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Carl S. M. Hartwig

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  • Taby, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tunnel boring machine
    • Patent number 5,104,262
    • Issue date Apr 14, 1992
    • Atlas Copco Construction and Mining Technique AB
    • Jan H. Forsberg
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rock working tool
    • Patent number 5,058,690
    • Issue date Oct 22, 1991
    • Atlas Copco Construction and Mining Technique AB
    • Carl S. M. Hartwig
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel boring machine
    • Patent number 5,046,783
    • Issue date Sep 10, 1991
    • Atlas Copco MCT AB
    • Kaj B. I. Emanuelsson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Starting device
    • Patent number 4,853,554
    • Issue date Aug 1, 1989
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hand-held hammer tool
    • Patent number 4,766,963
    • Issue date Aug 30, 1988
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary machine with motor embedded in the rotor
    • Patent number 4,758,132
    • Issue date Jul 19, 1988
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Lubricant circulation system
    • Patent number 4,724,806
    • Issue date Feb 16, 1988
    • Atlas Copco Aktiebolag
    • Carl S. M. Hartwig
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Combustion engine system
    • Patent number 4,665,704
    • Issue date May 19, 1987
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Drive system for A.C. motors
    • Patent number 4,639,645
    • Issue date Jan 27, 1987
    • Institut Cerac S. A.
    • Carl S. M. Hartwig
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrically driven hammer machine
    • Patent number 4,601,351
    • Issue date Jul 22, 1986
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Method and device for controlling a brushless alternating current m...
    • Patent number 4,550,282
    • Issue date Oct 29, 1985
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetizable core for accommodating electrical conductors in an ele...
    • Patent number 4,546,282
    • Issue date Oct 8, 1985
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Method of driving the impeller of a liquid pump by means of a brush...
    • Patent number 4,511,312
    • Issue date Apr 16, 1985
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor drive system
    • Patent number 4,492,526
    • Issue date Jan 8, 1985
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Washing machine
    • Patent number 4,446,706
    • Issue date May 8, 1984
    • Institut Cerac S.A.
    • Carl S. M. Hartwig
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Vehicle
    • Patent number 4,409,525
    • Issue date Oct 11, 1983
    • Atlas Copco Aktiebolag
    • Carl S. M. Hartwig
    • B60 - VEHICLES IN GENERAL