Inventor · disambiguated record
Douglas J. Herst
Also filed as: HERST DOUGLAS J
95 granted patents·2,780 citations·filing 1981–2024
99Inventor score
Files withPEERLESS LIGHTING CORP38ACUITY BRANDS INC35NSI ENTPR INC9HERST VENTURES INC4NSI ENTERPRISES INC4
Top patents by PatentIndex Score
95 records- 0199USD418626SSection of linear luminaire housingNSI ENTPR INC·Filed 1998·Granted Jan 4, 2000·131 cites·1 claims
- 0298USD349358SIndirect lighting fixturePEERLESS LIGHTING CORP·Filed 1993·Granted Aug 2, 1994·81 cites·1 claims
- 0397USD377993SIndirect lighting fixturePEERLESS LIGHTING CORP·Filed 1995·Granted Feb 11, 1997·79 cites·1 claims
- 0496USD330438SIndirect lighting fixturePEERLESS LIGHTING CORP·Filed 1992·Granted Oct 20, 1992·62 cites·1 claims
- 0595US6709131B1Luminaire having a mock light source for improved source brightness control and methodACUITY BRANDS INC·Filed 2000·Granted Mar 23, 2004·104 cites·44 claims
- 0695USD472668SLighting fixture housingACUITY BRANDS INC·Filed 2001·Granted Apr 1, 2003·51 cites·1 claims
- 0795US6345800B1Universal load-bearing hanger bracket and method for hanging a lighting fixture below a grid ceiling system at on-grid or off-grid locationsNSI ENTPR INC·Filed 1999·Granted Feb 12, 2002·169 cites·18 claims
- 0895USD421815SWall wash luminairePEERLESS LIGHTING CORP·Filed 1996·Granted Mar 21, 2000·54 cites·1 claims
- 0994USD1052586SComputer device support platformHERST VENTURES INC·Filed 2022·Granted Nov 26, 2024·2 cites·1 claims
- 1094USD500883SPortion of a luminous housing for a lighting fixtureACUITY BRANDS INC·Filed 2003·Granted Jan 11, 2005·53 cites·1 claims
- 1194USD397818SDirect indirect luminaire housingPEERLESS LIGHTING CORP·Filed 1996·Granted Sep 1, 1998·51 cites·1 claims
- 1294USD362315SDirect indirect fluorescent lighting fixtureHERST DOUGLAS J·Filed 1993·Granted Sep 12, 1995·50 cites·1 claims
- 1393USD472667SLighting fixture housingACUITY BRANDS INC·Filed 2001·Granted Apr 1, 2003·44 cites·1 claims
- 1492US5884994ADirect-indirect luminaire with improved down light controlPEERLESS LIGHTING CORP·Filed 1996·Granted Mar 23, 1999·73 cites·14 claims
- 1592USD348534SIndirect lighting fixturePEERLESS LIGHTING CORP·Filed 1993·Granted Jul 5, 1994·40 cites·1 claims
- 1692USD311967SWall mounted lensed indirect luminairePEERLESS LIGHTING CORP·Filed 1988·Granted Nov 6, 1990·33 cites·1 claims
- 1792USD311596SWall mounted lensed indirect luminairePEERLESS LIGHTING CORP·Filed 1988·Granted Oct 23, 1990·33 cites·1 claims
- 1891USD477105SLighting fixture assemblyACUITY BRANDS INC·Filed 2002·Granted Jul 8, 2003·43 cites·1 claims
- 1991USD405908SLuminairePEERLESS LIGHTING CORP·Filed 1997·Granted Feb 16, 1999·39 cites·1 claims
- 2090USD496746SLighting fixtureACUITY BRANDS INC·Filed 2003·Granted Sep 28, 2004·40 cites·1 claims
- 2190USD480172SLuminaireACUITY BRANDS INC·Filed 2002·Granted Sep 30, 2003·41 cites·1 claims
- 2290USD472665SLighting fixture housing endACUITY BRANDS INC·Filed 2001·Granted Apr 1, 2003·40 cites·1 claims
- 2390USD472666SLighting fixture housing endACUITY BRANDS INC·Filed 2001·Granted Apr 1, 2003·40 cites·1 claims
- 2490US4667275ALuminaire for indirect lightingPEERLESS LIGHTING CORP·Filed 1985·Granted May 19, 1987·55 cites·29 claims
- 2589USD480168SLuminaireACUITY BRANDS INC·Filed 2002·Granted Sep 30, 2003·39 cites·1 claims
- 2689US4573111ALinear light passing media having certain striped characteristicsHERST DOUGLAS J·Filed 1984·Granted Feb 25, 1986·49 cites·23 claims
- 2789US4390930AIndirect lighting fixture with improved light controlHERST LIGHTING CO·Filed 1981·Granted Jun 28, 1983·49 cites·18 claims
- 2888USD473007SLighting fixture housing edgeACUITY BRANDS INC·Filed 2001·Granted Apr 8, 2003·35 cites·1 claims
- 2988US6247828B1Unitary extruded housing for direct-indirect luminaireNSI ENTPR INC·Filed 1995·Granted Jun 19, 2001·49 cites·7 claims
- 3088USD348950SIndirect lighting fixturePEERLESS LIGHTING CORP·Filed 1993·Granted Jul 19, 1994·29 cites·1 claims
- 3188US4939627AIndirect luminaire having a secondary source induced low brightness lens elementPEERLESS LIGHTING CORP·Filed 1989·Granted Jul 3, 1990·61 cites·11 claims
- 3288USD274657SLuminaire for indirect lightingHERST LIGHTING CO·Filed 1982·Granted Jul 10, 1984·28 cites·1 claims
- 3387USD318929SIndirect luminairePEERLESS LIGHTING CORP·Filed 1989·Granted Aug 6, 1991·25 cites·1 claims
- 3486US6769785B1Edge connectable lighting fixture assemblyACUITY BRANDS INC·Filed 2003·Granted Aug 3, 2004·58 cites·41 claims
- 3586USD405907SLuminairePEERLESS LIGHTING CORP·Filed 1997·Granted Feb 16, 1999·30 cites·1 claims
- 3686US4420798AAdjustable overhead lighting systemHERST LIGHTING CO·Filed 1981·Granted Dec 13, 1983·64 cites·21 claims
- 3785USD404161SLuminairePEERLESS LIGHTING CORP·Filed 1997·Granted Jan 12, 1999·28 cites·1 claims
- 3883US11913601B2Universal support apparatus for camera enabled mobile computer devicesHERST VENTURES INC·Filed 2022·Granted Feb 27, 2024·1 cites·24 claims
- 3983USD480501SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 7, 2003·28 cites·1 claims
- 4083USD480502SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 7, 2003·29 cites·1 claims
- 4183USD480503SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 7, 2003·28 cites·1 claims
- 4283USD480500SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 7, 2003·29 cites·1 claims
- 4383USD426338SHousing for mostly indirect luminaireNSI ENTERPRISES INC·Filed 1997·Granted Jun 6, 2000·26 cites·1 claims
- 4483USD401001SDirect-indirect luminaire housingPEERLESS LIGHTING CORP·Filed 1997·Granted Nov 10, 1998·26 cites·1 claims
- 4582USD481488SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 28, 2003·27 cites·1 claims
- 4682USD401000SDirect-indirect luminaire housingPEERLESS LIGHTING CORP·Filed 1996·Granted Nov 10, 1998·25 cites·1 claims
- 4782USD348533SIndirect lighting fixturePEERLESS LIGHTING CORP·Filed 1993·Granted Jul 5, 1994·22 cites·1 claims
- 4882US4644454ALensed indirect luminaire having improved light distribution controlPEERLESS LIGHTING CORP·Filed 1984·Granted Feb 17, 1987·33 cites·9 claims
- 4981US12467584B2Universal support platform for camera enabled mobile computer devicesHERST VENTURES INC·Filed 2024·Granted Nov 11, 2025·0 cites·12 claims
- 5081USD414580SDirect-indirect luminaire housingNSI ENTPR INC·Filed 1998·Granted Sep 28, 1999·23 cites·1 claims
Showing the top 50 of 95 patent records by PatentIndex Score.
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