Inventor
Monika Kuhn
Inventor
Koln, DE
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids50%
F04BPositive-displacement machines for liquids33%
B01DSeparation17%
PatentTitleYear
5,975,857'Process for operating a dry-compression vacuum pump as well as a suitable vacuum pump for implementation of this process'19995,718,565'Apparatus and process for operating a dry-compression vacuum pump'19985,131,825'Multi-stage vacuum pump with reaction chamber between stages'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1999Patents assigned to LEYBOLD AG (3)· patent assignee history
1992Based in Cologne, DE· patent location history
1998–1999Based in Koln, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEYBOLD AG | 3 | 1992–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Koln, DE | 2 | 1998–1999 |
| Cologne, DE | 1 | 1992 |