Inventor

David H. Porter

Inventor

Chagrin Falls, OH, US

Overview

101→

Patents

1977–2021

Patent span

LOC

Primary field

Patents· 101 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

LOC26primary

LOC2657%

F21VFunctional features or details of lighting devices or systems thereof7%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals5%

F21SNon-portable lighting devices5%

C02FTreatment of water, waste water, sewage, or sludge4%

F04DNon-positive-displacement pumps3%

F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems3%

C25DProcesses for the electrolytic or electrophoretic production of coatings1%

PatentTitleYear

11,069,883Galvanic metal-water cell with nickel-molybdenum cathode2021 11,063,276Pumpless electrochemical cell2021 10,230,119Water management in electrochemical systems2019 10,147,961Waste management in electrochemical systems2018 10,003,095Waste management in electrochemical systems2018 9,909,590'Compact ceiling fans'2018 D0578244'Lighting fixture'2008 D0578247'Light fixture'2008 D0576761'Lighting fixture'2008 D0576339'Light fixture'2008 D0570523'Lighting fixture'2008 D0564123'Lighting fixture'2008 D0559425'Lighting fixture'2008 7,261,519'Assembly including a fixture and self-aligning chain'2007 D0530845'Lighting fixture'2006 D0512177'Lighting fixture'2005 D0511858'Lighting fixture'2005 D0510452'Lighting fixture'2005 D0446876'Lighting fixture'2001 D0437445'Electric light housing'2001 D0436418'Chandelier'2001 D0425236'Lighting fixture'2000 D0418619'Outdoor address light'2000 D0416350'Outdoor fixture shade'1999 D0415302'Chandelier'1999 D0410101'Chandelier'1999 D0409782'Chandelier'1999 D0409781'Chandelier'1999 D0408095'Chandelier'1999 D0406374'Outdoor path light'1999 D0405216'Backplate'1999 D0404843'Chandelier'1999 5,806,973'Lamp with illuminated body'1998 5,749,643'Step light with diffuser'1998 D0392765'Lamp'1998 D0391004'Portion of a lamp'1998 D0391003'Lighting fixture'1998 D0389266'Outdoor fixture'1998 D0389269'Lamp housing for an outdoor light fixture'1998 D0386810'Wall lamp support'1997 D0386280'Chandelier'1997 D0385375'Wall light'1997 D0385380'Suspended lighting fixture'1997 D0385381'Chandelier'1997 D0384180'Lamp'1997 D0383871'Lamp base'1997 D0383237'Outdoor lighting fixture'1997 D0383239'Outdoor lighting fixture'1997 D0382079'Outdoor lighting fixture'1997 D0380573'Torchiere lamp base'1997 D0380576'Table lamp base'1997 D0380570'Chandelier'1997 D0377541'Outdoor post lamp'1997 D0373439'Table lamp base'1996 D0373213'Chandelier'1996 D0373004'Chandelier'1996 D0373002'Chandelier'1996 D0372552'Chandelier'1996 D0372322'Ceiling mounted lighting fixture'1996 D0371860'Glass lighting fixture shade'1996 D0371621'Chandelier'1996 D0370545'Suspended lighting fixture'1996 D0367724'Wall lantern'1996 D0367334'Chandelier'1996 D0366714'Chandelier'1996 D0366719'Table lamp base'1996 D0366715'Chandelier'1996 D0366342'Table lamp base'1996 D0366340'Chandelier'1996 D0361857'Chandelier'1995 D0360050'Lamp base'1995 D0359815'Wall lantern'1995 D0359140'Chandelier'1995 D0354368'Chandelier'1995 D0354150'Lighting fixture roof'1995 D0351041'Glass chandelier shade'1994 D0350831'Lighting fixture shade'1994 D0350832'Glass shade'1994 D0348951'Torchiere lamp'1994 D0342803'Floor lamp'1993 D0341674'Table lamp'1993 D0340781'Chandelier'1993 D0340782'Wall lamp'1993 D0340780'Wall lamp'1993 D0340538'Chandelier'1993 D0340309'Table lamp'1993 D0339653'Lamp shade'1993 D0339201'Chandelier'1993 D0339208'Lamp shade'1993 D0339207'Lamp shade'1993 5,230,559'Well light'1993 D0335549'Lamp shade'1993 D0334079'Glass lamp shade'1993 D0333362'Glass lamp shade'1993 D0329103'Chandelier'1992 D0317214'Lamp shade'1991 D0313668'Lighting fixture or similar article'1991 D0312320'Lamp shade'1990 D0311598'Glass lamp shade'1990 4,861,273'Low-voltage miniature track lighting system'1989 4,001,574'Suspension fixture'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1989Patents assigned to THOMAS INDUSTRIES INC (2)· patent assignee history

1989Based in Cleveland, OH, US· patent location history

1990–2018Patents assigned to KICHLER L D CO (67)· patent assignee history

1990–2008Patents assigned to L D KICHLER CO (18)· patent assignee history

1990–2008Based in Chagrin Falls, OH, US· patent location history

1990–1997Based in Chargin Falls, OH, US· patent location history

2005Patents assigned to KICHLER LIGHTING (3)· patent assignee history

2005–2018Based in Monticello, WI, US· patent location history

2018–2021Patents assigned to L3 OPEN WATER POWER INC (5)· patent assignee history

2018–2021Based in Somerville, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KICHLER L D CO	67	1990–2018
L D KICHLER CO	18	1990–2008
L3 OPEN WATER POWER INC	5	2018–2021
KICHLER LIGHTING	3	2005
THOMAS INDUSTRIES INC	2	1977–1989

Locations

Location	Patents	Span
Chagrin Falls, OH, US	81	1990–2008
Monticello, WI, US	11	2005–2018
Somerville, Massachusetts, US	5	2018–2021
Chargin Falls, OH, US	2	1990–1997
Cleveland, OH, US	1	1989