Inventor
Manfred Heinen
Inventor
Rees, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Jprimary
F16JPistons56%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
F01CRotary-piston or oscillating-piston machines or engines11%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids11%
PatentTitleYear
5,695,327'Sealing, mounting and drive of the rotors of a dry-running screw compressor'19974,723,781'Liquid sealed shaft seal'19884,613,141'Hydrostatic and hydrodynamic seal for rotating a rotating shaft'19864,376,540'Gas seal for shafts with a compensating ring'19834,097,052'Gas-sealed contact-free shaft seal'19784,071,253'Gas-sealed shaft packing'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to GUTEHOFFNUNGSHUETTE STERKRADE (2)· patent assignee history
1978Based in Oberhausen, DE· patent location history
1983–1986Patents assigned to MASCHF AUGSBURG NUERNBERG AG (2)· patent assignee history
1983–1997Based in Rees, DE· patent location history
1988Patents assigned to GUTEHOFFNUNGSHUETTE MAN (1)· patent assignee history
1997Patents assigned to MAN GUTEHOFFNUNGSHUETE AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GUTEHOFFNUNGSHUETTE STERKRADE | 2 | 1978 |
| MASCHF AUGSBURG NUERNBERG AG | 2 | 1983–1986 |
| GUTEHOFFNUNGSHUETTE MAN | 1 | 1988 |
| MAN GUTEHOFFNUNGSHUETE AG | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rees, DE | 4 | 1983–1997 |
| Oberhausen, DE | 2 | 1978 |