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HAYS MFG CO

Overview
  • Total Patents
    78
About

HAYS MFG CO has a total of 78 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets mechanical elements, machines and control are BRYAN DONKIN CO LTD, EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES INC and ROBERTS BRASS MFG CO.

Patent filings in countries

World map showing HAYS MFG COs patent filings in countries
# Country Total Patents
#1 United States 52
#2 United Kingdom 8
#3 Canada 5
#4 Spain 5
#5 France 5
#6 Germany 2
#7 Denmark 1

Patent filings per year

Chart showing HAYS MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Miller Wesley G 14
#2 Windsor Richard T 9
#3 Hitchcock Otto G 9
#4 Bradbury James G 9
#5 Greer Leonard S 5
#6 Haulik Leo J 4
#7 Schneider Henry E 3
#8 Alvin Lodge 3
#9 Decker Clarence W 3
#10 William Schneider 2

Latest patents

Publication Filing date Title
US3633868A Solenoid-controlled pilot valve
GB1189079A Sealing Washer
US3540481A Automatic locking valve
US3496952A Valve with soluble closure member
US3511254A Liquid control valve
US3428339A Pipe coupling
US3276479A Flow control
US3379406A Diaphragm valve with water hammer preventer
US3307823A Pilot controlled valve having improved sealing means
US3272542A Resilient connecting device
US3131953A Valve and means for attaching the same to a conduit
US3160387A Valve with seating structure
US3036782A Flow control and sprinkler combination
US3059892A High temperature pilot control valve
US3079675A Inverted plug type valve
GB850128A Improvements in or relating to fluid flow control valves
US3189125A Flow control
FR1180144A Advanced valve
GB821903A Improvements in or relating to pilot operated fluid flow control valves
US2919717A Diverting valve