Inventor

Jack M. Strok

Inventor

Garrettsville, OH, US

Overview

1977–2006

Patent span

Electricity

Primary field (CPC H)

Patents· 17 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps71%

B28BShaping clay or other ceramic compositions5%

C04BLime, magnesia5%

C30BSingle-crystal growth5%

F21SNon-portable lighting devices5%

F21VFunctional features or details of lighting devices or systems thereof5%

G02BOptical elements, systems or apparatus5%

PatentTitleYear

7,063,586'Ceramic discharge chamber for a discharge lamp'2006 6,639,362'High pressure discharge lamp'2003 6,538,377'Means for applying conducting members to arc tubes'2003 6,498,429'Sodium-xenon lamp with improved characteristics at end-of-life'2002 6,157,132'Discharge lamp emission material'2000 5,952,768'Transparent heat conserving coating for metal halide arc tubes'1999 5,549,746'Solid state thermal conversion of polycrystalline alumina to sapphire using a seed crystal'1996 5,353,210'Reflector lamp with low UV emission'1994 5,336,968'DC operated sodium vapor lamp'1994 4,961,020'Sodium vapor lamp for sonic pulse operation'1990 4,868,457'Ceramic lamp end closure and inlead structure'1989 4,599,543'Time fuse for high pressure sodium lamps'1986 4,580,075'High pressure sodium lamp having improved coloring rendition'1986 4,382,205'Metal vapor arc lamp having thermal link diminishable in heat conduction'1983 4,342,938'Universal burning ceramic lamp'1982 4,061,939'Low noise sodium vapor lamp for sonic pulse operation'1977 4,052,636'High pressure sodium vapor lamp stabilized for pulse operation'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2006Patents assigned to GEN ELECTRIC (17)· patent assignee history

1977Based in Northfield, OH, US· patent location history

1982–2006Based in Garrettsville, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	17	1977–2006

Locations

Location	Patents	Span
Garrettsville, OH, US	15	1982–2006
Northfield, OH, US	2	1977