with valves with own buoyancy

Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable flush valve poppet assembly

    • Patent number 11,946,238
    • Issue date Apr 2, 2024
    • Fluidmaster, Inc.
    • Ken Nguyen
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Water intake structure for water-storing key float

    • Patent number 9,062,443
    • Issue date Jun 23, 2015
    • Feiyu Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    External float extension

    • Patent number 8,881,319
    • Issue date Nov 11, 2014
    • Danco, Inc.
    • Michael J. Schuster
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Double flow flushing system with magnetic valve

    • Patent number 8,091,153
    • Issue date Jan 10, 2012
    • CELEC Conception Electronique
    • Christian Martin
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Limited volume high performance flush valve assembly

    • Patent number 8,079,095
    • Issue date Dec 20, 2011
    • Ideal Standard International BVBA
    • Robert M. Jensen
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Automatic flushing device with magnetic valve

    • Patent number 8,056,154
    • Issue date Nov 15, 2011
    • CELEC Conception Electronique
    • Christian Martin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Toilet flushing system

    • Patent number 6,397,404
    • Issue date Jun 4, 2002
    • Carlos A. Ferreyra
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Flapper-type flush valve and mounting adapter

    • Patent number 6,173,457
    • Issue date Jan 16, 2001
    • Gary R. Higgins
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Water closet tank and inclined outlet valve ball element support th...

    • Patent number 4,185,339
    • Issue date Jan 29, 1980
    • Juan A. Morales
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Constant volume fluid discharging device

    • Patent number 4,109,834
    • Issue date Aug 29, 1978
    • Canadian Patents and Development Limited
    • Clyde C. K. Kwok
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Toilet flush assembly

    • Patent number 3,987,501
    • Issue date Oct 26, 1976
    • Producers Specialty & Mfg. Co., Inc.
    • Robert V. Anderson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Mechanism for flush systems

    • Patent number 3,972,076
    • Issue date Aug 3, 1976
    • Robert Joseph Ferdinand Martini
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Flush valve and overflow pipe assembly for a toilet tank

    • Patent number 3,959,828
    • Issue date Jun 1, 1976
    • Ignacio Acevedo
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Flushing valve

    • Patent number 3,958,280
    • Issue date May 25, 1976
    • Bobbie R. Smith
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Self-venting tank valve for toilet tanks

    • Patent number 3,955,218
    • Issue date May 11, 1976
    • Jerrold Craig Ramsey
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3921226

    • Patent number 3,921,226
    • Issue date Nov 25, 1975
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3909856

    • Patent number 3,909,856
    • Issue date Oct 7, 1975
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3890652

    • Patent number 3,890,652
    • Issue date Jun 24, 1975
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3858250

    • Patent number 3,858,250
    • Issue date Jan 7, 1975
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3832739

    • Patent number 3,832,739
    • Issue date Sep 3, 1974
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3701169

    • Patent number 3,701,169
    • Issue date Oct 31, 1972
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3501780

    • Patent number 3,501,780
    • Issue date Mar 24, 1970
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3438064

    • Patent number 3,438,064
    • Issue date Apr 15, 1969
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3383711

    • Patent number 3,383,711
    • Issue date May 21, 1968
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3365730

    • Patent number 3,365,730
    • Issue date Jan 30, 1968
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3323142

    • Patent number 3,323,142
    • Issue date Jun 6, 1967
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3280407

    • Patent number 3,280,407
    • Issue date Oct 25, 1966
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3277497

    • Patent number 3,277,497
    • Issue date Oct 11, 1966
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3263240

    • Patent number 3,263,240
    • Issue date Aug 2, 1966
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3211172

    • Patent number 3,211,172
    • Issue date Oct 12, 1965
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents