Inventor
Alfred E. Maier
Inventor
Chippewa, PA, US
Overview
Patents· 51 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches82%
H01RElectrically-conductive connections4%
D06CFinishing, dressing, tentering or stretching textile fabrics2%
F04DNon-positive-displacement pumps2%
F16FSprings2%
F26BDrying solid materials or objects by removing liquid therefrom2%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power2%
H02HEmergency protective circuit arrangements2%
H02KDynamo-electric machines2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
6,076,795'Retaining device for an electric motor'20006,064,021'Clutch assembly for electrical switching apparatus with large compression close spring'20005,430,420'Contact arrangement for a circuit breaker using magnetic attraction for high current trip'19955,341,191'Molded case current limiting circuit breaker'19945,260,533'Molded case current limiting circuit breaker'19935,027,096'Key blocks for circuit breaker'19914,958,136'Circuit breaker with individual gap adjustment at high and low settings of magnetic trip'19904,950,848'Adjustable circuit breaker with draw out interlock'19904,894,747'Side plate tapered twist tab fastening device for fastening side plates to the base'19904,862,125'Electrical switching device with cover interlock'19894,829,278'Circuit breaker trip bar interlock'19894,827,231'Molded case circuit breaker with viewing window and sliding barrier'19894,713,637'Stored energy circuit breaker with ratchet mechanism for charging a contact closing spring'19874,713,504'Circuit breaker with hinged arcing contact'19874,683,451'Circuit breaker with trip delay magnetic circuit'19874,654,491'Circuit breaker with contact support and arc runner'19874,650,946'Circuit breaker with stop plate for contact arm'19874,630,019'Molded case circuit breaker with calibration adjusting means for a bimetal'19864,622,728'Method and apparatus for shrinkproofing tubular fabric'19864,612,426'Arc chute assembly for circuit breaker'19864,603,376'Terminal assembly for circuit breaker and similar apparatus'19864,555,604'Circuit breaker having improved stab assembly'19854,551,597'Molded case circuit breaker with adjustable stationary lower electrical contact'19854,540,961'Molded case circuit breaker with an apertured molded cross bar for supporting a movable electrical contact arm'19854,404,446'Stored energy circuit breaker with a cam latch'19834,324,963'Beveled latch for circuit breaker cross-reference to related applications'19824,309,580'Dual arcing contacts for circuit breaker'19824,302,740'Circuit breaker mechanism'19814,298,852'Circuit breaker with interchangeable rating adjuster and interlock means'19814,286,242'Mechanical interlock for low voltage circuit breakers'19814,277,664'Circuit breaker structure'19814,267,419'Circuit breaker structure with shock absorbers'19814,264,796'Circuit breaker having improved movable contact'19814,263,492'Circuit breaker with anti-bounce mechanism'19814,242,577'Circuit breaker having insulation barrier'19804,240,053'Circuit breaker utilizing improved current carrying conductor system'19804,229,630'Circuit breaker utilizing improved arc chambers'19804,219,713'Circuit breaker with high speed trip latch'19804,210,887'Circuit interrupter with interlocked interchangeable trip unit'19804,166,205'Stored energy circuit breaker'19794,152,561'Circuit breaker motor and handle clutch'19794,137,437'Circuit breaker having improved movable crossbar and spring holder'19794,135,072'Circuit breaker having opening spring position indicator'19794,123,734'Circuit breaker with improved latch mechanism'19784,114,005'Circuit breaker spring assembly'19784,090,159'Circuit breaker with improved trip means'19784,047,134'Circuit breaker'19773,979,675'Circuit interrupter'19763,975,701'Circuit breaker with one-way adjustment of tripping current level'19763,956,670'Circuit interrupter circuit including improved control'19763,950,714'Self-adjusting circuit breaker with rotating trip assembly'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1993Patents assigned to WESTINGHOUSE ELECTRIC CORP (46)· patent assignee history
1976–1994Based in Beaver Falls, PA, US· patent location history
1978–1995Based in Chippewa, PA, US· patent location history
1979–1990Based in Chippewa Township, PA, US· patent location history
1981–1982Based in Penn Hills Township, Allegheny County, PA, US· patent location history
1986Patents assigned to FLEISSNER GMBH & CO (1)· patent assignee history
1994–2000Patents assigned to EATON CORP (3)· patent assignee history
2000Patents assigned to BOSCH GMBH ROBERT (1)· patent assignee history
2000Based in Achern, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTINGHOUSE ELECTRIC CORP | 46 | 1976–1993 |
| EATON CORP | 3 | 1994–2000 |
| BOSCH GMBH ROBERT | 1 | 2000 |
| FLEISSNER GMBH & CO | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chippewa, Pennsylvania, US | 20 | 1978–1995 |
| Beaver Falls, Pennsylvania, US | 17 | 1976–1994 |
| Chippewa Township, Pennsylvania, US | 8 | 1979–1990 |
| Penn Hills Township, Allegheny County, Pennsylvania, US | 2 | 1981–1982 |
| Achern, DE | 1 | 2000 |