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Johns Manville Corp

Johns Manv
Active Patents
0
Total Holdings
108

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4081303A Pipe liner laminate and method of making a pipe with said l… Expired / Lapsed 1976-05-24 1978-03-28 4 Details
CA973273A Programmable irrigation computer Expired / Lapsed 1972-11-20 1975-08-19 0 Details
US3745748A Filtering process Expired / Lapsed 1970-10-29 1973-07-17 9 Details
US3432373A Method of forming a laminate and winding same into a roll Expired / Lapsed 1964-11-27 1969-03-11 0 Details
US3261473A Glass fiber cartridge filters for drycleaning solvent filtr… Expired / Lapsed 1964-02-12 1966-07-19 1 Details
US3246689A Heating or cooling wall panels Expired / Lapsed 1963-12-23 1966-04-19 2 Details
US3240658A Fiber reinforced plastic material and method of preparing Expired / Lapsed 1960-05-18 1966-03-15 2 Details
US3223676A Process for producing a molded gasket from polytetrafluoroe… Expired / Lapsed 1960-07-07 1965-12-14 2 Details
US3219600A Method of producing closed cell sponge rubber Expired / Lapsed 1963-12-18 1965-11-23 2 Details
US3159187A Filter bag fabric Expired / Lapsed 1962-09-04 1964-12-01 2 Details
US3099626A Sweetener for dry cleaners' solvents Expired / Lapsed 1958-12-31 1963-07-30 2 Details
US3033648A Hydrothermal process for the manufacture of hydrated calciu… Expired / Lapsed 1959-02-04 1962-05-08 2 Details
US2886859A Sound-absorbing wall treatment Expired / Lapsed 1954-12-27 1959-05-19 0 Details
US2738992A Pipe coupling Expired / Lapsed 1953-04-27 1956-03-20 0 Details
US2660409A Radiant heat exchange and acoustical structure for buildings Expired / Lapsed 1950-07-10 1953-11-24 0 Details
US2644780A Method of forming fluffed filamentary masses and article pr… Expired / Lapsed 1949-01-11 1953-07-07 4 Details
US2644551A Brake shoe and method of assembling same Expired / Lapsed 1946-07-02 1953-07-07 0 Details
US2613153A Refractory insulating brick and method of manufacture Expired / Lapsed 1949-05-17 1952-10-07 2 Details
US2588828A Composition for and method of producing coated cement surfa… Expired / Lapsed 1948-12-11 1952-03-11 4 Details
US2576698A Metal-sheathed insulating blanket and method of manufacture Expired / Lapsed 1948-04-14 1951-11-27 0 Details
US2574221A Method of forming a multilayered mat of intercrossed filame… Expired / Lapsed 1946-03-16 1951-11-06 2 Details
US2562262A Packing Expired / Lapsed 1946-01-26 1951-07-31 0 Details
US2561891A Insulating fabric Expired / Lapsed 1949-07-28 1951-07-24 2 Details
US2546230A Glass product and method of making the same Expired / Lapsed 1947-10-10 1951-03-27 2 Details
US2542601A Hair curler Expired / Lapsed 1946-05-24 1951-02-20 0 Details
US2517330A Apparatus for measuring the thickness of semiopaque material Expired / Lapsed 1949-09-07 1950-08-01 0 Details
US2505045A Filamentary product and method of its production Expired / Lapsed 1948-07-27 1950-04-25 0 Details
US2499227A Control mechanism for stud securing apparatus Expired / Lapsed 1947-10-29 1950-02-28 0 Details
US2493845A Method of waterproofing mineral wool Expired / Lapsed 1945-07-02 1950-01-10 2 Details
US2486120A Pipe coupling assembly Expired / Lapsed 1945-08-31 1949-10-25 0 Details
US2486217A Method and apparatus for expansion of fibrous mats Expired / Lapsed 1945-07-20 1949-10-25 0 Details
US2459721A Method of manufacturing gaskets Expired / Lapsed 1946-01-26 1949-01-18 0 Details
