Carl Zeiss AG
Carl ZeissActive Patents
0
Total Holdings
61
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE4413920A1 | Drape for surgical microscope | Expired / Lapsed | 1994-04-21 | — | 0 | Details |
| GB2255651A | Ophthalmoscopic attachment for surgical microscopes | Expired / Lapsed | 1992-04-13 | — | 1 | Details |
| GB812713A | Method for working materials by means of a beam of charged … | Expired / Lapsed | 1956-06-25 | — | 0 | Details |
| GB445009A | Improvements in apparatus for measuring by means of photoel… | Expired / Lapsed | 1935-09-02 | — | 0 | Details |
| US5795294A | Procedure for the correlation of different coordinate syste… | Expired / Lapsed | 1995-05-30 | 1998-08-18 | 8 | Details |
| US5621780A | X-ray apparatus for applying a predetermined flux to an int… | Expired / Lapsed | 1995-07-27 | 1997-04-15 | 27 | Details |
| US5566221A | Apparatus for applying a predetermined x-radiation flux to … | Expired / Lapsed | 1994-07-12 | 1996-10-15 | 15 | Details |
| US5528652A | Method for treating brain tumors | Expired / Lapsed | 1994-08-05 | 1996-06-18 | 8 | Details |
| US5452720A | Method for treating brain tumors | Expired / Lapsed | 1993-08-09 | 1995-09-26 | 9 | Details |
| US5428658A | X-ray source with flexible probe | Expired / Lapsed | 1994-01-21 | 1995-06-27 | 30 | Details |
| US5359417A | Surgical microscope for conducting computer-supported stere… | Expired / Lapsed | 1992-10-15 | 1994-10-25 | 16 | Details |
| US5345087A | Optical guide system for spatially positioning a surgical m… | Expired / Lapsed | 1993-02-01 | 1994-09-06 | 20 | Details |
| US5321447A | Ophthalmoscopic attachment for a surgical microscope | Expired / Lapsed | 1992-04-28 | 1994-06-14 | 15 | Details |
| US5288987A | Autofocusing arrangement for a stereomicroscope which permi… | Expired / Lapsed | 1992-09-24 | 1994-02-22 | 17 | Details |
| US5123902A | Method and apparatus for performing surgery on tissue where… | Expired / Lapsed | 1989-09-13 | 1992-06-23 | 26 | Details |
| US5031184A | Cooling arrangement for a semiconductor pump source | Expired / Lapsed | 1990-06-29 | 1991-07-09 | 8 | Details |
| US5014707A | Apparatus for measuring and evaluating the inherent fluores… | Expired / Lapsed | 1989-05-08 | 1991-05-14 | 3 | Details |
| US4836203A | Device for therapeutical irradiation of organic tissue by l… | Expired / Lapsed | 1987-02-03 | 1989-06-06 | 7 | Details |
| US4825091A | Optoelectronic distance sensor with visible pilot beam | Expired / Lapsed | 1988-02-01 | 1989-04-25 | 10 | Details |
| US4660970A | Method and apparatus for the contact-less measuring of obje… | Expired / Lapsed | 1984-10-15 | 1987-04-28 | 12 | Details |
| US4624537A | Arrangement for multiplying the output of an actuating mani… | Expired / Lapsed | 1984-08-21 | 1986-11-25 | 21 | Details |
| US4615592A | Coupling for the drive of a mechanical stage | Expired / Lapsed | 1984-12-10 | 1986-10-07 | 4 | Details |
| US4587622A | Method and apparatus for determining and correcting guidanc… | Expired / Lapsed | 1982-12-01 | 1986-05-06 | 21 | Details |
| US4531814A | Method and apparatus for temporarily increasing the absorpt… | Expired / Lapsed | 1982-10-18 | 1985-07-30 | 19 | Details |
| US4529873A | Optical control circuit for electrochromic layers | Expired / Lapsed | 1982-10-15 | 1985-07-16 | 19 | Details |
| US4512637A | Method and means for stepwise charge control of electrochro… | Expired / Lapsed | 1982-10-22 | 1985-04-23 | 18 | Details |
| US4445516A | Process for the digitization and display of thermographic r… | Expired / Lapsed | 1981-05-26 | 1984-05-01 | 12 | Details |
| US4427889A | Method and apparatus for molecular spectroscopy, particular… | Expired / Lapsed | 1980-08-12 | 1984-01-24 | 15 | Details |
| DE2919678C3 | Additional lenses for binocular surgical microscopes | Expired / Lapsed | 1979-05-16 | 1983-03-24 | 0 | Details |
| US4364629A | Operation microscope having a small working distance | Expired / Lapsed | 1980-05-12 | 1982-12-21 | 14 | Details |
| US4344595A | Auxiliary apparatus at a stand for an optical observation d… | Expired / Lapsed | 1980-07-10 | 1982-08-17 | 8 | Details |
| US4266862A | Refractometer for the automatic objective determination of … | Expired / Lapsed | 1977-11-21 | 1981-05-12 | 18 | Details |
| US4178082A | Hardened circular spectacle-lens element and method of maki… | Expired / Lapsed | 1977-12-01 | 1979-12-11 | 14 | Details |
| US3984581A | Method for the production of anti-reflection coatings on op… | Expired / Lapsed | 1974-10-22 | 1976-10-05 | 5 | Details |
| US3816712A | Method and apparatus for detecting relative deviations in p… | Expired / Lapsed | 1972-11-13 | 1974-06-11 | 13 | Details |
| US3721759A | Method of and device for the automatic focusing of microsco… | Expired / Lapsed | 1971-02-11 | 1973-03-20 | 12 | Details |
| US3699348A | Radiation sensitive device for the successive investigation… | Expired / Lapsed | 1971-08-06 | 1972-10-17 | 7 | Details |
| US3676004A | Device for the spectrochemical determination of the concent… | Expired / Lapsed | 1970-12-17 | 1972-07-11 | 0 | Details |
| US3558814A | Method and apparatus for plotting a specific area of an obj… | Expired / Lapsed | 1968-03-08 | 1971-01-26 | 8 | Details |
| US3535027A | Slit lamp with pancratic illumination | Expired / Lapsed | 1968-07-29 | 1970-10-20 | 0 | Details |
| US3533685A | Variable incidence type slit lamp | Expired / Lapsed | 1968-10-28 | 1970-10-13 | 0 | Details |
| US3186300A | Double stereo-microscope and illuminator for surgical opera… | Expired / Lapsed | 1961-07-13 | 1965-06-01 | 2 | Details |
| US3137756A | Device for determining the dimensions of an object | Expired / Lapsed | 1958-10-29 | 1964-06-16 | 0 | Details |
| US3101430A | Compensating lens | Expired / Lapsed | 1960-08-16 | 1963-08-20 | 2 | Details |
| US3044354A | Cross-slide table for microscopes | Expired / Lapsed | 1959-08-10 | 1962-07-17 | 0 | Details |
| US3035482A | Interferometers | Expired / Lapsed | 1959-12-04 | 1962-05-22 | 0 | Details |
| US3033974A | Method and means for welding and soldering with the help of… | Expired / Lapsed | 1959-06-29 | 1962-05-08 | 0 | Details |
| US2968723A | Means for controlling crystal structure of materials | Expired / Lapsed | 1957-04-11 | 1961-01-17 | 0 | Details |
| US2959097A | Illuminating device for microscopes | Expired / Lapsed | 1959-05-08 | 1960-11-08 | 0 | Details |
| US2933972A | Photo-electric polarimeter | Expired / Lapsed | 1956-01-25 | 1960-04-26 | 0 | Details |
| US2902583A | Method for working materials by means of a beam of charged … | Expired / Lapsed | 1956-06-22 | 1959-09-01 | 0 | Details |
| US2793282A | Forming spherical bodies by electrons | Expired / Lapsed | 1951-11-28 | 1957-05-21 | 0 | Details |
| US2793281A | Drilling by electrons | Expired / Lapsed | 1951-11-28 | 1957-05-21 | 0 | Details |
| US2785599A | Automatic rectification instrument for projection plotting … | Expired / Lapsed | 1954-12-28 | 1957-03-19 | 0 | Details |
| US2779231A | Device for determining small inclinations from the vertical… | Expired / Lapsed | 1950-11-09 | 1957-01-29 | 0 | Details |
| US2771568A | Utilizing electron energy for physically and chemically cha… | Expired / Lapsed | 1951-11-28 | 1956-11-20 | 0 | Details |
| US2705490A | Microscope for the examination of living tissues in body ca… | Expired / Lapsed | 1950-12-07 | 1955-04-05 | 0 | Details |
| US2034110A | Linear guide | Expired / Lapsed | 1932-09-22 | 1936-03-17 | 0 | Details |
| US1985074A | Illumination system | Expired / Lapsed | 1933-10-30 | 1934-12-18 | 0 | Details |
| US1579532A | Refractometer | Expired / Lapsed | 1924-06-06 | 1926-04-06 | 0 | Details |
| US947971A | Binocular telescope. | Expired / Lapsed | 1909-03-25 | 1910-02-01 | 0 | Details |