Inventor
Lothar Brenner
Inventor
Bad Munstereifel, DE
Overview
Patents· 8 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 liquids67%
B01DSeparation8%
F02BInternal-combustion piston engines8%
F16HGearing8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
6,964,559'Two shaft vacuum pump with cantilevered rotors'20056,863,511'Two-shaft vacuum pump'20056,758,660'Screw vacuum pump with a coolant circuit'20045,660,535'Method of operating a claw-type vacuum pump and a claw-type vacuum pump suitable for carrying out the method'19975,399,817'Muffler'19955,364,245'Dry-running twin-shaft vacuum pump'19945,356,275'Device for supplying a multi-stage dry-running vacuum pump with inert gas'19945,131,825'Multi-stage vacuum pump with reaction chamber between stages'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1997Patents assigned to LEYBOLD AG (5)· patent assignee history
1992–1997Based in Bad Munstereifel, DE· patent location history
2004–2005Patents assigned to LEYBOLD VAKUUM GMBH (3)· patent assignee history
2004–2005Based in Bad Duerkheim, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEYBOLD AG | 5 | 1992–1997 |
| LEYBOLD VAKUUM GMBH | 3 | 2004–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bad Munstereifel, DE | 5 | 1992–1997 |
| Bad Duerkheim, DE | 3 | 2004–2005 |