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HYDRAULIC CONTROL ENGINEERING

HYDRAULIC

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2377278A	Apparatus for controlling fluid pressure	Expired / Lapsed	1941-10-31	1945-05-29	0	Details
US2362854A	Rotary seal assembly	Expired / Lapsed	1942-12-04	1944-11-14	0	Details
US2362945A	Hydraulic control valve	Expired / Lapsed	1942-06-30	1944-11-14	0	Details
US2359802A	Hollow plunger control valve	Expired / Lapsed	1943-08-21	1944-10-10	0	Details