Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/384.4
Name: Fluid handling > With lock or seal > Common lock and valve actuator > Combination lock
Description: Devices in which the lock comprises an element which is, or a plurality of elements which are, manually manipulable in a predetermined sequence, or to a predetermined position to effect the operation of the lock.










Patents under this class:

Patent Number Title Of Patent Date Issued
4489748 Lockable apparatus for deactivating a hydraulic system Dec. 25, 1984
4061158 Valve with combination lock and remote control Dec. 6, 1977
4022137 Safe with hydraulic safety protection May. 10, 1977











 
 
  Recently Added Patents
Rose plant named `ESM R044`
Non-aqueous solution process for the preparation of cross-linked polymers
System for setting programmable parameters for an implantable hypertension treatment device
Reading apparatus and reading method
Preamplifier-to-channel communication in a storage device
Method and system for encrypting data in a wireless communication system
Controller with screen
  Randomly Featured Patents
Solid hair conditioning product
Helically traveling non-destructive system for the detection of cracks in pipelines
Method and apparatus for fabric production
Projector
Apparatus for water jet and impact drilling and mining
Method of modulating an optical wavelength with an opto-electronic laser with integrated modulator
Crop deflector used with crop conditioner rolls for effecting formation of fluffy windrow
Bridging device for mapping/demapping ethernet packet data directly onto and from a sonet network
Method for lime stabilization of wastewater treatment plant sludges
System for carrying out educational management