Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 4/255.12
Name: Baths, closets, sinks, and spittoons > Obstruction remover > Force cup (e.g., a plunger) > With one way valve
Description: Subject matter wherein the force cup has a device that will make the fluid flow in one direction to clean or clear the obstruction within or clear the obstruction from the drain pipe of the sink, bath, or flush closet.

Patents under this class:

Patent Number Title Of Patent Date Issued
8684022 Condensate drain clearing device and method Apr. 1, 2014
6684417 Vented toilet plunger Feb. 3, 2004
6393626 Dual-acting plunger May. 28, 2002
6247190 Plunger apparatus with controllable ventilation Jun. 19, 2001
5974596 High pressure plunger device Nov. 2, 1999
4768237 Toilet plunger Sep. 6, 1988
4622702 Drain plunger Nov. 18, 1986
4566139 Piston plunger Jan. 28, 1986

  Recently Added Patents
Statistical identification of instances during reconciliation process
Modified and stabilized GDF propeptides and uses thereof
Radiation-curable ink composition, ink jet recording method, and recorded matter
Electrical stimulation lead, system, and method
Illumination apparatus for microlithography projection system including polarization-modulating optical element
Stock analysis method, computer program product, and computer-readable recording medium
  Randomly Featured Patents
Data storage and access systems
Self-adhesively treated backing materials
Intermediate semiconductor device structure including multiple photoresist layers
Seat attachable umbrella support
Method and structure for the adhesion between dielectric layers
Dual-band antenna
Methods and apparatus for assembling rotatable machines
Method and relevant apparatus for nasal ventilation, particularly for flow-synchronised neonatal assisted ventilation
Dissipative functional microarrays for classification
Epoxy resin, urethane-modified epoxy resin and carboxylated polyester