Inventor
Winfried Kraft
Inventor
Asslar-Werdorf, DE
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus56%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
Y10TTechnical subjects covered by former us classification11%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling6%
F16CShafts6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
6,137,628'Stereomicroscope having a specimen changer'20006,049,420'Coaxial drive for the object stage of a microscope'20005,768,013'Microscope stage'19984,983,997'Microphotographic apparatus with automatic film format reflection'19914,946,266'Universal object holder for microscopes'19904,501,476'Device for checking the light source adjustment in an incident light microscope'19854,455,910'Traversing microtome with air bearings'19844,427,270'Microscope frame'19844,378,718'Handle for pivotable machine parts'19834,284,327'Microscope with attachable illuminating devices'19814,283,111'Microscope stand with protected turret'19814,174,159'Exposure meter for photomicrography'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1990Patents assigned to LEITZ ERNST GMBH (8)· patent assignee history
1979–2000Based in Asslar-Werdorf, DE· patent location history
1990Based in Asslar, DE· patent location history
1991Patents assigned to LEITZ WILD GMBH (1)· patent assignee history
1998–2000Patents assigned to ZEISS CARL JENA GMBH (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEITZ ERNST GMBH | 8 | 1979–1990 |
| ZEISS CARL JENA GMBH | 3 | 1998–2000 |
| LEITZ WILD GMBH | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Asslar-Werdorf, DE | 11 | 1979–2000 |
| Asslar, DE | 1 | 1990 |