Liquid level responsive

Patents Grantslast 30 patents

  • Information Patent Grant

    Ebb and flow watering system

    • Patent number 9,901,044
    • Issue date Feb 27, 2018
    • IP Holdings, LLC
    • Martin Carskadon
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Drainage apparatus

    • Patent number 9,671,309
    • Issue date Jun 6, 2017
    • Mahle International GmbH
    • Michael Braunheim
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid flow management through a wastewater level manipulation syste...

    • Patent number 9,556,040
    • Issue date Jan 31, 2017
    • Data Flow Systems, Inc.
    • Thomas F. Smaidris
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Ebb and flow watering system

    • Patent number 9,176,503
    • Issue date Nov 3, 2015
    • IP Holdings, LLC
    • Martin Carskadon
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Computer implemented method for controlling ebb flow watering systems

    • Patent number 8,725,301
    • Issue date May 13, 2014
    • IP Holdings, LLC
    • Martin Carskadon
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Fluid flow management system and associated methods

    • Patent number 8,600,568
    • Issue date Dec 3, 2013
    • Data Flow Systems, Inc.
    • Thomas F. Smaidris
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Wastewater collection flow management system and techniques

    • Patent number 8,594,851
    • Issue date Nov 26, 2013
    • Data Flow Systems, Inc.
    • Thomas F. Smaidris
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Method and apparatus for conserving water

    • Patent number 8,245,946
    • Issue date Aug 21, 2012
    • Nitroworks Corporation
    • Steven M. Greenthal
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Method and apparatus for reducing damper operating pressure

    • Patent number 5,535,768
    • Issue date Jul 16, 1996
    • The Babcock & Wilcox Company
    • Robert E. Snyder
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pressure equalizer device

    • Patent number 5,402,816
    • Issue date Apr 4, 1995
    • Univer S.p.A.
    • Luciano Migliori
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Anti-backflow valve for therapy tubs and the like

    • Patent number 4,510,967
    • Issue date Apr 16, 1985
    • KDI American Products, Inc.
    • Raymond G. Spinnett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Sump level maintenance system

    • Patent number 4,301,824
    • Issue date Nov 24, 1981
    • General Motors Corporation
    • James R. Payne
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3811463

    • Patent number 3,811,463
    • Issue date May 21, 1974
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3675248

    • Patent number 3,675,248
    • Issue date Jul 11, 1972
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3612089

    • Patent number 3,612,089
    • Issue date Oct 12, 1971
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3578077

    • Patent number 3,578,077
    • Issue date May 11, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3347256

    • Patent number 3,347,256
    • Issue date Oct 17, 1967
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    3253606

    • Patent number 3,253,606
    • Issue date May 31, 1966
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3225782

    • Patent number 3,225,782
    • Issue date Dec 28, 1965
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3202165

    • Patent number 3,202,165
    • Issue date Aug 24, 1965
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3127903

    • Patent number 3,127,903
    • Issue date Apr 7, 1964
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3093154

    • Patent number 3,093,154
    • Issue date Jun 11, 1963
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3093156

    • Patent number 3,093,156
    • Issue date Jun 11, 1963
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3053521

    • Patent number 3,053,521
    • Issue date Sep 11, 1962
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3047005

    • Patent number 3,047,005
    • Issue date Jul 31, 1962
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2986153

    • Patent number 2,986,153
    • Issue date May 30, 1961
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2985186

    • Patent number 2,985,186
    • Issue date May 23, 1961
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2962043

    • Patent number 2,962,043
    • Issue date Nov 29, 1960
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2953147

    • Patent number 2,953,147
    • Issue date Sep 20, 1960
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2928410

    • Patent number 2,928,410
    • Issue date Mar 15, 1960
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents