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Browse, filter, and analyze 48 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US3240658A Fiber reinforced plastic material and method of preparing Johns Manville Corp Expired / Lapsed 1960-05-18 1966-03-15 1980-05-18 0.0 yrs 2
US2660409A Radiant heat exchange and acoustical structure for buildings Johns Manville Corp Expired / Lapsed 1950-07-10 1953-11-24 1970-07-10 0.0 yrs 0
US2644780A Method of forming fluffed filamentary masses and article produced thereby Johns Manville Corp Expired / Lapsed 1949-01-11 1953-07-07 1969-01-11 0.0 yrs 4
US2613153A Refractory insulating brick and method of manufacture Johns Manville Corp Expired / Lapsed 1949-05-17 1952-10-07 1969-05-17 0.0 yrs 2
US2588828A Composition for and method of producing coated cement surfaces and the product resulting therefrom Johns Manville Corp Expired / Lapsed 1948-12-11 1952-03-11 1968-12-11 0.0 yrs 4
US2574221A Method of forming a multilayered mat of intercrossed filaments Johns Manville Corp Expired / Lapsed 1946-03-16 1951-11-06 1966-03-16 0.0 yrs 2
US2546230A Glass product and method of making the same Johns Manville Corp Expired / Lapsed 1947-10-10 1951-03-27 1967-10-10 0.0 yrs 2
US2542601A Hair curler Johns Manville Corp Expired / Lapsed 1946-05-24 1951-02-20 1966-05-24 0.0 yrs 0
US2517330A Apparatus for measuring the thickness of semiopaque material Johns Manville Corp Expired / Lapsed 1949-09-07 1950-08-01 1969-09-07 0.0 yrs 0
US2505045A Filamentary product and method of its production Johns Manville Corp Expired / Lapsed 1948-07-27 1950-04-25 1968-07-27 0.0 yrs 0
US2493845A Method of waterproofing mineral wool Johns Manville Corp Expired / Lapsed 1945-07-02 1950-01-10 1965-07-02 0.0 yrs 2
US2486217A Method and apparatus for expansion of fibrous mats Johns Manville Corp Expired / Lapsed 1945-07-20 1949-10-25 1965-07-20 0.0 yrs 0
US2486120A Pipe coupling assembly Johns Manville Corp Expired / Lapsed 1945-08-31 1949-10-25 1965-08-31 0.0 yrs 0
US2459720A Folded fabric gasket and method of manufacture Johns Manville Corp Expired / Lapsed 1945-03-19 1949-01-18 1965-03-19 0.0 yrs 0
US2459721A Method of manufacturing gaskets Johns Manville Corp Expired / Lapsed 1946-01-26 1949-01-18 1966-01-26 0.0 yrs 0
US2436262A Apparatus for measuring turbidity photoelectrically Johns Manville Corp Expired / Lapsed 1944-04-29 1948-02-17 1964-04-29 0.0 yrs 0
US2428555A Manufacture of magnesia insulation Johns Manville Corp Expired / Lapsed 1943-03-27 1947-10-07 1963-03-27 0.0 yrs 0
US2409066A Manufacture of felted products Johns Manville Corp Expired / Lapsed 1943-01-23 1946-10-08 1963-01-23 0.0 yrs 0
US2379990A Pipe coupling Johns Manville Corp Expired / Lapsed 1942-09-19 1945-07-10 1962-09-19 0.0 yrs 0
US2359751A Pipe protection machine Johns Manville Corp Expired / Lapsed 1942-10-07 1944-10-10 1962-10-07 0.0 yrs 0
Showing 1 to 20 of 48 patents
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