Inventor
Rudolf Barth
Inventor
Vierkirchen, DE
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Cprimary
G02CSpectacles87%
G01BMeasuring length, thickness or similar linear dimensions7%
G08BSignalling systems, e.g. personal calling systems7%
PatentTitleYear
9,746,320'Device for adjusting the light source of an electronic alignment device, operation being simplified by motorized adjustment of the light source, and a method in which this device is used'20178,188,873'System and method for detection of a variety of alarm conditions'20126,213,603'Progressive ophthalmic lens'20015,920,372'Ophthalmic lens having an astigmatic effect'19995,880,810'Series for progressive spectacle lenses'19995,854,669'Series of lenses'19985,771,089'Progressive spectacle lens'19985,210,553'Progressive ophthalmic lens with positive distance power'19934,955,712'Multifocal lens'19904,952,047'Progressives brillenglas lens with additional channel of vision'19904,946,270'Progressive power ophthalmic lens'19904,906,090'Spectacle lens for half-eye spectacles'19904,504,128'Spectacle lens with high positive refractive power'19854,315,673'Progressive power ophthalmic lens'19824,240,719'Progressive ophthalmic lens'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2001Patents assigned to RODENSTOCK OPTIK G (13)· patent assignee history
1980–1985Based in Hohenkirchen, DE· patent location history
1990–2001Based in Vierkirchen, DE· patent location history
1993Based in Pasenbach, DE· patent location history
2012Patents assigned to BAKER WILLIAM D (1)· patent assignee history
2012Patents assigned to BARTH R THOMAS (1)· patent assignee history
2012Based in San Diego, CA, US· patent location history
2017Patents assigned to BARTH RUDOLF (1)· patent assignee history
2017Patents assigned to BUSCH DIETER & CO PRUEFTECH (1)· patent assignee history
2017Based in Karlsfeld, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RODENSTOCK OPTIK G | 13 | 1980–2001 |
| BAKER WILLIAM D | 1 | 2012 |
| BARTH R THOMASself | 1 | 2012 |
| BARTH RUDOLFself | 1 | 2017 |
| BUSCH DIETER & CO PRUEFTECH | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Vierkirchen, DE | 9 | 1990–2001 |
| Hohenkirchen, DE | 3 | 1980–1985 |
| Karlsfeld, DE | 1 | 2017 |
| San Diego, California, US | 1 | 2012 |
| Pasenbach, DE | 1 | 1993 |