US2459720A Folded fabric gasket and method of manufacture Expired / Lapsed 1945-03-19 1949-01-18 0 Details
US2451046A Method of coupling pipe Expired / Lapsed 1944-09-20 1948-10-12 0 Details
US2446782A Manufacture of cementitious sheets Expired / Lapsed 1946-01-26 1948-08-10 0 Details
US2445210A Manufacture of fibro-cementitious sheets Expired / Lapsed 1945-12-04 1948-07-13 0 Details
US2436262A Apparatus for measuring turbidity photoelectrically Expired / Lapsed 1944-04-29 1948-02-17 0 Details
US2428555A Manufacture of magnesia insulation Expired / Lapsed 1943-03-27 1947-10-07 0 Details
US2409066A Manufacture of felted products Expired / Lapsed 1943-01-23 1946-10-08 0 Details
US2401663A Manufacture of fiber-cement sheets Expired / Lapsed 1944-05-11 1946-06-04 0 Details
US2398210A Packing and method of making the same Expired / Lapsed 1944-03-23 1946-04-09 0 Details
US2389460A Thermal insulation and method of manufacture Expired / Lapsed 1943-03-05 1945-11-20 0 Details
US2386294A Jet control Expired / Lapsed 1942-03-17 1945-10-09 0 Details
US2383604A Thermal insulation and method of manufacture Expired / Lapsed 1943-03-05 1945-08-28 0 Details
US2383066A Filter unit and method of making the same Expired / Lapsed 1943-03-25 1945-08-21 0 Details
US2379990A Pipe coupling Expired / Lapsed 1942-09-19 1945-07-10 0 Details
US2375284A Method of making mineral wool products Expired / Lapsed 1942-01-28 1945-05-08 0 Details
US2373914A Method of forming asbestos papers with gel binders Expired / Lapsed 1940-04-12 1945-04-17 0 Details
US2373183A Distributor for granular materials Expired / Lapsed 1942-06-03 1945-04-10 0 Details
US2369595A Wall construction Expired / Lapsed 1940-12-31 1945-02-13 0 Details
US2359751A Pipe protection machine Expired / Lapsed 1942-10-07 1944-10-10 0 Details
US2356826A Method of manufacturing mineral wool and product Expired / Lapsed 1940-05-24 1944-08-29 0 Details
US2355419A Composite brake lining Expired / Lapsed 1942-11-04 1944-08-08 0 Details
US2353226A Metallic packing Expired / Lapsed 1941-07-15 1944-07-11 0 Details
US2338839A Method of manufacturing mineral wool products Expired / Lapsed 1941-11-25 1944-01-11 0 Details
US2326516A Compressed and densified product and the method of making t… Expired / Lapsed 1940-01-19 1943-08-10 0 Details
US2324181A Pipe covering Expired / Lapsed 1940-09-11 1943-07-13 0 Details
US2321938A Coating process Expired / Lapsed 1940-06-19 1943-06-15 0 Details
US2318757A Packing Expired / Lapsed 1940-03-05 1943-05-11 0 Details
US2305516A Method of manufacturing mineral wool product Expired / Lapsed 1940-05-29 1942-12-15 0 Details
US2272639A Vibration isolating mounting Expired / Lapsed 1938-03-26 1942-02-10 0 Details
US2270268A Acoustical assembly Expired / Lapsed 1940-06-19 1942-01-20 0 Details
US2270335A Vibration isolator Expired / Lapsed 1939-12-30 1942-01-20 0 Details
US2247355A Method of making a compressed and densified product Expired / Lapsed 1936-07-18 1941-07-01 0 Details
US2246537A Method of making asbestos-cement pipe Expired / Lapsed 1937-03-18 1941-06-24 0 Details
US2239394A Insulated structure Expired / Lapsed 1937-03-15 1941-04-22 0 Details
US2221011A Method and apparatus for producing mineral wool Expired / Lapsed 1937-09-03 1940-11-12 0 Details
US2220993A Piston packing Expired / Lapsed 1937-07-21 1940-11-12 0 Details
US2221001A Ventilating ceiling Expired / Lapsed 1936-10-27 1940-11-12 0 Details
US2218638A Packing Expired / Lapsed 1938-07-21 1940-10-22 0 Details
US2215595A Decorative panel and method for making same Expired / Lapsed 1937-04-23 1940-09-24 0 Details
US2209547A Insulated pipe Expired / Lapsed 1936-05-06 1940-07-30 0 Details
US2194683A Siliceous product and method of making the same Expired / Lapsed 1936-10-29 1940-03-26 0 Details
US2173808A Structural unit Expired / Lapsed 1935-12-12 1939-09-19 0 Details
US2136585A Composite brake block Expired / Lapsed 1937-08-14 1938-11-15 0 Details
US2126411A Method for making mineral wool Expired / Lapsed 1934-04-17 1938-08-09 0 Details
US2116663A Method and means for shaping felts of frangible fibers Expired / Lapsed 1934-04-07 1938-05-10 0 Details
US2110280A Apparatus and method for making mineral wool Expired / Lapsed 1936-05-13 1938-03-08 0 Details
US2106829A Packing assembly Expired / Lapsed 1935-03-27 1938-02-01 0 Details
US2106293A Packing material and assembly Expired / Lapsed 1934-01-23 1938-01-25 0 Details
US2055446A Treated fibrous material Expired / Lapsed 1933-10-10 1936-09-22 0 Details
US2052603A Article of manufacture Expired / Lapsed 1932-09-09 1936-09-01 0 Details
US2040818A Coated diatomaceous earth product and method of making the … Expired / Lapsed 1932-07-29 1936-05-19 0 Details
US2036913A Sound absorbing article Expired / Lapsed 1932-08-06 1936-04-07 0 Details
US2033100A Structural assembly Expired / Lapsed 1932-10-20 1936-03-03 0 Details
US2029441A Acoustical structure Expired / Lapsed 1933-12-12 1936-02-04 0 Details
US2029352A Reenforced insulating roof slab Expired / Lapsed 1932-04-15 1936-02-04 0 Details
US2025038A Apparatus for making a braided product Expired / Lapsed 1932-04-20 1935-12-24 0 Details
US2022750A Method of manufacturing moistureresistant mineral wool Expired / Lapsed 1929-12-24 1935-12-03 0 Details
US2008682A Ring packing Expired / Lapsed 1932-09-19 1935-07-23 0 Details
US2008718A Structural material and method of making the same Expired / Lapsed 1932-07-23 1935-07-23 0 Details
US1990711A Pipe wrapping apparatus Expired / Lapsed 1929-04-04 1935-02-12 0 Details
US1985994A Porous material and process of making the same Expired / Lapsed 1932-01-13 1935-01-01 0 Details
US1977406A Fluid-jet nozzle for blowing mineral wool Expired / Lapsed 1931-05-19 1934-10-16 0 Details
US1973505A Power driven pipe wrapping and coating machine Expired / Lapsed 1930-01-13 1934-09-11 0 Details
US1970328A Preformed structural unit and method of making the same Expired / Lapsed 1933-04-24 1934-08-14 0 Details
US1956377A Insulating material and method of making Expired / Lapsed 1932-11-30 1934-04-24 0 Details
US1950484A Pipe wrapping tester Expired / Lapsed 1932-05-07 1934-03-13 0 Details
US1928699A Method of making mineral wool mixture Expired / Lapsed 1931-10-06 1933-10-03 0 Details
US1883401A Pipe wrapping apparatus Expired / Lapsed 1930-02-08 1932-10-18 0 Details
US1800609A Sheet fastening Expired / Lapsed 1929-03-30 1931-04-14 0 Details
US1742775A Pipe covering Expired / Lapsed 1926-08-11 1930-01-07 0 Details
US1686903A Brake lining Expired / Lapsed 1926-09-11 1928-10-09 0 Details
US1363565A Piston-packing Expired / Lapsed 1919-10-06 1920-12-28 0 Details
US1330979A Packing Expired / Lapsed 1919-04-12 1920-02-17 0 Details
US1329409A Flexible pipe-covering Expired / Lapsed 1919-11-06 1920-02-03 0 Details
US1273738A Packing-ringand process of making same. Expired / Lapsed 1917-12-14 1918-07-23 0 Details
US1222363A Piston-packing expander. Expired / Lapsed 1916-08-21 1917-04-10 0 Details