Relief valve

Details Relief valve Relief valve

1985-07-09

1988-06-14

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Patent

active

D02962322

REFERENCES:
patent: D226524 (1973-03-01), Brindisi
patent: D232360 (1974-08-01), Watts
patent: D266019 (1982-08-01), Crossman
patent: D278551 (1985-04-01), Crossman
patent: 1833796 (1931-11-01), Rivero
patent: 1973258 (1934-09-01), Jensen
patent: 2138000 (1938-11-01), Ehlers
patent: 2155124 (1939-04-01), Gibbons
patent: 2174332 (1939-09-01), Schweighart
patent: 2628868 (1953-02-01), Mitcham
patent: 2781778 (1957-02-01), Lisciani
patent: 3131718 (1964-05-01), Mingrone
patent: 3335751 (1967-08-01), Davis, Jr.
patent: 4433702 (1984-02-01), Baker

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