De Laval Separator Co
De Laval SActive Patents
0
Total Holdings
18
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2941712A | Centrifugal separation system with emergency control | Expired / Lapsed | 1955-03-25 | 1960-06-21 | 0 | Details |
| US2688500A | Coupling for pipes | Expired / Lapsed | 1952-01-02 | 1954-09-07 | 0 | Details |
| US2579865A | Induction motor | Expired / Lapsed | 1948-11-09 | 1951-12-25 | 0 | Details |
| US2488754A | Milking machine time determiner | Expired / Lapsed | 1945-10-31 | 1949-11-22 | 0 | Details |
| US2428247A | Means for causing electric impulses | Expired / Lapsed | 1945-02-17 | 1947-09-30 | 0 | Details |
| US2369822A | Centrifugal bowl | Expired / Lapsed | 1942-08-05 | 1945-02-20 | 0 | Details |
| US2240141A | Centrifuge | Expired / Lapsed | 1938-07-12 | 1941-04-29 | 0 | Details |
| US2053185A | Cushion for centrifugal tubes | Expired / Lapsed | 1932-07-29 | 1936-09-01 | 0 | Details |
| US2037467A | Continuous milk delivery system | Expired / Lapsed | 1932-05-31 | 1936-04-14 | 0 | Details |
| US2006393A | Apparatus for delivering milk to cans | Expired / Lapsed | 1933-03-16 | 1935-07-02 | 0 | Details |
| US1995611A | Milk pump | Expired / Lapsed | 1933-02-23 | 1935-03-26 | 0 | Details |
| US1928424A | Vacuum milk receiver | Expired / Lapsed | 1931-06-20 | 1933-09-26 | 0 | Details |
| US1648436A | Liner stretcher for teat cups of milking machines | Expired / Lapsed | 1926-11-17 | 1927-11-08 | 0 | Details |
| US1561784A | Nonaerating apparatus for centrifugally purifying liquids | Expired / Lapsed | 1924-10-08 | 1925-11-17 | 0 | Details |
| US1464707A | Process of separating wax from mineral-oil lubricating stock | Expired / Lapsed | 1921-10-22 | 1923-08-14 | 0 | Details |
| US1374650A | Vacuum-pump | Expired / Lapsed | 1920-02-03 | 1921-04-12 | 0 | Details |
| US1352204A | Yieldable bearing for centrifugal machines | Expired / Lapsed | 1919-01-08 | 1920-09-07 | 0 | Details |
| US1089838A | Teat-cup for milking-machines. | Expired / Lapsed | 1912-06-01 | 1914-03-10 | 0 | Details |