Patent Explorer
Browse, filter, and analyze 20 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2446153A | Recalibrating motor control system | Brown Instruments Co | Expired / Lapsed | 1946-12-07 | 1948-07-27 | 1966-12-07 | 0.0 yrs | 0 | |
| US2445272A | Recording instrument having plural pens and an oscillating actuator | Brown Instruments Co | Expired / Lapsed | 1944-12-15 | 1948-07-13 | 1964-12-15 | 0.0 yrs | 0 | |
| US2424146A | Calibration mechanism for selfbalancing potentiometers | Brown Instruments Co | Expired / Lapsed | 1943-03-25 | 1947-07-15 | 1963-03-25 | 0.0 yrs | 0 | |
| US2422273A | Lens type radiation pyrometer | Brown Instruments Co | Expired / Lapsed | 1942-11-28 | 1947-06-17 | 1962-11-28 | 0.0 yrs | 0 | |
| US2404894A | Measuring apparatus | Brown Instruments Co | Expired / Lapsed | 1942-09-25 | 1946-07-30 | 1962-09-25 | 0.0 yrs | 0 | |
| US2367869A | Control apparatus | Brown Instruments Co | Expired / Lapsed | 1942-06-12 | 1945-01-23 | 1962-06-12 | 0.0 yrs | 0 | |
| US2357193A | Radiation pyrometer | Brown Instruments Co | Expired / Lapsed | 1941-09-24 | 1944-08-29 | 1961-09-24 | 0.0 yrs | 0 | |
| US2355537A | Measuring and control apparatus | Brown Instruments Co | Expired / Lapsed | 1942-11-19 | 1944-08-08 | 1962-11-19 | 0.0 yrs | 0 | |
| US2315682A | Measuring instrument | Brown Instruments Co | Expired / Lapsed | 1938-12-02 | 1943-04-06 | 1958-12-02 | 0.0 yrs | 0 | |
| US2285118A | Impedance measuring apparatus | Brown Instruments Co | Expired / Lapsed | 1938-08-31 | 1942-06-02 | 1958-08-31 | 0.0 yrs | 0 | |
| US2282726A | Control apparatus | Brown Instruments Co | Expired / Lapsed | 1939-10-25 | 1942-05-12 | 1959-10-25 | 0.0 yrs | 0 | |
| US2280233A | Power set flow meter | Brown Instruments Co | Expired / Lapsed | 1937-08-25 | 1942-04-21 | 1957-08-25 | 0.0 yrs | 0 | |
| US2242656A | Measuring instrument | Brown Instruments Co | Expired / Lapsed | 1938-03-08 | 1941-05-20 | 1958-03-08 | 0.0 yrs | 0 | |
| US2222947A | Control system | Brown Instruments Co | Expired / Lapsed | 1939-05-24 | 1940-11-26 | 1959-05-24 | 0.0 yrs | 0 | |
| US2192022A | Measuring and control apparatus | Brown Instruments Co | Expired / Lapsed | 1938-10-29 | 1940-02-27 | 1958-10-29 | 0.0 yrs | 0 | |
| US1931223A | Potentiometer instrument | Brown Instruments Co | Expired / Lapsed | 1932-02-04 | 1933-10-17 | 1952-02-04 | 0.0 yrs | 0 | |
| US1922194A | Measuring apparatus | Brown Instruments Co | Expired / Lapsed | 1927-04-22 | 1933-08-15 | 1947-04-22 | 0.0 yrs | 0 | |
| US1784522A | Method of and apparatus for measuring | Brown Instruments Co | Expired / Lapsed | 1929-09-21 | 1930-12-09 | 1949-09-21 | 0.0 yrs | 0 | |
| US1615451A | Thermocouple | Brown Instruments Co | Expired / Lapsed | 1926-02-01 | 1927-01-25 | 1946-02-01 | 0.0 yrs | 0 | |
| US1524937A | Electrode for electrolytic conductivity cells | Brown Instruments Co | Expired / Lapsed | 1924-01-10 | 1925-02-03 | 1944-01-10 | 0.0 yrs | 0 |