Inventor
Albert W. Welz, Jr.
Inventor
Westford, MA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F23Nprimary
F23NRegulating or controlling combustion21%
Y10TTechnical subjects covered by former us classification14%
F16KValves7%
H01HElectric switches7%
H02JElectric power networks7%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%
H04BTransmission7%
H05BElectric heating7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
6,279,870'Intelligent valve actuator'20016,247,919'Intelligent burner control system'20015,997,280'Intelligent burner control system'19994,400,688'Method and apparatus for communication over electric power lines'19834,105,897'Cycloconverter apparatus and method for working into an active load'19783,939,361'Electronic timer switch'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to LITTLE INC A (1)· patent assignee history
1976–2001Based in Westford, MA, US· patent location history
1978–1983Patents assigned to NEW ENGLAND POWER SERVICE COMP (2)· patent assignee history
1999–2001Patents assigned to MAXON CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAXON CORP | 3 | 1999–2001 |
| NEW ENGLAND POWER SERVICE COMP | 2 | 1978–1983 |
| LITTLE INC A | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westford, Massachusetts, US | 6 | 1976–2001 |