Inventor
Gerhard Berg
Inventor
Marl, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Jprimary
C08JWorking-up44%
G11BInformation storage based on relative movement between record carrier and transducer22%
B29BPreparation or pretreatment of the material to be shaped11%
C07CAcyclic or carbocyclic compounds11%
C08LCompositions of macromolecular compounds11%
PatentTitleYear
4,216,510'Drive apparatus for magnetic discs'19804,213,909'Process for the preparation of 1-amino-4-bromoanthraquinone-2-sulfonic acid II'19804,198,666'Positioning device for a write/read magnetic head in a magnetic-disc data storage device'19804,138,375'Process for the production of pulverulent, pourable elastomer-filler mixtures optionally containing plasticizer oil'19794,073,755'Pulverulent, tackfree, pourable, filler-containing elastomer mixtures optionally containing plasticizer oil, as well as processes for their production and utilization'19783,998,778'Pourable elastomeric particles'19763,945,978'Process for the production of pourable, pulverulent filler mixtures containing plasticizer oils'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1979Patents assigned to HUELS CHEMISCHE WERKE AG (4)· patent assignee history
1976–1979Based in Marl, DE· patent location history
1980Patents assigned to BASF AG (2)· patent assignee history
1980Patents assigned to BAYER AG (1)· patent assignee history
1980Based in Sandhausen, DE· patent location history
1980Based in Leverkusen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUELS CHEMISCHE WERKE AG | 4 | 1976–1979 |
| BASF AG | 2 | 1980 |
| BAYER AG | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marl, DE | 4 | 1976–1979 |
| Sandhausen, DE | 2 | 1980 |
| Leverkusen, DE | 1 | 1980 |