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
Organic compounds
Scalable encoding apparatus, scalable decoding apparatus, scalable encoding method, scalable decoding method, communication terminal apparatus, and base station apparatus
Behavioral fingerprint based authentication
Dynamic association and disassociation of threads to device functions based on requestor identification
Provision of downlink packet access services to user equipment in spread spectrum communication network
Nonvolatile semiconductor memory device and method of manufacturing the same
Expression of dirigent gene EG261 and its orthologs and paralogs enhances pathogen resistance in plants
  Randomly Featured Patents
Control circuit for magnetic probe
Pressure transducer having a tensioned diaphragm
Methods for generating auditory indicators
Novel acetylenic prostaglandins and processes for the preparation thereof
Quick set-up, automatically-adjusting, scaffold seat
Removing fluorosurfactant from aqueous fluoropolymer dispersions using monodisperse ion exchange resin
Method of driving a plasma display panel before erase addressing
Jet cleaning machine
Incrementally variable transmission
Tape recorder