Inventor
Stefan Ertl
Inventor
Hamburg, DE
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation25%
F01DNon-positive displacement machines or engines, e.g. steam turbines25%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
PatentTitleYear
9,457,303'Particle separator for an air conduit, air distribution system, use of a particle separator and aircraft'20166,623,240'Guide blade-adjusting device for a turbocharger'20034,625,543'Method and device for calibrating an analyzer for measuring low ion activity values in a sample stream'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to ZELLWEGER USTER AG (1)· patent assignee history
1986Based in Hombrechtikon, CH· patent location history
2003Patents assigned to MAHLE GMBH (1)· patent assignee history
2003Based in Magstadt, DE· patent location history
2016Patents assigned to AIRBUS OPERATIONS GMBH (1)· patent assignee history
2016Patents assigned to DIEHL AIRCABIN GMBH (1)· patent assignee history
2016Based in Hamburg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AIRBUS OPERATIONS GMBH | 1 | 2016 |
| DIEHL AIRCABIN GMBH | 1 | 2016 |
| MAHLE GMBH | 1 | 2003 |
| ZELLWEGER USTER AG | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamburg, DE | 1 | 2016 |
| Magstadt, DE | 1 | 2003 |
| Hombrechtikon, CH | 1 | 1986 |