Inventor
Jurgen Ewald
Inventor
Laatzen, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Tprimary
B60TVehicle brake control systems or parts thereof30%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
C22BProduction and refining of metals10%
C22CAlloys10%
C23FNon-mechanical removal of metallic material from surface10%
F01DNon-positive displacement machines or engines, e.g. steam turbines10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
7,451,690'Spring-actuated air-brake cylinder for vehicle brake systems'20086,350,325'Turbine shaft and method for producing a turbine shaft'20025,993,559'Method for removing tin'19994,887,513'Brake cylinder with bayonet connection'19894,729,290'Fluid pressure actuated spring brake cylinder'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1989Patents assigned to WABCO WESTINGHOUSE FAHRZEUG (2)· patent assignee history
1988–2008Based in Laatzen, DE· patent location history
1999–2002Patents assigned to SIEMENS AG (2)· patent assignee history
1999Based in Mulheim, DE· patent location history
2002Based in Mlheim, DE· patent location history
2008Patents assigned to WABCO GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SIEMENS AG | 2 | 1999–2002 |
| WABCO WESTINGHOUSE FAHRZEUG | 2 | 1988–1989 |
| WABCO GMBH | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Laatzen, DE | 3 | 1988–2008 |
| Mlheim, DE | 1 | 2002 |
| Mulheim, DE | 1 | 1999 |