Pulsation causing valve for a plural piston pump |
Nov. 6, 2007 |
| 7284571 |
Valve device |
Oct. 23, 2007 |
| 7284978 |
Brake for molding machine valve |
Oct. 23, 2007 |
| 7278443 |
Pulsation causing valve for a plural piston pump |
Oct. 9, 2007 |
| 7275560 |
Pressure relief door for air duct work |
Oct. 2, 2007 |
| 7255323 |
Pressure activated valve |
Aug. 14, 2007 |
| 7252114 |
Electromagnetic fluid flow control valve |
Aug. 7, 2007 |
| 7234482 |
Servovalve with torque motor |
Jun. 26, 2007 |
| 7226035 |
Valve device |
Jun. 5, 2007 |
| 7171981 |
Flow control device and system |
Feb. 6, 2007 |
| 7168597 |
Aerosol metering valve |
Jan. 30, 2007 |
| 7143782 |
Pressure regulator module for controlling a gas |
Dec. 5, 2006 |
| 7134639 |
Latching micro-regulator |
Nov. 14, 2006 |
| 7118549 |
Shunt system including a flow control device for controlling the flow of cerebrospinal fluid out of a brain ventricle |
Oct. 10, 2006 |
| 7086245 |
Valve apparatus for controlling mass flow, manufacturing method thereof and heat exchanger using the same |
Aug. 8, 2006 |
| 7080818 |
Pressure regulating valve for common-rail fuel injection system |
Jul. 25, 2006 |
| 7077378 |
Annular valve |
Jul. 18, 2006 |
| 7070161 |
Proportional directional control valve with a magnetic positioning sensor |
Jul. 4, 2006 |
| 7032257 |
Flush tank having electromagnetic controler |
Apr. 25, 2006 |
| 7021603 |
Electromagnetic actuator and integrated actuator and fluid flow control valve |
Apr. 4, 2006 |
| 7014165 |
Flow control valve and flow control valve apparatus using the same |
Mar. 21, 2006 |
| 7011076 |
Bipolar valve having permanent magnet |
Mar. 14, 2006 |
| 7007915 |
Low energy fluid actuator control element |
Mar. 7, 2006 |
| 7007917 |
Electromagnetic control valve |
Mar. 7, 2006 |
| 7004446 |
Bistable dual-magnet valve unit |
Feb. 28, 2006 |
| 7004449 |
Active combustion fuel valve |
Feb. 28, 2006 |
| 6997430 |
Fail safe valve |
Feb. 14, 2006 |
| 6983923 |
Flow control valve |
Jan. 10, 2006 |
| 6981518 |
Latching micro-regulator |
Jan. 3, 2006 |
|
|
|
