Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/384.6
Name: Fluid handling > With lock or seal > Common lock and valve actuator > Biased valve
Description: Devices in which the valve head is biased to or from the open position.










Patents under this class:

Patent Number Title Of Patent Date Issued
8602506 Air brake locking device and system Dec. 10, 2013
7007712 Pneumatic tool lock Mar. 7, 2006
5966970 Lockable fuel valve Oct. 19, 1999
4928506 Anti-theft locking valve for motor vehicles May. 29, 1990
4658608 Security valve mechanism for a hydraulic system Apr. 21, 1987
4489748 Lockable apparatus for deactivating a hydraulic system Dec. 25, 1984
4402339 Lockable valve for hydraulic system Sep. 6, 1983
4208032 Closing device with valve having a high speed reaction Jun. 17, 1980
4131127 Locking valve Dec. 26, 1978
3965916 Apparatus and method for gagging a relief valve within a flue secured to a tank Jun. 29, 1976











 
 
  Recently Added Patents
Sublingual coated tablet of fentanyl
Efficient file system metadata scanning using scoped snapshots
Press nut
Polypropylene bottles
Circuit arrangement for a piezo transformer, and method therefor
Deposited conductive layers for leads of implantable electric stimulation systems and methods of making and using
Systems and methods for generating a user profile based customized media guide with user-generated content and non-user-generated content
  Randomly Featured Patents
System to permit cargo to be pre-slung after warehouse palletization
Engine induction system
Combined ticket scraper and residue collector
User interface for a display screen
Shopping cart support assembly
Method and apparatus for sensing direct current of one polarity in a conductor and electronically commutated motor control responsive to sensed motor current
Semiconductor processing apparatus comprising chamber partitioned into reaction and transfer sections
Fully differential amplifier including common mode feedback circuit
Methods of forming patterned reticles
Laminar-flow airfoil