TREA

Non-circular-curve-drawing instruments

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Industry

  • CPC
  • B43L11/00
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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

Current Industry

B43L11/00Non-circular-curve-drawing instruments

Sub Industries

B43L11/005pendulum-actuated B43L11/02for drawing conic sections B43L11/04for drawing ellipses B43L11/041by means of a compass B43L11/043with stencils B43L11/045with cords or like flexible elements B43L11/05with gears B43L11/055with guides B43L11/06for drawing spirals B43L11/08for drawing involutes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pattern maker
    • Patent number 11,975,563
    • Issue date May 7, 2024
    • Crayola LLC
    • Joseph Thomas Moll
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Spiral art device
    • Patent number 10,864,766
    • Issue date Dec 15, 2020
    • Crayola, LLC
    • John D. McBride
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen track
    • Patent number 9,925,822
    • Issue date Mar 27, 2018
    • Yung-Peng Chiu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Scalable rules capable of creating size-adjustable circles, arcs, a...
    • Patent number 9,772,172
    • Issue date Sep 26, 2017
    • Frank Pinal
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drawing device for creating mandala
    • Patent number 8,458,918
    • Issue date Jun 11, 2013
    • Ostberg Design APS
    • Mette Østberg
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    Thread ruler and a multi-function drafting instrument
    • Patent number 7,080,459
    • Issue date Jul 25, 2006
    • Ashfaq A. Khan
    • 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

    Freehand writing instrument
    • Patent number 6,499,896
    • Issue date Dec 31, 2002
    • Lori Sickler
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Oval cutter
    • Patent number 6,374,503
    • Issue date Apr 23, 2002
    • Alterra Holdings Corporation
    • Christopher Carlson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipsograph
    • Patent number 6,308,426
    • Issue date Oct 30, 2001
    • Hyoun-Gyu Lim
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ellipse drawing/cutting device
    • Patent number 6,276,067
    • Issue date Aug 21, 2001
    • Welter's Co., Ltd.
    • Walter W. Hsu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Oval cutter
    • Patent number 6,158,133
    • Issue date Dec 12, 2000
    • Fiskars Inc.
    • Christopher Carlson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Powered toy hand drawing device
    • Patent number 5,933,970
    • Issue date Aug 10, 1999
    • 4Kidz, Inc.
    • James Diresta
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Design drawing device
    • Patent number 5,918,373
    • Issue date Jul 6, 1999
    • Charles Arnold Cummings
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Conic section compass
    • Patent number 5,870,830
    • Issue date Feb 16, 1999
    • Yen-Hung Wu
    • 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

    Drawing device
    • Patent number 5,709,033
    • Issue date Jan 20, 1998
    • Charles Arnold Cummings
    • 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

    Compass able to draw any-size ellipses
    • Patent number 5,546,664
    • Issue date Aug 20, 1996
    • Ming-Shish Kuo
    • 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

    Gear socket structure for a designing rule
    • Patent number 5,357,681
    • Issue date Oct 25, 1994
    • Ming-Chieh Chen
    • 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

    Design-making instrument
    • Patent number 5,134,778
    • Issue date Aug 4, 1992
    • Patrick MacCarthy
    • 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

    Irregular surface ellipsograph
    • Patent number 5,123,171
    • Issue date Jun 23, 1992
    • Charles F. Langston
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Structure of isometric ellipse scale
    • Patent number 5,065,523
    • Issue date Nov 19, 1991
    • Chieh-Tseng Chiang
    • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    PATTERN MAKER
    • Publication number 20230133300
    • Publication date May 4, 2023
    • Crayola LLC
    • JOSEPH THOMAS MOLL
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Spiral Art Device
    • Publication number 20190023059
    • Publication date Jan 24, 2019
    • Crayola, LLC
    • JOHN D. McBRIDE
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SCALABLE RULER CAPABLE OF CREATING SIZE-ADJUSTABLE CIRCLES, ARCS, &...
    • Publication number 20140373367
    • Publication date Dec 25, 2014
    • KOALA TOOLS, LLC
    • Frank Pinal
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    DRAWING DEVICE FOR CREATING MANDALA
    • Publication number 20120210587
    • Publication date Aug 23, 2012
    • Mette Østberg
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Adjustable Rotary Structure
    • Publication number 20090151175
    • Publication date Jun 18, 2009
    • Tsai-Lian Chen LIN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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
  • 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

    Curve creator and duplicator
    • Publication number 20010029679
    • Publication date Oct 18, 2001
    • Joseph Carl Peters
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES