Assignee

PURDY PROPORTIONERS LTD

2 granted patents·13 citations·filing 1977–1987

Technology mixB01F2 A01K1 G05D1

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2 records

0133US4193516ALiquid proportioner for mixing two liquids in a predetermined ratioPURDY PROPORTIONERS LTD·Filed 1977·Granted Mar 18, 1980·11 cites·20 claims
0210US4830220ALiquid proportioner with filtering systemPURDY PROPORTIONERS LTD·Filed 1987·Granted May 16, 1989·2 cites·8 claims

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