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Hartmut Engel

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  • 7141 Freiberg am Neckar, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lamp, especially suspended lamp, comprising a first and a second li...
    • Patent number 8,317,354
    • Issue date Nov 27, 2012
    • Zumtobel Lighting GmbH
    • Patrick Gassner
    • F21 - LIGHTING
  • Information Patent Grant

    Interior light
    • Patent number 7,914,170
    • Issue date Mar 29, 2011
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Wall luminaire
    • Patent number 7,874,696
    • Issue date Jan 25, 2011
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Luminaire
    • Patent number 7,857,493
    • Issue date Dec 28, 2010
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Luminaire having light emitting diodes (leds) directed to a reflector
    • Patent number 7,841,738
    • Issue date Nov 30, 2010
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Recessed light
    • Patent number 7,780,308
    • Issue date Aug 24, 2010
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Built-in lamp
    • Patent number 7,780,316
    • Issue date Aug 24, 2010
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Recessed lighting fixture
    • Patent number 7,753,550
    • Issue date Jul 13, 2010
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Built-in light
    • Patent number 7,744,253
    • Issue date Jun 29, 2010
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Recessed light
    • Patent number 7,635,207
    • Issue date Dec 22, 2009
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting fixture closing mechanism
    • Patent number 7,611,257
    • Issue date Nov 3, 2009
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Locking mechanism for light fittings
    • Patent number 7,607,795
    • Issue date Oct 27, 2009
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Illumination device
    • Patent number 7,465,070
    • Issue date Dec 16, 2008
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Dual-light lighting fixture
    • Patent number D578692
    • Issue date Oct 14, 2008
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Tri-light lighting fixture
    • Patent number D578237
    • Issue date Oct 7, 2008
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lamp
    • Patent number D574542
    • Issue date Aug 5, 2008
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lighting fixture
    • Patent number D574101
    • Issue date Jul 29, 2008
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lamp
    • Patent number D573745
    • Issue date Jul 22, 2008
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lamp
    • Patent number D573744
    • Issue date Jul 22, 2008
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lamp
    • Patent number D573746
    • Issue date Jul 22, 2008
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lighting fixture
    • Patent number D568522
    • Issue date May 6, 2008
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lighting unit
    • Patent number D520172
    • Issue date May 2, 2006
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lighting unit
    • Patent number D514731
    • Issue date Feb 7, 2006
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lighting unit
    • Patent number D493244
    • Issue date Jul 20, 2004
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Light
    • Patent number D481149
    • Issue date Oct 21, 2003
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lamp cover
    • Patent number 6,523,974
    • Issue date Feb 25, 2003
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Overhead lamp with elongated light source and flux splitting hour g...
    • Patent number 5,967,646
    • Issue date Oct 19, 1999
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Light fixture
    • Patent number D386804
    • Issue date Nov 25, 1997
    • Luederlitz Licht GmbH
    • Hartmut S. Engel
    • D26 - Lighting
  • Information Patent Grant

    Lamp for elongate lighting means
    • Patent number 5,685,633
    • Issue date Nov 11, 1997
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Grant

    Chair
    • Patent number D341951
    • Issue date Dec 7, 1993
    • Roeder GmbH Sitzmoebelwerke
    • Hartmut S. Engel
    • D06 - Furnishings

Patents Applicationslast 30 patents

  • Information Patent Application

    LAMP
    • Publication number 20130294074
    • Publication date Nov 7, 2013
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    LAMP, ESPECIALLY SUSPENDED LAMP, COMPRISING A FIRST AND A SECOND LI...
    • Publication number 20100067236
    • Publication date Mar 18, 2010
    • ZUMTOBEL LIGHTING GMBH
    • Patrick Gassner
    • F21 - LIGHTING
  • Information Patent Application

    Interior light
    • Publication number 20090225537
    • Publication date Sep 10, 2009
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Wall Luminaire
    • Publication number 20090034242
    • Publication date Feb 5, 2009
    • Hartmut S. Engel
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Luminaire
    • Publication number 20090034252
    • Publication date Feb 5, 2009
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Luminaire
    • Publication number 20090034253
    • Publication date Feb 5, 2009
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Luminaire
    • Publication number 20090034256
    • Publication date Feb 5, 2009
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Built-In Lamp
    • Publication number 20080266851
    • Publication date Oct 30, 2008
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Locking Mechanism for Light Fittings
    • Publication number 20080186719
    • Publication date Aug 7, 2008
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Recessed Light
    • Publication number 20080130291
    • Publication date Jun 5, 2008
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Illumination Device
    • Publication number 20080025021
    • Publication date Jan 31, 2008
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Closing Mechanism for Lampa
    • Publication number 20070279896
    • Publication date Dec 6, 2007
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Recessed Lighting Fixture
    • Publication number 20070274081
    • Publication date Nov 29, 2007
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Recessed Light
    • Publication number 20070230193
    • Publication date Oct 4, 2007
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Built-in light
    • Publication number 20060245178
    • Publication date Nov 2, 2006
    • Hartmut S. Engel
    • F21 - LIGHTING
  • Information Patent Application

    Lamp cover
    • Publication number 20020003698
    • Publication date Jan 10, 2002
    • Hartmut S. Engel
    • F21 - LIGHTING