Inventor
Norman Davies
Inventor
Irwin, PA, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches35%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power27%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines5%
H02HEmergency protective circuit arrangements5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges3%
F25BRefrigeration machines, plants or systems3%
F25DRefrigerators3%
G01DMeasuring not specially adapted for a specific variable3%
PatentTitleYear
10,903,830Short-circuit protection for a power semiconductor device20218,537,018'Refrigeration system management and information display'20136,738,243'Apparatus and method for servicing a distribution bus'20046,373,015'Integral load connector module'20026,373,358'Power circuit breaker having molded insulative casing with a dead front'20026,362,445'Modular, miniaturized switchgear'20026,326,872'Power circuit breaker with air gap between molded insulative casing and grounded barrier insulating operating mechanism'20016,242,708'Isolator switch'20015,927,482'Insulative cover for electrical switching apparatus for electric power distribution systems'19995,726,367'Apparatus and method for testing spring powered switches'19985,359,174'Thermally conductive, insulating, arc-quenching coating compositions for current interrupters'19945,200,585'Drawout switchgear with improved levering-in mechanism and interlock'19935,023,583'Circuit breaker contact operating structure'19914,968,859'Circuit breaker with low voltage contact structure'19904,658,504'Method for insulating conductor joints particularly bus bars and insulated bus bar apparatus'19874,650,085'Enclosure structure for circuit breaker assemblies and similar apparatus'19874,491,704'Vacuum circuit interrupter having vacuum monitoring apparatus'1985D0275278'Metal clad switchgear'19844,464,703'Metal clad switchgear having exterior ventilation shafts'19844,403,124'Vacuum circuit interrupter with insulated vacuum monitor resistor'19834,118,755'Self-cooled metal-clad switchgear'19784,109,293'Tubular conductor for metal clad switchgear'19783,967,083'Method and apparatus for aligning and affixing portions of circuit breaker apparatus'19763,944,772'Circuit breaker with low torque motor'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1993Patents assigned to WESTINGHOUSE ELECTRIC CORP (13)· patent assignee history
1976–1978Based in Trafford, PA, US· patent location history
1978–1983Based in Levelgreen, PA, US· patent location history
1984–2002Based in Irwin, PA, US· patent location history
1985–1994Based in Penn Township, Westmoreland County, PA, US· patent location history
1994–2004Patents assigned to EATON CORP (9)· patent assignee history
2013Patents assigned to BAIR III RICHARD H (1)· patent assignee history
2013Patents assigned to BROWN MICHAEL W (1)· patent assignee history
2013Patents assigned to DAVIES NORMAN P (1)· patent assignee history
2013–2021Based in Asheville, NC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTINGHOUSE ELECTRIC CORP | 13 | 1976–1993 |
| EATON CORP | 9 | 1994–2004 |
| BAIR III RICHARD H | 1 | 2013 |
| BROWN MICHAEL W | 1 | 2013 |
| DAVIES NORMAN Pself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Irwin, Pennsylvania, US | 9 | 1984–2002 |
| Penn Township, Westmoreland County, Pennsylvania, US | 7 | 1985–1994 |
| Asheville, NC, US | 2 | 2013–2021 |
| Levelgreen, Pennsylvania, US | 2 | 1978–1983 |
| Trafford, Pennsylvania, US | 2 | 1976–1978 |