TREA

with a feathering hinge only

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Industry

  • CPC
  • B64C27/45
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B64Aviation B64CAEROPLANES HELICOPTERS B64C27/00Rotorcraft Rotors peculiar thereto

Current Industry

B64C27/45with a feathering hinge only
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotor blade, in particular for helicopter antitorque tail rotor
    • Patent number 6,287,076
    • Issue date Sep 11, 2001
    • René Mouille
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Semi-articulated rotor system
    • Patent number 6,050,778
    • Issue date Apr 18, 2000
    • The Boeing Company
    • Francis H. McArdle
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Hub for rotary wing aircraft
    • Patent number 5,620,305
    • Issue date Apr 15, 1997
    • The Boeing Company
    • Francis H. McArdle
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Ducted fan and pitch controls for tail rotor of rotary wing aircraft
    • Patent number 5,478,204
    • Issue date Dec 26, 1995
    • The Boeing Company
    • Rene A. Desjardins
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Ducted tail rotor providing torque reaction and yaw attitude control
    • Patent number 5,415,525
    • Issue date May 16, 1995
    • The Boeing Company
    • Rene A. Desjardins
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Blade-hub linkage device with a laminate attachment
    • Patent number 5,383,767
    • Issue date Jan 24, 1995
    • Eurocopter France
    • Jacques A. Aubry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Cylindrical elastomeric bearing with large angular deflection
    • Patent number 5,330,322
    • Issue date Jul 19, 1994
    • Aerospatiale Societe National Industrielle
    • Jacques A. Aubry
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Four-blade rotor, especially for helicopters
    • Patent number 4,299,539
    • Issue date Nov 10, 1981
    • Messerschmitt-Boelkow-Blohm Gesellschaft mit beschraenkter Haftung
    • Alois Schwarz
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Multi-blade propellers
    • Patent number 4,281,966
    • Issue date Aug 4, 1981
    • Societe Nationale Industrielle Aerospatiale
    • Maurice L. Duret
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Four-blade rotor, especially for helicopters
    • Patent number 4,251,188
    • Issue date Feb 17, 1981
    • Messerschmitt-Boelkow-Blohm Gesellschaft mit beschraenkter Haftung
    • Alois Schwarz
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Rotor structure, especially for hingeless rotary wing aircraft
    • Patent number 4,243,359
    • Issue date Jan 6, 1981
    • Messerschmitt-Bolkow-Blohm Gesellschaft mit beschrankter Haftung
    • Alois Schwarz
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Rotor free of flapping hinges and free of lead-lag hinges
    • Patent number 4,195,967
    • Issue date Apr 1, 1980
    • Messerschmitt-Boelkow-Blohm GmbH
    • Emil Weiland
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Rotor for a rotary wing aircraft
    • Patent number 4,183,718
    • Issue date Jan 15, 1980
    • Messerschmitt-Bolkow-Blohm GmbH
    • Karlheinz Mautz
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Helicopter rotor head
    • Patent number 4,182,597
    • Issue date Jan 8, 1980
    • Messerschmitt-Boelkow-Blohm GmbH
    • Hans Derschmidt
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Helicopter rotor structure
    • Patent number 4,154,557
    • Issue date May 15, 1979
    • Messerschmitt-Boelkow-Blohm Gesellschaft mit beschraenkter Haftung
    • Emil Weiland
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3885887
    • Patent number 3,885,887
    • Issue date May 27, 1975
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3824037
    • Patent number 3,824,037
    • Issue date Jul 16, 1974
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3610774
    • Patent number 3,610,774
    • Issue date Oct 5, 1971
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3545880
    • Patent number 3,545,880
    • Issue date Dec 8, 1970
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3477796
    • Patent number 3,477,796
    • Issue date Nov 11, 1969
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3409249
    • Patent number 3,409,249
    • Issue date Nov 5, 1968
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2919753
    • Patent number 2,919,753
    • Issue date Jan 5, 1960
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2433107
    • Patent number 2,433,107
    • Issue date Dec 23, 1947
    • B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    TEETERING TAIL ROTOR YOKE
    • Publication number 20180290739
    • Publication date Oct 11, 2018
    • BELL HELICOPTER TEXTRON INC.
    • Hassan A. Mughal
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Folding Proprotor Gimbal Lock and Blade Lock Mechanism
    • Publication number 20160152329
    • Publication date Jun 2, 2016
    • BELL HELICOPTER TEXTRON INC.
    • Chyau-Song Tzeng
    • B64 - AIRCRAFT AVIATION COSMONAUTICS