With manual control

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for providing communication between water tanks of heat accu...

    • Patent number 5,009,261
    • Issue date Apr 23, 1991
    • Takashi Kuhara
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Device for providing communication between water tanks of heat accu...

    • Patent number 4,887,667
    • Issue date Dec 19, 1989
    • Takashi Kuhara
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Flushing cisterns

    • Patent number 4,646,369
    • Issue date Mar 3, 1987
    • National Research Development Corporation
    • Geoffrey J. Brown
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Flushing siphon

    • Patent number 4,625,752
    • Issue date Dec 2, 1986
    • John A. George
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and apparatus for valve motor actuation of a displacer-expan...

    • Patent number 4,538,416
    • Issue date Sep 3, 1985
    • Air Products and Chemicals, Inc.
    • Richard C. Riedy
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3582997

    • Patent number 3,582,997
    • Issue date Jun 8, 1971
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3358295

    • Patent number 3,358,295
    • Issue date Dec 19, 1967
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2646061

    • Patent number 2,646,061
    • Issue date Jul 21, 1953
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2612903

    • Patent number 2,612,903
    • Issue date Oct 7, 1952
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2296055

    • Patent number 2,296,055
    • Issue date Sep 15, 1942
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1752620

    • Patent number 1,752,620
    • Issue date Apr 1, 1930
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1345383

    • Patent number 1,345,383
    • Issue date Jul 6, 1920
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    1225691

    • Patent number 1,225,691
    • Issue date May 8, 1917
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1059116

    • Patent number 1,059,116
    • Issue date Apr 15, 1913
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    897378

    • Patent number 897,378
    • Issue date Sep 1, 1908
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    753174

    • Patent number 753,174
    • Issue date Feb 23, 1904
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    692611

    • Patent number 692,611
    • Issue date Feb 4, 1902
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    649170

    • Patent number 649,170
    • Issue date May 8, 1900
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    615238

    • Patent number 615,238
    • Issue date Dec 6, 1898
    • G01 - MEASURING TESTING
  • Information Patent Grant

    564156

    • Patent number 564,156
    • Issue date Jul 14, 1896
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    552119

    • Patent number 552,119
    • Issue date Dec 31, 1895
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    537968

    • Patent number 537,968
    • Issue date Apr 23, 1895
    • B08 - CLEANING
  • Information Patent Grant

    536150

    • Patent number 536,150
    • Issue date Mar 19, 1895
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    444310

    • Patent number 444,310
    • Issue date Jan 6, 1891
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    401575

    • Patent number 401,575
    • Issue date Apr 16, 1889
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    381224

    • Patent number 381,224
    • Issue date Apr 17, 1888
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    358677

    • Patent number 358,677
    • Issue date Mar 1, 1887
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    249134

    • Patent number 249,134
    • Issue date Nov 1, 1881
    • G01 - MEASURING TESTING
  • Information Patent Grant

    210965

    • Patent number 210,965
    • Issue date Dec 17, 1878
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    202586

    • Patent number 202,586
    • Issue date Apr 16, 1878
    • F24 - HEATING RANGES VENTILATING