Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/270.5
Name: Fluid handling > Convertible > Unit orientable in a single location between plural positions > Reversible stop and vent or waste
Description: Devices comprising stop and vent or waste valve units having means to associate the waste port with either principal port.

Patents under this class:

Patent Number Title Of Patent Date Issued
5775199 Rotary valve and directional valve combination Jul. 7, 1998
4974625 Four mode pneumatic relay Dec. 4, 1990
4848392 Solenoid on-off valve Jul. 18, 1989

  Recently Added Patents
Method, apparatus, and system for synchronizing contents
Scalable pixel coverage function-map
Thermoforming sheet loading apparatus and method
Tire for motorcycle
Method and apparatus for performing real time anomaly detection
ActRIIB proteins and variants and uses therefore relating to utrophin induction for muscular dystrophy therapy
Shipping container explosives and contraband detection system using nuclear quadrupole resonance
  Randomly Featured Patents
Pre-packaged pressure sensitive tear tape
Low-delay audio signal coder, using analysis-by-synthesis techniques
Substituted benzothiazole amide derivatives
Apparatus for calibrating a mass air flow sensor using an oscillating air flow
System and methods for construction, fusion, prosecution, and maintenance of minimized operating environments
Approach for tracking internet protocol telephony devices in networks
Phases of NH.sub.4 AlF.sub.4 and AlF.sub.3
Stimulating dopaminerginic activity
Cache coherent support for flash in a memory hierarchy
Compound for the amelioration of pseudofollicultis