TREA

with gears

Follow

Industry

  • CPC
  • B43L11/05
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING B43L11/00Non-circular-curve-drawing instruments

Current Industry

B43L11/05with gears
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Drawing apparatus
    • Patent number 7,546,686
    • Issue date Jun 16, 2009
    • Genie Toys PLC
    • Casey William Norman
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Instrument for drawing ellipse or the like
    • Patent number 7,461,459
    • Issue date Dec 9, 2008
    • Yu-Hui Lin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Line-drawing toy
    • Patent number 5,752,870
    • Issue date May 19, 1998
    • Hasbro, Inc.
    • Hideyasu Karasawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipse Scribe
    • Patent number 5,555,631
    • Issue date Sep 17, 1996
    • Daniel J. Houston
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Device for circumscribing circles and ellipses
    • Patent number 5,526,573
    • Issue date Jun 18, 1996
    • The Fletcher-Terry Company
    • Alan R. Peters
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Device for circumscribing circles and ellipses
    • Patent number 5,430,946
    • Issue date Jul 11, 1995
    • The Fletcher-Terry Company
    • Alan R. Peters
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Device for drawing elliptical curves
    • Patent number 5,189,800
    • Issue date Mar 2, 1993
    • Shiro Morita
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipsograph as a drafting tool
    • Patent number 5,123,170
    • Issue date Jun 23, 1992
    • Castaneda-Mori Enrique
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipsograph
    • Patent number 5,058,282
    • Issue date Oct 22, 1991
    • Albert G. Coll
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipsograph structure
    • Patent number 5,056,230
    • Issue date Oct 15, 1991
    • Yuk L. Lok
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipsograph
    • Patent number 4,688,331
    • Issue date Aug 25, 1987
    • Xingdi Shen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipsograph
    • Patent number 4,447,954
    • Issue date May 15, 1984
    • Marian Poll
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Apparatus for cutting and/or scribing circles and ovals
    • Patent number 4,407,074
    • Issue date Oct 4, 1983
    • Buford B. Ledbetter
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipsograph
    • Patent number 4,356,633
    • Issue date Nov 2, 1982
    • Marian Poll
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Device for describing an ellipse
    • Patent number 4,244,106
    • Issue date Jan 13, 1981
    • Donald C. Pierce
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipsograph
    • Patent number 4,226,022
    • Issue date Oct 7, 1980
    • Jen-Sheng Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Apparatus for tracing ellipses
    • Patent number 4,166,320
    • Issue date Sep 4, 1979
    • Pierre Magnat
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Oval compass
    • Patent number 4,148,144
    • Issue date Apr 10, 1979
    • Norman; Ron L.
    • Walter E. Stiles
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipsograph
    • Patent number 4,048,724
    • Issue date Sep 20, 1977
    • Paul H. Keuver
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipse drawing instrument
    • Patent number 4,014,101
    • Issue date Mar 29, 1977
    • Shinichi Yamaoka
    • Suehiro Mizukawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3854213
    • Patent number 3,854,213
    • Issue date Dec 17, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3834028
    • Patent number 3,834,028
    • Issue date Sep 10, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3808691
    • Patent number 3,808,691
    • Issue date May 7, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3562915
    • Patent number 3,562,915
    • Issue date Feb 16, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3331133
    • Patent number 3,331,133
    • Issue date Jul 18, 1967
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3323214
    • Patent number 3,323,214
    • Issue date Jun 6, 1967
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3114974
    • Patent number 3,114,974
    • Issue date Dec 24, 1963
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2996804
    • Patent number 2,996,804
    • Issue date Aug 22, 1961
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2961769
    • Patent number 2,961,769
    • Issue date Nov 29, 1960
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2926423
    • Patent number 2,926,423
    • Issue date Mar 1, 1960
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    DRAWING APPARATUS
    • Publication number 20090139099
    • Publication date Jun 4, 2009
    • Casey William Norman
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Instrument for drawing ellipse or the like
    • Publication number 20080168668
    • Publication date Jul 17, 2008
    • Yu-Hui Lin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES