TREA

Compasses

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Industry

  • CPC
  • B43L9/02
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING B43L9/00Circular curve-drawing or like instruments

Current Industry

B43L9/02Compasses
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Centerless drafting tool
    • Patent number 11,999,186
    • Issue date Jun 4, 2024
    • Glen Kalen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multifunctional writing device for automatic exam proctoring and gr...
    • Patent number 11,084,318
    • Issue date Aug 10, 2021
    • hetal b. Kurani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cutting device for cutting of a round
    • Patent number 10,471,616
    • Issue date Nov 12, 2019
    • National Taiwan Normal University
    • Jung-Hsuan Chen
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Pair of compasses
    • Patent number 8,132,333
    • Issue date Mar 13, 2012
    • Draw.Tec GmbH & Co. KG
    • Oliver Seelig
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Compasses writing implement
    • Patent number 8,042,278
    • Issue date Oct 25, 2011
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Compass having a leg joint and information bearing surfaces
    • Patent number 7,937,843
    • Issue date May 10, 2011
    • Intertech Zeichengeraete GmbH
    • Günther Partes
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Measuring compass
    • Patent number 7,640,671
    • Issue date Jan 5, 2010
    • Yu-Ming Tu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pivot pencil
    • Patent number 7,490,410
    • Issue date Feb 17, 2009
    • Gregory R. Ordaz
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Compass and ellipsograph for persons with manual limitations
    • Patent number 6,981,328
    • Issue date Jan 3, 2006
    • Roy O. Solum
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable point compass
    • Patent number 6,964,103
    • Issue date Nov 15, 2005
    • Acme United Corporation
    • Chris Chudek
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Auxiliary drafting instrument combination applicable to digital board
    • Patent number 6,886,263
    • Issue date May 3, 2005
    • Hsien-Chung Chou
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Protective member for compass pins
    • Patent number 6,871,406
    • Issue date Mar 29, 2005
    • Sal Robert Elia
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Device for describing arcs
    • Patent number 5,542,185
    • Issue date Aug 6, 1996
    • Fiskars Inc.
    • James C. Boda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Combination tool assembly for graphic art
    • Patent number 5,233,715
    • Issue date Aug 10, 1993
    • Ming-Tzung Huang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-purpose combination writing instrument
    • Patent number 4,815,881
    • Issue date Mar 28, 1989
    • Biing-Hwang Chern
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Compass
    • Patent number 4,662,076
    • Issue date May 5, 1987
    • Mohammad M. Saadat
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    School utensil and toy robot
    • Patent number 4,561,184
    • Issue date Dec 31, 1985
    • Kabushiki Kaisha Gakushu Kenkyusha
    • Takashi Fujitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drawing compass apparatus
    • Patent number 4,542,587
    • Issue date Sep 24, 1985
    • Clarence A. Emerson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Scribing compass for marking logs for notching and fitting
    • Patent number 4,318,226
    • Issue date Mar 9, 1982
    • Harold J. Engelhart
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Universal compass
    • Patent number 4,170,824
    • Issue date Oct 16, 1979
    • Tom T. Mikulin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Plastic injection molded bow compass
    • Patent number 4,120,092
    • Issue date Oct 17, 1978
    • Goodwin F. Hanson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Marker compass
    • Patent number 4,106,200
    • Issue date Aug 15, 1978
    • David Maxwell
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3797117
    • Patent number 3,797,117
    • Issue date Mar 19, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3683505
    • Patent number 3,683,505
    • Issue date Aug 15, 1972
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3662468
    • Patent number 3,662,468
    • Issue date May 16, 1972
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3628251
    • Patent number 3,628,251
    • Issue date Dec 21, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3537181
    • Patent number 3,537,181
    • Issue date Nov 3, 1970
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3529355
    • Patent number 3,529,355
    • Issue date Sep 22, 1970
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3504439
    • Patent number 3,504,439
    • Issue date Apr 7, 1970
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3247597
    • Patent number 3,247,597
    • Issue date Apr 26, 1966
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS AND PROCESS FOR DRAWING LINES
    • Publication number 20190204936
    • Publication date Jul 4, 2019
    • Kronos S.r.l.
    • Roberto LEPORATI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CUTTING DEVICE FOR CUTTING OF A ROUND
    • Publication number 20190001514
    • Publication date Jan 3, 2019
    • National Taiwan Normal University
    • Jung-Hsuan Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COMPASS HAVING A LEG JOINT AND INFORMATION BEARING SURFACES
    • Publication number 20110000094
    • Publication date Jan 6, 2011
    • INTERTECH ZEICHENGERATE GMBH
    • Gunther Partes
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PAIR OF COMPASSES
    • Publication number 20100307014
    • Publication date Dec 9, 2010
    • DRAW.TEC GMBH & CO. KG
    • Oliver Seelig
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COMPASSES WRITING IMPLEMENT
    • Publication number 20100139104
    • Publication date Jun 10, 2010
    • KUM Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MEASURING COMPASS
    • Publication number 20100000101
    • Publication date Jan 7, 2010
    • Yu-Ming Tu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Compass with Leg Joint and Information Bearing Surfaces
    • Publication number 20080250658
    • Publication date Oct 16, 2008
    • INTERTECH ZEICHENGERATE GMBH
    • Gunther Partes
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pivot pencil
    • Publication number 20070245577
    • Publication date Oct 25, 2007
    • Gregory R. Ordaz
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Retractable point compass
    • Publication number 20050050744
    • Publication date Mar 10, 2005
    • ACME United Corporation
    • Chris Chudek
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Compass and ellipsograph for persons with manual limitations
    • Publication number 20040226180
    • Publication date Nov 18, 2004
    • Roy O. Solum
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Cable compass
    • Publication number 20040216312
    • Publication date Nov 4, 2004
    • James J. Harris
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Cable compass
    • Publication number 20030196340
    • Publication date Oct 23, 2003
    • James J. Harris
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Compass
    • Publication number 20030079354
    • Publication date May 1, 2003
    • Mark A. McLean
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Auxiliary drafting instrument combination applicable to digital board
    • Publication number 20020189113
    • Publication date Dec 19, 2002
    • Hsien-Chung Chou
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES