Patent Explorer

Browse, filter, and analyze 11 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US4813978A Process for separating particles and apparatus for carrying out the process BBC Brown Boveri AG Switzerland Expired / Lapsed 1987-12-03 1989-03-21 2007-12-03 0.0 yrs 16
US4654492A Switch drive BBC Brown Boveri AG Switzerland Expired / Lapsed 1985-04-12 1987-03-31 2005-04-12 0.0 yrs 9
US4297779A Method of joining structural elements BBC Brown Boveri AG Switzerland Expired / Lapsed 1979-08-10 1981-11-03 1999-08-10 0.0 yrs 17
US4197840A Permanent magnet device for implantation BBC Brown Boveri AG Switzerland Expired / Lapsed 1976-09-29 1980-04-15 1996-09-29 0.0 yrs 15
US4126383A Electrooptic display device BBC Brown Boveri AG Switzerland Expired / Lapsed 1977-05-02 1978-11-21 1997-05-02 0.0 yrs 13
US4121107A Apparatus for automatic low-bacteria to aseptic filling and packing of foodstuffs BBC Brown Boveri AG Switzerland Expired / Lapsed 1977-04-18 1978-10-17 1997-04-18 0.0 yrs 6
US3884075A Apparatus for measuring surface temperatures of thin elongated objects by infrared radiation therefrom BBC Brown Boveri AG Switzerland Expired / Lapsed 1974-03-11 1975-05-20 1994-03-11 0.0 yrs 4
US3816079A Method of producing grid electrodes for electronic discharge vessels BBC Brown Boveri AG Switzerland Expired / Lapsed 1972-12-13 1974-06-11 1992-12-13 0.0 yrs 9
US3709599A Laser doppler flow probe with high spatial resolution BBC Brown Boveri AG Switzerland Expired / Lapsed 1970-11-10 1973-01-09 1990-11-10 0.0 yrs 5
US2365616A Regulating apparatus for gas turbine plants BBC Brown Boveri AG Switzerland Expired / Lapsed 1941-11-26 1944-12-19 1961-11-26 0.0 yrs 0
US2193114A Gas turbine plant BBC Brown Boveri AG Switzerland Expired / Lapsed 1938-03-17 1940-03-12 1958-03-17 0.0 yrs 0