TREA

Sextants

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  • CPC
  • G01C1/08
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Parent Industries

GPHYSICS G01Measuring instruments G01CMEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY G01C1/00Measuring angles

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G01C1/08Sextants
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    System and method for a digital image sextant
    • Patent number 10,621,741
    • Issue date Apr 14, 2020
    • William Bertrand
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Navigation apparatus
    • Patent number 10,323,939
    • Issue date Jun 18, 2019
    • The United States of America as represented by the Secretary of the Air Force
    • Eric T. Vinande
    • F41 - WEAPONS
  • Information Patent Grant

    Method and apparatus for sight reduction
    • Patent number 6,038,777
    • Issue date Mar 21, 2000
    • William Cochran
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Drum screw with measuring drum for a sextant
    • Patent number 5,044,086
    • Issue date Sep 3, 1991
    • C. Plath
    • Gerd Finnern
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Apparatus for fine adjustment of a sextant
    • Patent number 5,031,327
    • Issue date Jul 16, 1991
    • C. Plath
    • Gerd Finnern
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sextant with adjustable handle
    • Patent number 4,972,592
    • Issue date Nov 27, 1990
    • C. Plath Fabrik nautischer Instrumente
    • Gerd Finnern
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical angle measuring instrument
    • Patent number 4,958,927
    • Issue date Sep 25, 1990
    • C. Plath Fabrik Nautischer Instrumente
    • Gerd Finnern
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Tree felling spotter
    • Patent number 4,953,303
    • Issue date Sep 4, 1990
    • Paul J. Carlin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Longitude location device
    • Patent number 4,910,875
    • Issue date Mar 27, 1990
    • Robert Compton
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Automatic sextant
    • Patent number 4,763,418
    • Issue date Aug 16, 1988
    • Kuau Technology, Ltd.
    • John A. Decker
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Automatic sextant
    • Patent number 4,707,926
    • Issue date Nov 24, 1987
    • Kuau Technology, Ltd.
    • John A. Decker
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sextant having a microprocessor for calculating the position of hea...
    • Patent number 4,702,011
    • Issue date Oct 27, 1987
    • Gordon B. Sigley
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Celestial navigator
    • Patent number 4,449,817
    • Issue date May 22, 1984
    • William L. Abler
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical device for vertically positioning a sextant
    • Patent number 4,428,671
    • Issue date Jan 31, 1984
    • Davis Instruments Corporation
    • Thomas D. Davies
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Image combining sextant or the like
    • Patent number 4,421,407
    • Issue date Dec 20, 1983
    • Davis Instruments
    • Angus MacDonald
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Passive optical rangefinder/sextant having search capability
    • Patent number 4,413,906
    • Issue date Nov 8, 1983
    • The United States of America as represented by the Secretary of the Navy
    • Sidney Feldman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Coatings for optical systems
    • Patent number 4,343,857
    • Issue date Aug 10, 1982
    • Goodyear Aerospace Corporation
    • John Uram
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Geodetic instrument
    • Patent number 4,339,198
    • Issue date Jul 13, 1982
    • Celenav Industries, Inc.
    • Fred A. Leuchter
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electronic sextant
    • Patent number 4,197,653
    • Issue date Apr 15, 1980
    • Darryl E. Laxo
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Passive optical rangefinder-sextant
    • Patent number 4,162,124
    • Issue date Jul 24, 1979
    • The United States of America as represented by the Secretary of the Navy
    • Sidney Feldman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Remote controlled, CRT digital display, LLLTV camera-sextant
    • Patent number 3,985,446
    • Issue date Oct 12, 1976
    • The United States of America as represented by the Secretary of the Navy
    • Sidney Feldman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electronic sextant
    • Patent number 3,968,570
    • Issue date Jul 13, 1976
    • Fred A. Leuchter
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3752591
    • Patent number 3,752,591
    • Issue date Aug 14, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3131249
    • Patent number 3,131,249
    • Issue date Apr 28, 1964
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3063332
    • Patent number 3,063,332
    • Issue date Nov 13, 1962
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3027797
    • Patent number 3,027,797
    • Issue date Apr 3, 1962
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2994245
    • Patent number 2,994,245
    • Issue date Aug 1, 1961
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2718704
    • Patent number 2,718,704
    • Issue date Sep 27, 1955
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2641521
    • Patent number 2,641,521
    • Issue date Jun 9, 1953
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2544441
    • Patent number 2,544,441
    • Issue date Mar 6, 1951
    • G01 - MEASURING TESTING