Inventor
Andreas Koffler
Inventor
Niederau, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches33%
C22CAlloys24%
B22FWorking metallic powder14%
Y10TTechnical subjects covered by former us classification14%
B82YSpecific uses or applications of nanostructures5%
C01BNon-metallic elements5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
8,749,330'Electric contact element and method for producing an electric contact element'20147,754,280'Silver/carbon-based material and method for producing the same for contact material'20107,566,437'Process for manufacture of silver-based composite powders for electrical contact materials and composite powders so produced'20095,985,440'Sintered silver-iron material for electrical contacts and process for producing it'19995,841,044'Silver-iron material for electrical switching contacts (I)'19985,808,213'Silver-iron material for electrical switching contacts (II)'19985,728,194'Silver-iron material for electrical switching contacts (III)'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–1999Patents assigned to DEGUSSA (4)· patent assignee history
1998–2010Based in Niederau, DE· patent location history
1999–2014Based in Nidderau, DE· patent location history
2009–2014Patents assigned to UMICORE AG & CO KG (3)· patent assignee history
2014Patents assigned to BRAUMANN PETER (1)· patent assignee history
2014Patents assigned to HEINRICH JENS (1)· patent assignee history
2014Patents assigned to HOFFMANN RALF (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 4 | 1998–1999 |
| UMICORE AG & CO KG | 3 | 2009–2014 |
| BRAUMANN PETER | 1 | 2014 |
| HEINRICH JENS | 1 | 2014 |
| HOFFMANN RALF | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Niederau, DE | 4 | 1998–2010 |
| Nidderau, DE | 3 | 1999–2014 |