Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 4/692
Name: Baths, closets, sinks, and spittoons > Drain, overflow or trap for a sink or bath > Drain valve > Pop-up > Contacted by rotating member > Lever > Having at least a semi-spherical fulcrum
Description: Subject matter wherein the lever has at least a partially ball shaped structure at its pivot point to control the flow of fluid.

Patents under this class:

Patent Number Title Of Patent Date Issued
8407829 Coupling for a faucet lift rod Apr. 2, 2013
8327474 Magnetic drain stopper assembly Dec. 11, 2012
6154898 Wastewater drain control for fluid compartments Dec. 5, 2000
6138297 Gravity ball valve and operating mechanism Oct. 31, 2000
5363518 Popup drain stopper Nov. 15, 1994
4969217 Drain assembly for sanitary fixture with built-in overflow device Nov. 13, 1990
4903943 Leakproof ball-and-socket joint arrangement Feb. 27, 1990
4807306 Pop-up drain assembly for lavatory basins Feb. 28, 1989
4218785 Drain assembly for a lavatory basin Aug. 26, 1980
4192026 Drain valve ball lever Mar. 11, 1980

  Recently Added Patents
Systems and methods for controlling registration of advancing substrates in absorbent article converting lines
Tap and linking module TDO register, gating for TCK and TMS
Epilation apparatus
Circuit device for preventing radiation emission in portable terminal with two cameras
Retransmission control method, base station and mobile station
Laboratory spatula
Developing device
  Randomly Featured Patents
Apparatus and method for measuring cardiac output
Error detection circuitry for digital systems
Wave valve
Method and apparatus for controlling the speed ranges of a machine
Non-contact touch switch
Stroller handle container
Anti-inflammatory method
Apparatus for control of storing information into dial memories in a telephone set
Preparation of chiral 5-aminocarbonyl-5H-dibenzo[a,d]cyclohepten-5,10-imines by optical resolution
Square ultra thrust reverser system