Magnetic Analysis Corp
Magnetic AActive Patents
0
Total Holdings
19
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3135914A | Multi-frequency testing method and apparatus for selectivel… | Expired / Lapsed | 1959-09-04 | 1964-06-02 | 1 | Details |
| US2758276A | Apparatus for the non-destructive testing of magnetizable o… | Expired / Lapsed | 1952-01-10 | 1956-08-07 | 0 | Details |
| US2485343A | Multiple indicating system | Expired / Lapsed | 1946-04-20 | 1949-10-18 | 0 | Details |
| US2470839A | Magnetic testing with artificial standard | Expired / Lapsed | 1946-02-05 | 1949-05-24 | 0 | Details |
| US2429336A | Electromagnetic testing | Expired / Lapsed | 1942-11-19 | 1947-10-21 | 0 | Details |
| US2403424A | Demagnetizing apparatus | Expired / Lapsed | 1943-11-01 | 1946-07-02 | 0 | Details |
| US2353211A | Electrical analysis | Expired / Lapsed | 1940-05-13 | 1944-07-11 | 0 | Details |
| US2267884A | Variable feedback system | Expired / Lapsed | 1939-10-25 | 1941-12-30 | 0 | Details |
| US2258837A | Electrical testing | Expired / Lapsed | 1939-05-18 | 1941-10-14 | 0 | Details |
| US2202884A | Magnetic analysis | Expired / Lapsed | 1937-10-01 | 1940-06-04 | 0 | Details |
| US2144476A | Magnetic analysis | Expired / Lapsed | 1937-04-14 | 1939-01-17 | 0 | Details |
| US2143672A | Heat treatment of magnetizable bodies | Expired / Lapsed | 1934-10-10 | 1939-01-10 | 0 | Details |
| US2117390A | Compensation of alternating current flucturations | Expired / Lapsed | 1934-07-12 | 1938-05-17 | 0 | Details |
| US2102452A | Detection of flaws in magnetizable bodies | Expired / Lapsed | 1936-04-23 | 1937-12-14 | 0 | Details |
| US2082997A | Electrical analysis apparatus | Expired / Lapsed | 1934-03-23 | 1937-06-08 | 0 | Details |
| US2034501A | Magnetic analysis | Expired / Lapsed | 1933-11-03 | 1936-03-17 | 0 | Details |
| US1954975A | Method and apparatus for testing electrically conducting bo… | Expired / Lapsed | 1932-08-06 | 1934-04-17 | 0 | Details |
| US1917417A | Method and apparatus for measuring alternating electromotiv… | Expired / Lapsed | 1932-08-06 | 1933-07-11 | 0 | Details |
| US1807411A | Method of and apparatus for testing magnetizable objects | Expired / Lapsed | 1925-06-04 | 1931-05-26 | 0 | Details |