Inventor

Thomas Haraden

Inventor

Ipswich, MA, US

Overview

26→

Patents

1979–1994

Patent span

Electricity

Primary field (CPC H)

Patents· 26 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps24%

F21VFunctional features or details of lighting devices or systems thereof16%

F21SNon-portable lighting devices8%

H01KElectric incandescent lamps8%

H01RElectrically-conductive connections8%

F21LLighting devices or systems thereof, being portable or specially adapted for transportation5%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted5%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%

G05DSystems for controlling or regulating non-electric variables3%

PatentTitleYear

D0352120'Reflector lamp with neck extender'1994 D0352121'Reflector lamp with neck extender'1994 5,296,780'Arc discharge lamp having cementless right-angle base members'1994 5,294,865'Lamp with integrated electronic module'1994 5,276,379'Arc discharge lamp having cementless base members'1994 5,254,901'Neck extender for a reflector lamp'1993 5,210,461'Arc discharge lamp containing mechanism for extinguishing arc at end-of-life'1993 5,173,639'Thermal switch assembly for electric lamps'1992 5,082,356'Temperature control apparatus for controlling metallic vapor pressure in a closed cell'1992 4,973,881'Automatic shut-off device for an electric lamp'1990 4,937,487'Picture element lamp assembly for information display system'1990 4,868,722'Headlamp assembly'1989 4,779,021'Electric lamp with improved self-mounting frame member'1988 4,772,989'Motor vehicle headlight module'1988 4,660,906'Lamp holder assembly having rotatable base shell'1987 4,654,557'Lamp holder assembly having rotatable base'1987 4,624,513'Lamp holder assembly having rotatable base shell'1986 4,485,331'Fluorescent lamp holder'1984 D0272098'Fluorescent lamp or the like'1984 4,406,969'Circular fluorescent lamp holder'1983 4,405,877'Variably positional lamp holder assembly'1983 4,219,870'Front loading projection unit'1980 D0252192'Flashlamp signal device'1979 4,156,901'Projection unit having removable retention member'1979 4,152,106'Percussively-ignitable flashlamp assembly and selective firing mechanism therefor'1979 4,147,497'Hand-operable signal device using percussively-ignitable flashlamps'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1980Patents assigned to GTE SYLVANIA INC (5)· patent assignee history

1979–1992Based in Ipswich, MA, US· patent location history

1983–1994Patents assigned to GTE PROD CORP (21)· patent assignee history

1993–1994Based in Hamilton, MA, US· patent location history

1993–1994Based in South Hamilton, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GTE PROD CORP	21	1983–1994
GTE SYLVANIA INC	5	1979–1980

Locations

Location	Patents	Span
Ipswich, Massachusetts, US	19	1979–1992
Hamilton, Massachusetts, US	5	1993–1994
South Hamilton, Massachusetts, US	2	1993–1994