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Tony Christianson

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  • Yosemite, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pin lock carabiner
    • Patent number 11,585,370
    • Issue date Feb 21, 2023
    • Tony Christianson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Locking carabiner
    • Patent number 8,621,728
    • Issue date Jan 7, 2014
    • Tony Christianson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Snap lock carabiner
    • Patent number 7,992,267
    • Issue date Aug 9, 2011
    • Tony Christianson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Split tube belay device
    • Patent number 7,963,366
    • Issue date Jun 21, 2011
    • Tony Christianson
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Elliptical purge valve for snorkels
    • Patent number 7,909,030
    • Issue date Mar 22, 2011
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Flip top valve for dry snorkels
    • Patent number 7,077,127
    • Issue date Jul 18, 2006
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Flip top valve for dry snorkels
    • Patent number 6,904,910
    • Issue date Jun 14, 2005
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Dryest snorkel
    • Patent number 6,371,108
    • Issue date Apr 16, 2002
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Folding snorkel
    • Patent number 6,321,745
    • Issue date Nov 27, 2001
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Expanding climbing aid
    • Patent number 6,042,069
    • Issue date Mar 28, 2000
    • Tony Christianson
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Snorkel with pump
    • Patent number 5,868,129
    • Issue date Feb 9, 1999
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Snorkel with automatic purge
    • Patent number 5,657,746
    • Issue date Aug 19, 1997
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Regulator second stage for scuba
    • Patent number 5,251,618
    • Issue date Oct 12, 1993
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Snorkel for skin divers
    • Patent number 5,092,324
    • Issue date Mar 3, 1992
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Regulator second stage for scuba
    • Patent number 5,035,238
    • Issue date Jul 30, 1991
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Snorkel for skin divers
    • Patent number 4,879,995
    • Issue date Nov 14, 1989
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Skin diving snorkel
    • Patent number 4,877,022
    • Issue date Oct 31, 1989
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Snorkel
    • Patent number 4,872,453
    • Issue date Oct 10, 1989
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Regulator second stage for scuba
    • Patent number 4,862,884
    • Issue date Sep 5, 1989
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Mechanically expanding climbing aid
    • Patent number 4,643,377
    • Issue date Feb 17, 1987
    • Tony Christianson
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Inlet valve for breathing apparatus second stage regulators
    • Patent number 4,603,833
    • Issue date Aug 5, 1986
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Diaphragm and exhaust valve for second stage regulator
    • Patent number 4,574,797
    • Issue date Mar 11, 1986
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Foot holding device for hanging upside-down
    • Patent number 4,565,370
    • Issue date Jan 21, 1986
    • Tony Christianson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Pilot controlled regulator second stage
    • Patent number 4,503,852
    • Issue date Mar 12, 1985
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Pilot controlled regulator second stage
    • Patent number 4,386,624
    • Issue date Jun 7, 1983
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Pilot controlled regulator second stage
    • Patent number 4,297,998
    • Issue date Nov 3, 1981
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Skateboard truck
    • Patent number 4,152,001
    • Issue date May 1, 1979
    • Tony Christianson
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    FLIP TOP VALVE FOR DRY SNORKELS
    • Publication number 20140238391
    • Publication date Aug 28, 2014
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Locking Carabiner
    • Publication number 20130036579
    • Publication date Feb 14, 2013
    • Tony Christianson
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    FLIP TOP VALVE FOR DRY SNORKELS
    • Publication number 20130032141
    • Publication date Feb 7, 2013
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Snap lock carabiner
    • Publication number 20080005876
    • Publication date Jan 10, 2008
    • Tony Christianson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Split tube belay device
    • Publication number 20070187176
    • Publication date Aug 16, 2007
    • Tony Christianson
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Elliptical purge valve for snorkels
    • Publication number 20070068519
    • Publication date Mar 29, 2007
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Flip top valve for dry snorkels
    • Publication number 20060254582
    • Publication date Nov 16, 2006
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Flip top valve for dry snorkels
    • Publication number 20050188986
    • Publication date Sep 1, 2005
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Hinge locking carabiner
    • Publication number 20040143945
    • Publication date Jul 29, 2004
    • Tony Christianson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Flip top valve for dry snorkels
    • Publication number 20040099264
    • Publication date May 27, 2004
    • Tony Christianson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Button locking carabiner
    • Publication number 20030106190
    • Publication date Jun 12, 2003
    • Tony Christianson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...