Individual holder
ENGEL HARTMUT S
DE·29 granted patents·2 pending applications·359 citations·filing 1986–2020
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
31 records- 0192US4933820ALighting systemENGEL HARTMUT S·Filed 1989·Granted Jun 12, 1990·52 cites·1 claims
- 0288USD568522SLighting fixtureENGEL HARTMUT S·Filed 2006·Granted May 6, 2008·29 cites·1 claims
- 0386USD514731SLighting unitENGEL HARTMUT S·Filed 2004·Granted Feb 7, 2006·31 cites·1 claims
- 0481US7841738B2Luminaire having light emitting diodes (leds) directed to a reflectorENGEL HARTMUT S·Filed 2008·Granted Nov 30, 2010·16 cites·20 claims
- 0580USD578237STri-light lighting fixtureENGEL HARTMUT S·Filed 2006·Granted Oct 7, 2008·19 cites·1 claims
- 0677US7465070B2Illumination deviceENGEL HARTMUT S·Filed 2004·Granted Dec 16, 2008·23 cites·20 claims
- 0775US7607795B2Locking mechanism for light fittingsENGEL HARTMUT S·Filed 2005·Granted Oct 27, 2009·9 cites·15 claims
- 0873US7874696B2Wall luminaireENGEL HARTMUT S·Filed 2008·Granted Jan 25, 2011·9 cites·24 claims
- 0973US7857493B2LuminaireENGEL HARTMUT S·Filed 2008·Granted Dec 28, 2010·7 cites·15 claims
- 1072USD520172SLighting unitENGEL HARTMUT S·Filed 2005·Granted May 2, 2006·18 cites·1 claims
- 1169USD574542SLampENGEL HARTMUT S·Filed 2006·Granted Aug 5, 2008·16 cites·1 claims
- 1265US5062029AAdjustable spotlightENGEL HARTMUT S·Filed 1990·Granted Oct 29, 1991·28 cites·24 claims
- 1363US7611257B2Lighting fixture closing mechanismENGEL HARTMUT S·Filed 2004·Granted Nov 3, 2009·9 cites·9 claims
- 1462USD573744SLampENGEL HARTMUT S·Filed 2006·Granted Jul 22, 2008·12 cites·1 claims
- 1560US7753550B2Recessed lighting fixtureENGEL HARTMUT S·Filed 2004·Granted Jul 13, 2010·9 cites·21 claims
- 1659US7914170B2Interior lightENGEL HARTMUT S·Filed 2006·Granted Mar 29, 2011·2 cites·23 claims
- 1759US7635207B2Recessed lightENGEL HARTMUT S·Filed 2005·Granted Dec 22, 2009·1 cites·16 claims
- 1859USD578692SDual-light lighting fixtureENGEL HARTMUT S·Filed 2006·Granted Oct 14, 2008·8 cites·1 claims
- 1957US12031344B2Sanitary installation and associated angled doorENGEL HARTMUT S·Filed 2020·Granted Jul 9, 2024·0 cites·15 claims
- 2057US7744253B2Built-in lightENGEL HARTMUT S·Filed 2004·Granted Jun 29, 2010·6 cites·16 claims
- 2154US7780316B2Built-in lampENGEL HARTMUT S·Filed 2004·Granted Aug 24, 2010·5 cites·15 claims
- 2251US4850647AChairENGEL HARTMUT S·Filed 1987·Granted Jul 25, 1989·18 cites·42 claims
- 2350US2009034253A1LuminaireENGEL HARTMUT S·Filed 2008·Application pending·0 cites
- 2449US2013294074A1LampENGEL HARTMUT S·Filed 2013·Application pending·0 cites
- 2547US7780308B2Recessed lightENGEL HARTMUT S·Filed 2006·Granted Aug 24, 2010·0 cites·26 claims
- 2645US4991065ALighting systemENGEL HARTMUT S·Filed 1989·Granted Feb 5, 1991·12 cites·17 claims
- 2741US4731711ALighting systemENGEL HARTMUT S·Filed 1986·Granted Mar 15, 1988·10 cites·17 claims
- 2840USD573746SLampENGEL HARTMUT S·Filed 2006·Granted Jul 22, 2008·3 cites·1 claims
- 2940USD573745SLampENGEL HARTMUT S·Filed 2006·Granted Jul 22, 2008·3 cites·1 claims
- 3036USD574101SLighting fixtureENGEL HARTMUT S·Filed 2006·Granted Jul 29, 2008·2 cites·1 claims
- 3131US4700279ASpotlight incorporating a power supplyENGEL HARTMUT S·Filed 1986·Granted Oct 13, 1987·2 cites·15 claims
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