Patent Explorer
Browse, filter, and analyze 171 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| GB438809A | GB438809A - - Google Patents | — | Active / In Force | — | — | — | — | 0 | |
| GB703189A | Improvements in or relating to relative phase responsive arrangements | Marconis Wireless Telegraph Co Ltd | Expired / Lapsed | 1951-07-10 | — | 1971-07-10 | 0.0 yrs | 0 | |
| US20140213273A1 | Localized Dynamic Channel Time Allocation | Avago Technologies International Sales Pte Ltd | Active / In Force | 2014-04-01 | — | 2034-04-01 | 7.4 yrs | 23 | |
| GB618179A | Improvements in or relating to short wave electro diathermy apparatus | ARTHUR WILLIAM LAY | Expired / Lapsed | 1946-10-30 | — | 1966-10-30 | 0.0 yrs | 0 | |
| GB172321A | Improved calling apparatus for high frequency telegraphy | Telefunken AG | Expired / Lapsed | 1921-12-02 | — | 1941-12-02 | 0.0 yrs | 0 | |
| GB440951A | Improvements in and relating to electric condensers more particularly for high frequency and wireless purposes and processes for the manufacture thereof | Individual | Expired / Lapsed | 1934-04-06 | — | 1954-04-06 | 0.0 yrs | 0 | |
| GB641431A | Improvements in or relating to voice and like signal operated circuit arrangements and devices | Marconis Wireless Telegraph Co Ltd | Expired / Lapsed | 1947-04-18 | — | 1967-04-18 | 0.0 yrs | 0 | |
| GB460488A | Improvements in or relating to directional radio receivers | Telefunken AG | Expired / Lapsed | 1936-05-23 | — | 1956-05-23 | 0.0 yrs | 0 | |
| GB435153A | Improvements in or relating to the coupling of high frequency oscillation circuits | The General Electric Company PLC | Expired / Lapsed | 1934-08-21 | — | 1954-08-21 | 0.0 yrs | 0 | |
| GB445350A | Automatic tuning for radio receivers | EK Cole Ltd | Expired / Lapsed | 1934-10-05 | — | 1954-10-05 | 0.0 yrs | 0 | |
| GB551209A | Rectifying contact detector systems for very short electric waves | AT&T Inc | Expired / Lapsed | 1941-02-04 | — | 1961-02-04 | 0.0 yrs | 0 | |
| GB520606A | Improvements in or relating to radio direction finders | Thales SA | Expired / Lapsed | 1938-11-15 | — | 1958-11-15 | 0.0 yrs | 0 | |
| GB372654A | Improvements in or relating to electrical control systems, employing thermionic valves and other electron discharge devices | Marconis Wireless Telegraph Co Ltd | Expired / Lapsed | 1931-09-01 | — | 1951-09-01 | 0.0 yrs | 0 | |
| GB289862A | GB289862A - - Google Patents | C Lorenz AG | Expired / Lapsed | 1928-05-04 | — | 1948-05-04 | 0.0 yrs | 0 | |
| GB528061A | Improvements in or relating to radio direction finding apparatus | PLESSY Co Ltd | Expired / Lapsed | 1939-04-21 | — | 1959-04-21 | 0.0 yrs | 0 | |
| GB342219A | Improvements in or relating to light valves | Marconis Wireless Telegraph Co Ltd | Expired / Lapsed | 1930-04-25 | — | 1950-04-25 | 0.0 yrs | 0 | |
| GB526658A | Improvements in or relating to apparatus for indicating the position of objects emitting or reflecting radio beams | Sperry Gyroscope Co Inc | Expired / Lapsed | 1939-03-24 | — | 1959-03-24 | 0.0 yrs | 0 | |
| EP2648410A1 | Transmission of video utilizing static content information from video source | Broadcom Corp | Active / In Force | 2013-04-03 | — | 2033-04-03 | 6.4 yrs | 15 | |
| GB480572A | Improvements in or relating to direction finding radio receivers | Telefunken AG | Expired / Lapsed | 1937-06-17 | — | 1957-06-17 | 0.0 yrs | 0 | |
| GB545832A | Measurement of temperature | Standard Oil Development Co | Expired / Lapsed | 1940-12-10 | — | 1960-12-10 | 0.0 yrs | 0 |
Showing 1 to 20 of 171 patents
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