Inventor
ENGEL HARTMUT S
DE49 patents
⚠️ This page may combine multiple inventors who share the name “ENGEL HARTMUT S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENGEL HARTMUT S
29 patentsUS4933820AJun 12, 1990
Lighting system
ENGEL HARTMUT S52 citations96
US7465070B2Dec 16, 2008
Illumination device
ENGEL HARTMUT S23 citations93
USD578237SOct 7, 2008
Tri-light lighting fixture
ENGEL HARTMUT S19 citations93
USD568522SMay 6, 2008
Lighting fixture
ENGEL HARTMUT S29 citations93
USD520172SMay 2, 2006
Lighting unit
ENGEL HARTMUT S18 citations93
USD514731SFeb 7, 2006
Lighting unit
ENGEL HARTMUT S31 citations93
US5062029AOct 29, 1991
Adjustable spotlight
ENGEL HARTMUT S28 citations93
US7874696B2Jan 25, 2011
Wall luminaire
ENGEL HARTMUT S9 citations84
US7841738B2Nov 30, 2010
Luminaire having light emitting diodes (leds) directed to a reflector
ENGEL HARTMUT S16 citations84
US7753550B2Jul 13, 2010
Recessed lighting fixture
ENGEL HARTMUT S9 citations84
US7611257B2Nov 3, 2009
Lighting fixture closing mechanism
ENGEL HARTMUT S9 citations84
US7607795B2Oct 27, 2009
Locking mechanism for light fittings
ENGEL HARTMUT S9 citations84
USD574542SAug 5, 2008
Lamp
ENGEL HARTMUT S16 citations84
USD573744SJul 22, 2008
Lamp
ENGEL HARTMUT S12 citations84
US7857493B2Dec 28, 2010
Luminaire
ENGEL HARTMUT S7 citations74
USD578692SOct 14, 2008
Dual-light lighting fixture
ENGEL HARTMUT S8 citations74
US4991065AFeb 5, 1991
Lighting system
ENGEL HARTMUT S12 citations74
US4850647AJul 25, 1989
Chair
ENGEL HARTMUT S18 citations74
US4731711AMar 15, 1988
Lighting system
ENGEL HARTMUT S10 citations74
US12031344B2Jul 9, 2024
Sanitary installation and associated angled door
ENGEL HARTMUT S0 citations63
US7914170B2Mar 29, 2011
Interior light
ENGEL HARTMUT S2 citations63
US7780316B2Aug 24, 2010
Built-in lamp
ENGEL HARTMUT S5 citations63
US7744253B2Jun 29, 2010
Built-in light
ENGEL HARTMUT S6 citations63
USD574101SJul 29, 2008
Lighting fixture
ENGEL HARTMUT S2 citations63
USD573745SJul 22, 2008
Lamp
ENGEL HARTMUT S3 citations63
USD573746SJul 22, 2008
Lamp
ENGEL HARTMUT S3 citations63
US4700279AOct 13, 1987
Spotlight incorporating a power supply
ENGEL HARTMUT S2 citations63
US7635207B2Dec 22, 2009
Recessed light
ENGEL HARTMUT S1 citations52
US7780308B2Aug 24, 2010
Recessed light
ENGEL HARTMUT S0 citations42
(unassigned)
5 patentsUS6523974B2Feb 25, 2003
Lamp cover
69 citations96
USD493244SJul 20, 2004
Lighting unit
20 citations93
USD481149SOct 21, 2003
Light
18 citations93
US5967646AOct 19, 1999
Overhead lamp with elongated light source and flux splitting hour glass shaped globe mounted reflector
10 citations74
US5685633ANov 11, 1997
Lamp for elongate lighting means
12 citations74