Inventor
Konrad Heydner
Inventor
Altdorf, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches29%
D06FLaundering, drying, ironing, pressing or folding textile articles14%
E05BLocks14%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
5,558,211'Push-button actuated safety switch'19964,947,010'Electrical equipment housing'19904,620,735'Door-bolting device for electrical appliances'19864,236,136'Tripping device for an overload circuit breaker'19804,159,155'Bimetal circuit breaker'19794,111,474'Electrically operated door lock'19784,044,325'Pushbutton actuated excess current switch'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1996Patents assigned to ELLENBERGER & POENSGEN (7)· patent assignee history
1977–1996Based in Altdorf, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ELLENBERGER & POENSGEN | 7 | 1977–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Altdorf, DE | 7 | 1977–1996 |