Working member positioned against counterforce by constantly applied motive fluid

Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic/hydraulic balance weight system for mother machines

    • Patent number 6,041,597
    • Issue date Mar 28, 2000
    • Chih-Hsiang Huang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Air lifting and balancing unit

    • Patent number 5,556,077
    • Issue date Sep 17, 1996
    • Columbus McKinnon Corporation
    • Robert O. Braesch
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Air lifting and balancing unit with constant force pneumatic circuit

    • Patent number 5,520,368
    • Issue date May 28, 1996
    • Columbus McKinnon Corporation
    • Robert O. Braesch
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Pneumatic control circuit for applying constant force

    • Patent number 5,517,821
    • Issue date May 21, 1996
    • Columbus McKinnon Corporation
    • Robert O. Braesch
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Air lifting and balancing unit

    • Patent number 5,439,200
    • Issue date Aug 8, 1995
    • Columbus McKinnon Corporation
    • Robert O. Braesch
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Control device for a balancing apparatus

    • Patent number 4,455,838
    • Issue date Jun 26, 1984
    • Toyama Machine Works, Ltd.
    • Kita Junichi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3871622

    • Patent number 3,871,622
    • Issue date Mar 18, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3842603

    • Patent number 3,842,603
    • Issue date Oct 22, 1974
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3793835

    • Patent number 3,793,835
    • Issue date Feb 26, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3718316

    • Patent number 3,718,316
    • Issue date Feb 27, 1973
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3707844

    • Patent number 3,707,844
    • Issue date Jan 2, 1973
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3653635

    • Patent number 3,653,635
    • Issue date Apr 4, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3651643

    • Patent number 3,651,643
    • Issue date Mar 28, 1972
    • G08 - SIGNALLING
  • Information Patent Grant

    3643435

    • Patent number 3,643,435
    • Issue date Feb 22, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3623321

    • Patent number 3,623,321
    • Issue date Nov 30, 1971
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3609972

    • Patent number 3,609,972
    • Issue date Oct 5, 1971
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3599428

    • Patent number 3,599,428
    • Issue date Aug 17, 1971
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3589465

    • Patent number 3,589,465
    • Issue date Jun 29, 1971
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    3583284

    • Patent number 3,583,284
    • Issue date Jun 8, 1971
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    3576292

    • Patent number 3,576,292
    • Issue date Apr 27, 1971
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    3541926

    • Patent number 3,541,926
    • Issue date Nov 24, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3534553

    • Patent number 3,534,553
    • Issue date Oct 20, 1970
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3523742

    • Patent number 3,523,742
    • Issue date Aug 11, 1970
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3514163

    • Patent number 3,514,163
    • Issue date May 26, 1970
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3499629

    • Patent number 3,499,629
    • Issue date Mar 10, 1970
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3470698

    • Patent number 3,470,698
    • Issue date Oct 7, 1969
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3465645

    • Patent number 3,465,645
    • Issue date Sep 9, 1969
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    3423938

    • Patent number 3,423,938
    • Issue date Jan 28, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3415159

    • Patent number 3,415,159
    • Issue date Dec 10, 1968
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3409335

    • Patent number 3,409,335
    • Issue date Nov 5, 1968
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS