Inventor
Ralf Lammers
Inventor
Wermelskirchen, DE
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material41%
F16JPistons41%
Y10TTechnical subjects covered by former us classification14%
F02FCylinders, pistons or casings, for combustion engines5%
PatentTitleYear
10,370,755Method for producing piston a ring201910,000,840Piston ring for internal combustion engines20189,915,346'Piston ring'20189,598,763'Piston ring for internal combustion engines'20179,488,276'Sliding element, in particular a piston ring, having a coating'20169,488,275'Sliding element, in particular a piston ring, having a coating'20169,447,490'Piston ring'20168,857,820'Piston ring'20148,273,469'Piston ring'20128,201,831'Sliding element, in particular piston ring, method for manufacturing a sliding element, sliding system and coating for a sliding element'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2017Patents assigned to FEDERAL MOGUL BURSCHEID GMBH (7)· patent assignee history
2012–2018Patents assigned to LAMMERS RALF (6)· patent assignee history
2012–2018Patents assigned to BAUER CHRISTIANE (5)· patent assignee history
2012–2018Patents assigned to FISCHER MANFRED (5)· patent assignee history
2012–2018Patents assigned to HOPPE STEFFEN (5)· patent assignee history
2012–2019Based in Wermelskirchen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FEDERAL MOGUL BURSCHEID GMBH | 7 | 2012–2017 |
| LAMMERS RALFself | 6 | 2012–2018 |
| BAUER CHRISTIANE | 5 | 2012–2018 |
| FISCHER MANFRED | 5 | 2012–2018 |
| HOPPE STEFFEN | 5 | 2012–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wermelskirchen, DE | 10 | 2012–2019 |