Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Basket for a dishwasher
Method and apparatus for reacquiring lines in a cache
Semiconductor device including a clock generating circuit for generating an internal signal having a coarse delay line, a fine delay line and a selector circuit
Wireless communication system, associated methods and data structures
Fuel cell with air channel actuator
Method of manufacturing crystalline silicon solar cells with improved surface passivation
System and method for optimizing utilization of inventory space for dispensable articles
  Randomly Featured Patents
Protocol for channel access in wireless or network data communication
Large-format fireclay refractory brick, in particular bottom block for a tin bath
Process for producing frozen yogurt mix using S. thermophilus starter culture
Roller link toggle gripper and downhole tractor
Pedestrian airbag apparatus
Method for destroying targets and a projectile for carrying out the method
Air bearing for an optical fiber
Cancer-associated antigens and methods of their identification and use
Bonded substrate structures and method for fabricating bonded substrate structures
Method for operating nonvolatile memory semiconductor devices memories