TREA

Erland D. Anderson

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  • Farmington, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air filtration arrangement and method
    • Patent number 5,972,063
    • Issue date Oct 26, 1999
    • Donaldson Company, Inc.
    • Denis J. Dudrey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air filtration arrangement and method
    • Patent number 5,797,973
    • Issue date Aug 25, 1998
    • Donaldson Company, Inc.
    • Denis J. Dudrey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air filtration arrangement
    • Patent number 5,669,949
    • Issue date Sep 23, 1997
    • Donaldson Company, Inc.
    • Denis J. Dudrey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Trap apparatus with bypass
    • Patent number 5,357,755
    • Issue date Oct 25, 1994
    • Donaldson Company, Inc.
    • Gary R. Gillingham
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Trap apparatus with bypass
    • Patent number 5,212,948
    • Issue date May 25, 1993
    • Donaldson Company, Inc.
    • Gary R. Gillingham
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Air cleaner with restriction indicator
    • Patent number 4,020,783
    • Issue date May 3, 1977
    • Donaldson Company, Inc.
    • Erland D. Anderson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS