Inventor
P. Bruce Newell
Inventor
Carlisle, MA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps36%
H05BElectric heating27%
F21KNon-electric light sources using luminescence18%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
6,731,069'Mercury-free metal halide arc lamps'20046,392,346'Chemical composition for mercury free metal halide lamp'20026,166,495'Square wave ballast for mercury free arc lamp'20006,124,683'System for and method of operating a mercury free discharge lamp'20005,342,233'Methods for removing contaminants from arc discharge lamps'19945,176,558'Methods for removing contaminants from arc discharge lamps'19934,174,944'Single lead electrically-activated flashlamp'19794,158,878'Means for electrically contacting flash lamp having external conductive coating'19794,119,888'Operating circuit for flash lamp directly coupled to AC source'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1979Patents assigned to GTE SYLVANIA INC (3)· patent assignee history
1978Based in Carlise, MA, US· patent location history
1979–2004Based in Carlisle, MA, US· patent location history
1993Patents assigned to GTE PROD CORP (1)· patent assignee history
1994–2004Patents assigned to OSRAM SYLVANIA INC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OSRAM SYLVANIA INC | 5 | 1994–2004 |
| GTE SYLVANIA INC | 3 | 1978–1979 |
| GTE PROD CORP | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Carlisle, Massachusetts, US | 8 | 1979–2004 |
| Carlise, Massachusetts, US | 1 | 1978 |