Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/247.13
Name: Fluid handling > With liquid valves or liquid trap seals > Liquid seal in liquid flow line; flow liquid forms seal > Valves
Description: Apparatus having a valve in the liquid flow line in or adjacent to the seal.

Sub-classes under this class:

Class Number Class Name Patents
137/247.15 Line condition change responsive 9

Patents under this class:

Patent Number Title Of Patent Date Issued
7854238 Conduit trap and condensation recovery device Dec. 21, 2010
6877306 Nozzle assembly with flow divider and ecology valve Apr. 12, 2005
6698225 Biased condensation trap Mar. 2, 2004
6632404 Automatically actuated parallel sample injector valve Oct. 14, 2003
6049031 Magnetic valve system for a musical instrument Apr. 11, 2000
5236137 Apparatus and method for garbage disposal cleaning Aug. 17, 1993

  Recently Added Patents
Motion-compensated prediction of inter-layer residuals
Data storage device and block selection method for a flash memory
Method for media access controlling and system and method for channel time reservation in distributed wireless personal area network
Bioactive agent-loaded heart-targeting nanoparticles
Sensor apparatus and information processing apparatus
Method and system for accomplishing user equipment purge
  Randomly Featured Patents
Deflective tamper resistant rodent bait station
Computer aided design for TE.sub.01 mode circular waveguide
Motor control device, image forming apparatus, and motor control method
Long wavelength avalanche photodetector
Electrical connector with improved actuator
Semantic subtyping for declarative data scripting language by calling a prover
Composition for a wiring, a wiring using the composition, manufacturing method thereof, a display using the wiring and manufacturing method thereof
LED luminaire
High speed egg breaking apparatus
Valve members for a homogenization valve