Carl Zeiss SMT GmbH
Carl ZeissActive Patents
0
Total Holdings
29
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE1110342B | Method for material processing by means of a charge carrier… | Expired / Lapsed | 1960-06-01 | — | 0 | Details |
| DE1106431B | Method and device for material processing using a charge ca… | Expired / Lapsed | 1959-09-04 | — | 0 | Details |
| DE1034786B | Process for the manufacture of spinnerets | Expired / Lapsed | 1952-02-27 | — | 0 | Details |
| DE938681C | Method for drilling fine holes | Expired / Lapsed | 1951-02-01 | 1956-02-02 | 0 | Details |
| US2206169A | Light modulating system | Expired / Lapsed | 1938-09-27 | 1940-07-02 | 0 | Details |
| US2177259A | Emission type phototube | Expired / Lapsed | 1937-11-05 | 1939-10-24 | 0 | Details |
| US2078586A | Device for illuminating microscopic objects | Expired / Lapsed | 1934-12-24 | 1937-04-27 | 0 | Details |
| US2070037A | Micro-manipulator | Expired / Lapsed | 1934-03-02 | 1937-02-09 | 0 | Details |
| US2063178A | Photographic objective | Expired / Lapsed | 1935-01-24 | 1936-12-08 | 0 | Details |
| DE636168C | Device for clarifying optical images | Expired / Lapsed | 1932-11-26 | 1936-10-07 | 0 | Details |
| US2039355A | Spectroscopic monochromator | Expired / Lapsed | 1934-06-29 | 1936-05-05 | 0 | Details |
| US2010301A | Device for examining the diameter of bores | Expired / Lapsed | 1933-01-19 | 1935-08-06 | 0 | Details |
| US1995599A | Illuminating device for microscopes | Expired / Lapsed | 1934-10-17 | 1935-03-26 | 0 | Details |
| US1985067A | Stereoscopic rangefinder for photographic purposes | Expired / Lapsed | 1933-04-05 | 1934-12-18 | 0 | Details |
| US1971061A | Microscope | Expired / Lapsed | 1934-03-24 | 1934-08-21 | 0 | Details |
| US1951666A | Device maintaining automatically the frequency of an oscill… | Expired / Lapsed | 1933-01-27 | 1934-03-20 | 0 | Details |
| US1741526A | Appliance for photographing the interior of the eye | Expired / Lapsed | 1929-02-20 | 1929-12-31 | 0 | Details |
| US1679473A | Depth gauge | Expired / Lapsed | 1923-05-26 | 1928-08-07 | 0 | Details |
| US1671168A | Caliper gauge | Expired / Lapsed | 1925-10-14 | 1928-05-29 | 0 | Details |
| US1639411A | Receiver for heat signs | Expired / Lapsed | 1921-08-13 | 1927-08-16 | 0 | Details |
| US1639412A | Indicator for heat rays | Expired / Lapsed | 1921-08-13 | 1927-08-16 | 0 | Details |
| US1541407A | Optical element | Expired / Lapsed | 1923-07-20 | 1925-06-09 | 0 | Details |
| US1470770A | Tube extension for microscopes | Expired / Lapsed | 1922-10-16 | 1923-10-16 | 0 | Details |
| DE350651C | Rifle scope without line mark | Expired / Lapsed | — | 1922-03-21 | 0 | Details |
| US1081031A | Refracting-prism. | Expired / Lapsed | 1913-05-22 | 1913-12-09 | 0 | Details |
| US1028224A | Liquid-lens system. | Expired / Lapsed | 1912-02-09 | 1912-06-04 | 0 | Details |
| US1016369A | Collective system. | Expired / Lapsed | 1911-02-13 | 1912-02-06 | 0 | Details |
| US1016311A | Tachometric telescope. | Expired / Lapsed | 1910-10-27 | 1912-02-06 | 0 | Details |
| US940137A | Coincidence-telemeter. | Expired / Lapsed | 1909-01-04 | 1909-11-16 | 0 | Details |