Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/248
Name: Fluid handling > With liquid valves or liquid trap seals > Seal for relatively movable valving parts
Description: Apparatus in which the liquid is used to seal a gap between relatively movable valving parts of a valve in at least one position of the valve, the liquid pool comprising in effect the seat for the movable valve element.










Sub-classes under this class:

Class Number Class Name Patents
137/249 Horizontally moving valve 0


Patents under this class:

Patent Number Title Of Patent Date Issued
8578963 Nonreturn valve for an exhaust line Nov. 12, 2013
6629621 Gauge hatch with liquid seal Oct. 7, 2003
6375437 Power operated air compressor assembly Apr. 23, 2002
6250331 Zero crack-pressure, high-flow valve Jun. 26, 2001
6056005 Vent valve with liquid seal May. 2, 2000
5171025 Sealing arrangement for a valve and more particularly one in the form of a multi-way valve Dec. 15, 1992
5146896 Mounting fuel injection system components on a fuel rail Sep. 15, 1992
4750705 Magnetic quick action valve Jun. 14, 1988
4144902 Isolation valve Mar. 20, 1979
3949907 Storage bin with liquid sealed discharge opening Apr. 13, 1976











 
 
  Recently Added Patents
Image processing apparatus and image processing method
Vacuum cleaner filter adapter ring
Method, apparatus, and manufacture for adaptation of video encoder tuning parameters
Contamination barrier
Method for transforming a single reactor line
Detection of procedural deficiency across multiple business applications
Content display system
  Randomly Featured Patents
Power transmission structure
Process for moduling the interior space of a vehicle and a seat for performing this process
Socket wrench extension
Remote control robot with person supporting platform
Outlet for underfloor and concealed installations
Plug connector having a rotatable outgoing cable part
Printing apparatus and method of displaying explanations of printing apparatus
Lawn edging system
Illuminated hummingbird feeder
Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle