Inventor
Werner Grau
Inventor
Bobenheim-Roxheim, DE
Overview
28→
Patents
1977–2010
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer33%
Y10TTechnical subjects covered by former us classification22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
A42BHats3%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
G02CSpectacles3%
H01FMagnets3%
A61FFilters implantable into blood vessels2%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%
PatentTitleYear
7,797,763'Protective helmet, especially bicycle helmet'20106,705,719'Sight piece, in particular for skiing goggles and method for the manufacture thereof'20046,405,373'Visor for helmet, particularly a motorcycle helmet'20025,627,607'Spectacles with movable gems'19975,419,959'Magnetic recording medium having an infra-red light transparent balkcoat layer'19955,084,319'Disk-shaped magnetic recording media, their production and information stores containing these recording media'19925,082,689'Production of magnetic recording media'1992D0321703'Sunglasses'19915,050,015'Method and arrangement for reducing wear in a magnetic storage means'19914,991,952'Pair of glasses with inclinable temples'19914,891,114'Magnetic recording media'19904,842,896'Production of magnetic recording media'19894,835,909'Surface treatment of disk-shaped nickel-plated aluminum substrates'19894,647,513'Magnetic recording media'19874,619,777'Preparation of a magnetic dispersion'19864,597,990'Preparation of magnetic recording media'19864,568,610'Magnetic recording media'19864,567,108'Magnetic recording media'19864,560,624'Magnetic recording media with a dual protective coating of silicon monoxide and chromium'19854,560,456'Magnetic recording media'19854,559,118'Magnetic recording media'19854,534,999'Production of magnetic recording media having a backing coating'19854,430,362'Production of magnetic recording media'19844,414,287'Magnetic recording medium and its manufacture'19834,287,225'Process of making a magnetic recording medium'19814,275,114'Magnetic recording medium and method of stabilization of chromium dioxide magnetic pigments'19814,059,716'Manufacture of gamma-iron(III) oxide'19774,029,249'Roller system for continuous transport of webs of sheeting'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1992Patents assigned to BASF AG (21)· patent assignee history
1977–1981Based in Willstaett, DE· patent location history
1981–1995Based in Bobenheim-Roxheim, DE· patent location history
1991Patents assigned to UVEX WINTER OPTICAL INC (1)· patent assignee history
1991–2010Based in Haberskirch, DE· patent location history
1991Based in Aichach-Untermauerbach, DE· patent location history
1995Patents assigned to BASF MAGNETICS GMBH (1)· patent assignee history
1997Patents assigned to ALPINA INTERNATIONAL SPORT & O (1)· patent assignee history
1997Based in Friedberg, DE· patent location history
2002–2010Patents assigned to UVEX SPORTS GMBH & CO KG (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 21 | 1977–1992 |
| UVEX SPORTS GMBH & CO KG | 3 | 2002–2010 |
| ALPINA INTERNATIONAL SPORT & O | 1 | 1997 |
| BASF MAGNETICS GMBH | 1 | 1995 |
| UVEX WINTER OPTICAL INC | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bobenheim-Roxheim, DE | 19 | 1981–1995 |
| Haberskirch, DE | 4 | 1991–2010 |
| Willstaett, DE | 3 | 1977–1981 |
| Friedberg, DE | 1 | 1997 |
| Aichach-Untermauerbach, DE | 1 | 1991 |