Diaphragm valve

Details Diaphragm valve Diaphragm valve

1990-08-10

1993-05-04

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Patent

active

D03353311

REFERENCES:
patent: D98061 (1936-01-01), Flodin
patent: D98363 (1936-01-01), Nordstrom
patent: D170855 (1953-11-01), Fox
patent: D213104 (1969-01-01), Towsend
patent: D240037 (1976-05-01), Kemp et al.
patent: 2881795 (1959-04-01), Waldenmaier et al.
patent: 2939672 (1960-06-01), Rich
patent: 3451423 (1969-06-01), Priese
patent: 4181151 (1980-01-01), Ensign
patent: 4624442 (1986-11-01), Duffy et al.
patent: 4827974 (1989-05-01), Coulter

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