Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/425
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > With counter-balance > Within tank
Description: Apparatus in which the counterbalancing means is within the tank holding the liquid accumulation.










Patents under this class:

Patent Number Title Of Patent Date Issued
8573246 Automatic filling termination device and cryogenic vessel with the same Nov. 5, 2013
8360093 Pilot fill valve Jan. 29, 2013
6913035 Water filler for water tank Jul. 5, 2005
6823785 Printing unit Nov. 30, 2004
6776200 Trigger apparatus and material handling apparatus including the same Aug. 17, 2004
5715856 Liquid flow control apparatus Feb. 10, 1998
5669083 Water saver for flush tanks Sep. 23, 1997
5349981 Drain valve for a flush tank Sep. 27, 1994
5179739 Water conserving toilet assembly Jan. 19, 1993
5035257 Toilet tank valve Jul. 30, 1991
4874531 Apparatus and method for separating water from aviation fuel, and float control therefor Oct. 17, 1989
4854340 Toilet-tank float-booster Aug. 8, 1989
4503881 Automatic counterbalanced sewer valve with float closure Mar. 12, 1985
4483367 Stop fill valve Nov. 20, 1984
4453560 Hydraulically balanced valve mechanism Jun. 12, 1984
4313459 Automatic fill-stop valve Feb. 2, 1982
3935686 Vehicle drain hole plug Feb. 3, 1976











 
 
  Recently Added Patents
Network-based dynamic encoding
Application authentication system and method
Multicolored light converting LED with minimal absorption
Method and apparatus for transcoding and transrating in distributed video systems
Duty cycle adjustment of remote illumination source to maintain illumination output
Tranverse in-core probe monitoring and calibration device for nuclear power plants, and method thereof
Method and system for expanding axial coverage in iterative reconstruction in computer tomography (CT)
  Randomly Featured Patents
Desktop modular assembly
Pharmaceutical preparation and process for its manufacture
Thermosetting compositions
Timer-controlled computer system power management
Combustion type driving tool
Combined guitar and synthesizer sound box, or similar article
Soft magnetic material, powder magnetic core and method of manufacturing soft magnetic material
Multicarrier transmission system with low power sleep mode and rapid-on capability
Soap container
Electrical devices containing improved dielectric fluids