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NAT SUPPLY CO

Overview
  • Total Patents
    416
About

NAT SUPPLY CO has a total of 416 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets civil engineering, machines and mechanical elements are OIL WELL SUPPLY CO, GREVE EDGAR E and ALEXANDER BOYNTON.

Patent filings in countries

World map showing NAT SUPPLY COs patent filings in countries
# Country Total Patents
#1 United States 361
#2 United Kingdom 45
#3 Germany 7
#4 France 3

Patent filings per year

Chart showing NAT SUPPLY COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wright Clyde S 37
#2 Spalding John D 27
#3 Young Forrest J 25
#4 Mahan Joseph R 23
#5 Archer Merton T 20
#6 Picard John B 17
#7 Edward Timbs 17
#8 Deitrickson Roy H 15
#9 Knox Donald G 10
#10 Long Spencer W 9

Latest patents

Publication Filing date Title
GB8716629D0 A pipe coupling
GB8712910D0 Wellhead assembly
GB8712063D0 A connector
GB8712062D0 Valve override mechanism
GB8701143D0 Landing device
GB8615795D0 Sealing between casing head and hanger
GB2111140A Seals
GB2127458A Methods and apparatus for independent support of well pipe hangers
GB2110278A Self levelling underwater structure
GB2110783A Multiple flowline connector
GB2110271A Installing and connecting underwater flowlines
GB2110741A Remotely operated valve
GB2110782A Connecting underwater flowlines
US2959136A Downwell pump
US2966895A Control valves for fluid actuated pumps
US2966893A Control valves for fluid actuated pumps
US2966894A Control valves for fluid actuated pumps
GB838592A Liquid pulsation damper
US2918015A Free piston pumping device for gas wells and oil wells
US2905200A Pulsation damper