Dole Valve Co
Dole ValveActive Patents
0
Total Holdings
38
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3391900A | Diaphragm flow control device | Expired / Lapsed | 1966-09-16 | 1968-07-09 | 2 | Details |
| US3372709A | Zone valve | Expired / Lapsed | 1965-09-13 | 1968-03-12 | 0 | Details |
| US3307751A | Anti-foaming flow restrictor | Expired / Lapsed | 1966-01-19 | 1967-03-07 | 0 | Details |
| US3294030A | Positive displacement syrup pump | Expired / Lapsed | 1964-12-03 | 1966-12-27 | 2 | Details |
| US3273850A | Zone valve | Expired / Lapsed | 1963-10-09 | 1966-09-20 | 2 | Details |
| US3074431A | Multi-way rotary disc valve | Expired / Lapsed | 1958-11-07 | 1963-01-22 | 2 | Details |
| US2910093A | Side wall flow control | Expired / Lapsed | 1955-05-19 | 1959-10-27 | 0 | Details |
| US2895676A | Water tempering valve | Expired / Lapsed | 1956-02-15 | 1959-07-21 | 0 | Details |
| US2830743A | Three way valve assembly | Expired / Lapsed | 1956-03-05 | 1958-04-15 | 0 | Details |
| US2827076A | Pressure compensating flow control valve | Expired / Lapsed | 1954-04-07 | 1958-03-18 | 0 | Details |
| US2815041A | Single solenoid hydraulic control valve | Expired / Lapsed | 1955-11-22 | 1957-12-03 | 0 | Details |
| US2811286A | Liquid measuring and dispensing device | Expired / Lapsed | 1956-04-19 | 1957-10-29 | 0 | Details |
| US2756773A | Juice concentrate dispenser valve | Expired / Lapsed | 1950-09-13 | 1956-07-31 | 0 | Details |
| US2728355A | By-pass flow washer | Expired / Lapsed | 1953-10-30 | 1955-12-27 | 0 | Details |
| US2652708A | Combined clothes washer and drier | Expired / Lapsed | 1949-01-06 | 1953-09-22 | 0 | Details |
| US2628809A | Seat for rotary plug valve | Expired / Lapsed | 1945-02-26 | 1953-02-17 | 0 | Details |
| US2620133A | Mixing valve | Expired / Lapsed | 1949-05-28 | 1952-12-02 | 0 | Details |
| US2593315A | Flow control device | Expired / Lapsed | 1946-10-31 | 1952-04-15 | 0 | Details |
| US2575489A | Dispenser unit | Expired / Lapsed | 1945-03-17 | 1951-11-20 | 0 | Details |
| US2572244A | Drinking fountain apparatus | Expired / Lapsed | 1946-02-04 | 1951-10-23 | 0 | Details |
| US2558962A | Fluid valve structure | Expired / Lapsed | 1947-01-02 | 1951-07-03 | 0 | Details |
| US2548651A | Fluid control system for laundering apparatus | Expired / Lapsed | 1944-03-20 | 1951-04-10 | 0 | Details |
| US2528422A | Fluid mixing control system | Expired / Lapsed | 1945-11-13 | 1950-10-31 | 0 | Details |
| US2500750A | Fluid control unit | Expired / Lapsed | 1944-01-13 | 1950-03-14 | 0 | Details |
| US2489932A | Flow control device | Expired / Lapsed | 1946-07-08 | 1949-11-29 | 0 | Details |
| US2467217A | Hot-water automatic vent valve | Expired / Lapsed | 1947-10-23 | 1949-04-12 | 0 | Details |
| US2458978A | Fluid control system and mechanism | Expired / Lapsed | 1944-04-24 | 1949-01-11 | 0 | Details |
| US2454929A | Flow control | Expired / Lapsed | 1944-07-17 | 1948-11-30 | 0 | Details |
| US2449766A | Means for producing uniform fluid mixtures | Expired / Lapsed | 1944-03-01 | 1948-09-21 | 0 | Details |
| US2444677A | Flow control device | Expired / Lapsed | 1946-12-14 | 1948-07-06 | 0 | Details |
| US2433732A | Valve | Expired / Lapsed | 1943-08-27 | 1947-12-30 | 0 | Details |
| US2389134A | Flow control valve | Expired / Lapsed | 1943-07-05 | 1945-11-20 | 0 | Details |
| US2321573A | Washing machine | Expired / Lapsed | 1940-12-23 | 1943-06-15 | 0 | Details |
| US2314963A | Automatic air vent valve | Expired / Lapsed | 1940-05-28 | 1943-03-30 | 0 | Details |
| US2287810A | Mixing valve | Expired / Lapsed | 1938-12-22 | 1942-06-30 | 0 | Details |
| US2278421A | Valve device | Expired / Lapsed | 1939-07-08 | 1942-04-07 | 0 | Details |
| US2200318A | Valve, self-closing against pressure | Expired / Lapsed | 1937-02-23 | 1940-05-14 | 0 | Details |
| US2179127A | Pipe coupling | Expired / Lapsed | 1937-06-05 | 1939-11-07 | 0 | Details |