Inventor

Joseph M. Allison

Inventor

Euclid, OH, US

Overview

1990–2004

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.

H05Bprimary

H05BElectric heating43%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications20%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

H01JElectric discharge tubes or discharge lamps7%

H04MTelephonic communication7%

G08BSignalling systems, e.g. personal calling systems3%

PatentTitleYear

6,819,059'Flash strobe power supply system and method'2004 6,470,197'Headset control system for operating a microcontroller based device'2002 6,366,032'Fluorescent lamp ballast with integrated circuit'2002 6,011,363'Constant wattage electric ballast circuit for lamp'2000 5,978,689'Personal portable communication and audio system'1999 5,877,596'Universal electronic ballast for a family of fluorescent lamps'1999 5,831,526'Atmospheric hazard detector network'1998 5,814,976'High power factor electronic ballast'1998 5,654,610'Electrodeless discharge lamp having a neon fill'1997 5,426,346'Gas discharge lamp ballast circuit with reduced parts-count starting circuit'1995 5,414,325'Gas discharge lamp ballast circuit with automatically calibrated light feedback control'1995 5,317,237'Low voltage ballast circuit for a high brightness discharge light source'1994 5,198,727'Acoustic resonance operation of xenon-metal halide lamps on unidirectional current'1993 5,121,034'Acoustic resonance operation of xenon-metal halide lamps'1992 5,047,695'Direct current (DC) acoustic operation of xenon-metal halide lamps using high-frequency ripple'1991 4,987,347'Lamp driver circuit'1991 4,904,907'Ballast circuit for metal halide lamp'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2000Patents assigned to GEN ELECTRIC (12)· patent assignee history

1990–2004Based in Euclid, OH, US· patent location history

2002Patents assigned to ROBERTSON WORLDWIDE INC (1)· patent assignee history

2004Patents assigned to FED SIGNAL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	12	1990–2000
FED SIGNAL CORP	1	2004
ROBERTSON WORLDWIDE INC	1	2002

Locations

Location	Patents	Span
Euclid, OH, US	17	1990–2004