Patent Explorer
Browse, filter, and analyze 29 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| DE1110342B | Method for material processing by means of a charge carrier beam | Carl Zeiss SMT GmbH | Expired / Lapsed | 1960-06-01 | — | 1980-06-01 | 0.0 yrs | 0 | |
| DE1034786B | Process for the manufacture of spinnerets | Carl Zeiss SMT GmbH | Expired / Lapsed | 1952-02-27 | — | 1972-02-27 | 0.0 yrs | 0 | |
| DE1106431B | Method and device for material processing using a charge carrier beam | Carl Zeiss SMT GmbH | Expired / Lapsed | 1959-09-04 | — | 1979-09-04 | 0.0 yrs | 0 | |
| DE938681C | Method for drilling fine holes | Carl Zeiss SMT GmbH | Expired / Lapsed | 1951-02-01 | 1956-02-02 | 1971-02-01 | 0.0 yrs | 0 | |
| US2206169A | Light modulating system | Carl Zeiss SMT GmbH | Expired / Lapsed | 1938-09-27 | 1940-07-02 | 1958-09-27 | 0.0 yrs | 0 | |
| US2177259A | Emission type phototube | Carl Zeiss SMT GmbH | Expired / Lapsed | 1937-11-05 | 1939-10-24 | 1957-11-05 | 0.0 yrs | 0 | |
| US2078586A | Device for illuminating microscopic objects | Carl Zeiss SMT GmbH | Expired / Lapsed | 1934-12-24 | 1937-04-27 | 1954-12-24 | 0.0 yrs | 0 | |
| US2070037A | Micro-manipulator | Carl Zeiss SMT GmbH | Expired / Lapsed | 1934-03-02 | 1937-02-09 | 1954-03-02 | 0.0 yrs | 0 | |
| US2063178A | Photographic objective | Carl Zeiss SMT GmbH | Expired / Lapsed | 1935-01-24 | 1936-12-08 | 1955-01-24 | 0.0 yrs | 0 | |
| DE636168C | Device for clarifying optical images | Carl Zeiss SMT GmbH | Expired / Lapsed | 1932-11-26 | 1936-10-07 | 1952-11-26 | 0.0 yrs | 0 | |
| US2039355A | Spectroscopic monochromator | Carl Zeiss SMT GmbH | Expired / Lapsed | 1934-06-29 | 1936-05-05 | 1954-06-29 | 0.0 yrs | 0 | |
| US2010301A | Device for examining the diameter of bores | Carl Zeiss SMT GmbH | Expired / Lapsed | 1933-01-19 | 1935-08-06 | 1953-01-19 | 0.0 yrs | 0 | |
| US1995599A | Illuminating device for microscopes | Carl Zeiss SMT GmbH | Expired / Lapsed | 1934-10-17 | 1935-03-26 | 1954-10-17 | 0.0 yrs | 0 | |
| US1985067A | Stereoscopic rangefinder for photographic purposes | Carl Zeiss SMT GmbH | Expired / Lapsed | 1933-04-05 | 1934-12-18 | 1953-04-05 | 0.0 yrs | 0 | |
| US1971061A | Microscope | Carl Zeiss SMT GmbH | Expired / Lapsed | 1934-03-24 | 1934-08-21 | 1954-03-24 | 0.0 yrs | 0 | |
| US1951666A | Device maintaining automatically the frequency of an oscillator | Carl Zeiss SMT GmbH | Expired / Lapsed | 1933-01-27 | 1934-03-20 | 1953-01-27 | 0.0 yrs | 0 | |
| US1741526A | Appliance for photographing the interior of the eye | Carl Zeiss SMT GmbH | Expired / Lapsed | 1929-02-20 | 1929-12-31 | 1949-02-20 | 0.0 yrs | 0 | |
| US1679473A | Depth gauge | Carl Zeiss SMT GmbH | Expired / Lapsed | 1923-05-26 | 1928-08-07 | 1943-05-26 | 0.0 yrs | 0 | |
| US1671168A | Caliper gauge | Carl Zeiss SMT GmbH | Expired / Lapsed | 1925-10-14 | 1928-05-29 | 1945-10-14 | 0.0 yrs | 0 | |
| US1639411A | Receiver for heat signs | Carl Zeiss SMT GmbH | Expired / Lapsed | 1921-08-13 | 1927-08-16 | 1941-08-13 | 0.0 yrs | 0 |
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