Inventor
Siegfried Harmsen
Inventor
St. Georgen, DE
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Dprimary
F04DNon-positive-displacement pumps67%
H02KDynamo-electric machines14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power5%
H05KPrinted circuits5%
PatentTitleYear
6,017,191'Axial ventilator housing'20005,695,318'Diagonal fan'19975,267,842'Miniaturized direct current fan'1993RE034456'Miniature axial fan'19935,184,938'Axial fan with a cylindrical outer housing'19935,135,363'Miniaturized direct current fan'19925,028,216'Miniaturized direct current fan'19914,992,029'Miniature axial fan'19914,909,711'Small fan with electric drive motor'19904,886,415'Fan with an essentially square housing'19894,806,081'Miniature axial fan'19894,564,335'Axial flow fan'19864,373,861'Axial-flow fan'19834,371,313'Miniature diagonal blower with axial flow inlet and radial flow outlet'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1993Patents assigned to PAPST MOTOREN KG (3)· patent assignee history
1983–2000Based in St. Georgen, DE· patent location history
1986–2000Patents assigned to PAPST MOTOREN GMBH & CO KG (10)· patent assignee history
1989Patents assigned to PAPST MOTOREN GMBH AND COMPANY (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PAPST MOTOREN GMBH & CO KG | 10 | 1986–2000 |
| PAPST MOTOREN KG | 3 | 1983–1993 |
| PAPST MOTOREN GMBH AND COMPANY | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Georgen, DE | 14 | 1983–2000 |