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GARDNER DENVER CO

Overview
  • Total Patents
    910
About

GARDNER DENVER CO has a total of 910 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, machines and machine tools are GREVE EDGAR E, NAT SUPPLY CO and OIL WELL SUPPLY CO.

Patent filings in countries

World map showing GARDNER DENVER COs patent filings in countries

Patent filings per year

Chart showing GARDNER DENVER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pearson Gustav C 30
#2 Workman William Jr 22
#3 Shulters Robert B 21
#4 Baker William J 21
#5 Bos John R 20
#6 Mayer James R 18
#7 Anderson Floyd R 16
#8 Huffman Mervin C 15
#9 Gustafson Hjalmer C 13
#10 Robinson Claude L 13

Latest patents

Publication Filing date Title
US6599103B2 Locomotive air compressor with outboard support bearing
CA1046744A Cutting and insulation stripping apparatus for twisted wire pair
CA1052753A Control system for helical screw compressor
CA1037821A Hydraulic rock drill system
US4123203A Multistage helical screw compressor with liquid injection
US4128135A Drill pipe handling mechanism
CA1060238A Drive mechanism for power ratchet wrench
US4100982A Drill cuttings separation and control apparatus
US4123188A Control system for peck drilling tool
US4102583A Profile cutter
US4122731A Multispeed gear transmission with plural inputs to internal gear
US4088289A Mast support arrangement for portable drill rig
US4051875A Conductor wrapping bit
US4069877A Mechanism for tensioning fluid hoses on a rock drill feed
CA1046805A Low pressure shutoff valve for fluid operated tool
US4068980A Compressor startup control
CA1039252A Enclosed compressor unit
US4090688A Low pressure shutoff valve for fluid operated tool
US4071125A Power transmission with torque converter lockup clutch
US4062431A Power transmission with modulating torque converter input clutch