Learn more

FLUID CONTROLS INC

Overview
  • Total Patents
    32
About

FLUID CONTROLS INC has a total of 32 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets machines, mechanical elements and control are ADEOLA AG, HYDRAULIC EQUIPMENT COMPANY and MERIT ENGINEERING INC.

Patent filings per year

Chart showing FLUID CONTROLS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grawunde Frederick G 7
#2 Haynes Henry T 5
#3 Boyce Donald A 4
#4 Swatty E 3
#5 Thompson Earl E Sr 3
#6 Stark Donald A 2
#7 Merkel Stephen F 2
#8 Bartolo Ernest A Di 2
#9 De Marco Robert F 2
#10 Ellmers Charles R 1

Latest patents

Publication Filing date Title
US5284298A Fluid-conducting swivel and method
US5141260A Force-transferring double-containment plastic pipe assembly
US4669495A Adjustable flow regulating valve
EP0082617A1 Flow regulating valve
US4346733A Control valve
US4336826A Control valve
US4305566A Fluid control valve
US4197871A Fluid control valve
US4136753A Vehicle power steering system
US4148337A Free delivery return valve and associated system
US3987625A Combined sensor and control
US3790125A Control valve with power accumulating, snap action, spool drive
US3737254A Regenerative rapid stroke reciprocating hydraulic pressure converter
US3780765A Restrictive flow regulating valve and control circuit employing same
US3579989A Linear self-synchronizing master-slave hydraulic remote control device
US3482525A Rotary pump or motor
US3435838A Valve for converting single input flow into a plurality of pressure compensated regulated output flows
US3433253A Free delivery controlled return valve
US3421545A Free delivery and variably restricted return valve
US3387735A Metal insert for wall openings and method of combining the same therewith