Weatherhead Co
WeatherheaActive Patents
0
Total Holdings
22
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3966263A | Blend back proportioning valve for brake system | Expired / Lapsed | 1975-08-25 | 1976-06-29 | 17 | Details |
| US3442537A | Composite forged fitting of diverse metals | Expired / Lapsed | 1964-10-01 | 1969-05-06 | 0 | Details |
| US3097866A | Pressurized hose end | Expired / Lapsed | 1960-11-14 | 1963-07-16 | 2 | Details |
| US2904068A | Appliance regulator | Expired / Lapsed | 1956-05-14 | 1959-09-15 | 0 | Details |
| US2900999A | Valve seal | Expired / Lapsed | 1955-07-21 | 1959-08-25 | 0 | Details |
| US2570421A | Hose coupling | Expired / Lapsed | 1948-03-06 | 1951-10-09 | 0 | Details |
| US2556308A | Faucet | Expired / Lapsed | 1946-06-29 | 1951-06-12 | 0 | Details |
| US2492917A | Valve | Expired / Lapsed | 1946-02-18 | 1949-12-27 | 0 | Details |
| US2489929A | Anticreep brake control | Expired / Lapsed | 1947-01-30 | 1949-11-29 | 0 | Details |
| US2479683A | Flexible hose coupling | Expired / Lapsed | 1946-01-11 | 1949-08-23 | 0 | Details |
| US2463293A | Hose end | Expired / Lapsed | 1946-02-18 | 1949-03-01 | 0 | Details |
| US2460653A | Hose end | Expired / Lapsed | 1946-04-20 | 1949-02-01 | 0 | Details |
| US2442566A | Self-adjusting tappet | Expired / Lapsed | 1945-04-19 | 1948-06-01 | 0 | Details |
| US2441344A | Coupling | Expired / Lapsed | 1945-05-14 | 1948-05-11 | 0 | Details |
| US2432592A | Tubular connection | Expired / Lapsed | 1943-10-25 | 1947-12-16 | 0 | Details |
| US2333349A | Method of making hose couplings | Expired / Lapsed | 1941-09-26 | 1943-11-02 | 0 | Details |
| US2295829A | Vibration dampener | Expired / Lapsed | 1940-11-29 | 1942-09-15 | 0 | Details |
| US2131459A | Brake | Expired / Lapsed | 1935-02-01 | 1938-09-27 | 0 | Details |
| US2059920A | Compression fitting | Expired / Lapsed | 1934-04-27 | 1936-11-03 | 0 | Details |
| US2000680A | Hose coupling | Expired / Lapsed | 1931-12-18 | 1935-05-07 | 0 | Details |
| US1956554A | Method of making valve bodies | Expired / Lapsed | 1932-04-27 | 1934-05-01 | 0 | Details |
| US1942273A | Control device | Expired / Lapsed | 1932-08-30 | 1934-01-02 | 0 | Details |