Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/254
Name: Fluid handling > With liquid valves or liquid trap seals > Liquid valves > With baffle
Description: Apparatus in which one or more baffles is provided either in or above the liquid of the valve, usually to restrict, deflect, or slow up sudden rising of the valving liquid.

Patents under this class:

Patent Number Title Of Patent Date Issued
8156957 System for accurately weighing solids and control mechanism for same Apr. 17, 2012
8141577 Liquid filled pressure/vacuum valve for petroleum underground storage tanks Mar. 27, 2012
8100873 System and method for collecting exudates Jan. 24, 2012
7591278 Sewer system vent monitor Sep. 22, 2009
7543601 Passive pressure activation valve Jun. 9, 2009
7490624 Passive pressure activation valve Feb. 17, 2009
7302964 Housing for a liquid seal vacuum and pressure relief valve apparatus Dec. 4, 2007
6082183 Test assembly for fluid tight integrity of pipeline joint Jul. 4, 2000
4449242 Flexible, resilient anti-contamination baffle May. 15, 1984
4411286 Liquid seal valve Oct. 25, 1983
4222405 Pressure vacuum breaker Sep. 16, 1980
4067351 Hydraulic vent valve Jan. 10, 1978

  Recently Added Patents
Graphical user interface for interpreting the results of image analysis
Communicating channel state information using predictive vector quantization
Method and system for providing complete internet anywhere with partial server processing
System and method for leveraging independent innovation in entertainment content and graphics hardware
Rapid glycopeptide optimization via neoglycosylation
System and method for netbackup data decryption in a high latency low bandwidth environment
Automated gate system
  Randomly Featured Patents
Lamp-operating appliance for operating one or more light-sources and process for operating a lamp-operating appliance
Visor-connected tape cartridge holder
Solid-state laser cooling
Bocce ball
Soft error tolerant flip flops
Mounting structure for vibrator with contact power supply
Shock mount container
Transparent amorphous carbon structure in semiconductor devices
Reference voltage generator for use in display applications
Electrical connecting device and method of forming same