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Fritz Luttgens

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  • Erlangen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pencil sharpener
    • Patent number 11,999,185
    • Issue date Jun 4, 2024
    • Fritz Lüttgens
    • B08 - CLEANING
  • Information Patent Grant

    Pencil sharpener and method of producing it
    • Patent number 8,769,835
    • Issue date Jul 8, 2014
    • Kum Limited
    • Fritz Lüttgens
    • 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

    Pencil sharpener
    • Patent number 7,363,714
    • Issue date Apr 29, 2008
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener
    • Patent number 7,225,547
    • Issue date Jun 5, 2007
    • KUM Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener for an oval pencil
    • Patent number 7,036,231
    • Issue date May 2, 2006
    • KUM Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener for soft-core pencils
    • Patent number 6,976,314
    • Issue date Dec 20, 2005
    • KUM Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Self-cleaning pencil
    • Patent number 6,722,803
    • Issue date Apr 20, 2004
    • KUM Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener for sharpening a soft-core pencil
    • Patent number 6,634,108
    • Issue date Oct 21, 2003
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener, in particular for soft-core pencils
    • Patent number 6,397,479
    • Issue date Jun 4, 2002
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Hand-held sharpener as a container-type sharpener
    • Patent number 6,381,856
    • Issue date May 7, 2002
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener unit
    • Patent number 6,334,256
    • Issue date Jan 1, 2002
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener for soft-core pencils
    • Patent number 6,301,791
    • Issue date Oct 16, 2001
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener, in particular for soft-core pencils
    • Patent number 6,286,218
    • Issue date Sep 11, 2001
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener
    • Patent number 6,279,237
    • Issue date Aug 28, 2001
    • Kum Limited
    • Fritz Lüttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Sharpener for soft core pencils
    • Patent number 5,894,669
    • Issue date Apr 20, 1999
    • KUM GmbH & Co., Kunststoff- und Metallwarenfabrik
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Soft core pencil sharpener including cleaning shaper
    • Patent number 5,845,406
    • Issue date Dec 8, 1998
    • KUM GmbH & Co. KG Kunststoff- und Metallwarenfabrik
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Pencil sharpener
    • Publication number 20220324251
    • Publication date Oct 13, 2022
    • Fritz Luttgens
    • B08 - CLEANING
  • Information Patent Application

    PENCIL SHARPENER HAVING A GUIDE ELEMENT FOR DISCHARGING SHAVINGS
    • Publication number 20180281505
    • Publication date Oct 4, 2018
    • Fritz Luttgens
    • 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

    Sharpener Blade
    • Publication number 20080178476
    • Publication date Jul 31, 2008
    • KUM Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Office or cosmetics article
    • Publication number 20070172679
    • Publication date Jul 26, 2007
    • KUM Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil sharpener and method of producing it
    • Publication number 20070137051
    • Publication date Jun 21, 2007
    • KUM Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil sharpener
    • Publication number 20070044327
    • Publication date Mar 1, 2007
    • Kum Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil sharpener
    • Publication number 20060242846
    • Publication date Nov 2, 2006
    • Kum Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Sharpener with integrated pencil cap
    • Publication number 20060080846
    • Publication date Apr 20, 2006
    • Kum Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Sharpener for an oval pencil
    • Publication number 20050257386
    • Publication date Nov 24, 2005
    • Kum Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil sharpener
    • Publication number 20050257387
    • Publication date Nov 24, 2005
    • Kum Limited
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SELF-CLEANING PENCIL
    • Publication number 20040042837
    • Publication date Mar 4, 2004
    • KUM Limited, IE - Trim, Co.
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Sharpener for soft-core pencils
    • Publication number 20040010927
    • Publication date Jan 22, 2004
    • KUM Limited, IE - Trim, Co.
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Sharpener for sharpening a soft-core pencil
    • Publication number 20030014870
    • Publication date Jan 23, 2003
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Holding device for a sharpener
    • Publication number 20010052188
    • Publication date Dec 20, 2001
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Hand-held sharpener as a container-type sharpener
    • Publication number 20010016989
    • Publication date Aug 30, 2001
    • Fritz Luttgens
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES