Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/505.2
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > With opening bias (e.g., pressure regulator) > With protective separator
Description: Devices relating to the control of gas or vapor and having a distinct reactor surface chamber and connecting passage to the flow line whereby a liquid seal is provided which prevents line gas or vapor from directly contacting the reactor surface.

Patents under this class:

Patent Number Title Of Patent Date Issued
7111653 Expansion tank Sep. 26, 2006
5787883 Spring-free pressure regulator with structure isolating exhaled air from valve Aug. 4, 1998

  Recently Added Patents
Methods and systems for managing print device supplies using cloud administration system configured for chemical signature tracking
Amide derivatives, process for preparation thereof and use thereof as insecticide
Method and apparatus for supporting delivery, sale and billing of perishable and time-sensitive goods such as newspapers, periodicals and direct marketing and promotional materials
Package for product
Phase locking loop
Light-emitting element, light-emitting device, and electronic device
  Randomly Featured Patents
Dynamic voltage and frequency scaling (DVFS) control for simultaneous multi-threading (SMT) processors
Complementary metal-oxide-semiconductor image sensor and method for fabricating the same
Encapsulated electroluminescent lamp
Methods, systems, and computer readable media for over the air (OTA) provisioning of soft cards on devices with wireless communications capabilities
Anaerobic/aerobic decontamination of DDT contaminated soil by repeated anaerobic/aerobic treatments
Thread identification system
Process for the preparation of fused pyridine compounds
Method of treating body insect infestation
Device for controlling the intake air temperature of a carburetor-equipped internal combustion engine