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ROBERT H CLARK

Overview
  • Total Patents
    30
About

ROBERT H CLARK has a total of 30 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and packaging and shipping are WESSON MULTICUT COMPANY, KAISER HEINZ AG and HAMILTON MARTIN N.

Patent filings in countries

World map showing ROBERT H CLARKs patent filings in countries
# Country Total Patents
#1 United States 30

Patent filings per year

Chart showing ROBERT H CLARKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilson Harry C 15
#2 Smith Lawson A 10
#3 Panushka John B 1
#4 Owen Robert G 1
#5 Wheeler Leonard A 1
#6 Allen Smith Lawson 1
#7 Danley Tilton 1
#8 Carl Wilson Harry 1

Latest patents

Publication Filing date Title
US2671362A Surface mounted screw cap remover
US2615240A Can opening mechanism
US2510357A Mounting for implements such as can openers
US2618304A Bit with adjustable cutting blade
US2576376A Drilling bit for wood or the like
US2593823A Bit with interchangeable blade
US2577987A Bit with detachable blade
US2662279A Device for removing the ends of cans
US2577986A Expansion bit
US2496426A Toolholder
US2444621A Toolholder
US2428099A Cutting tool
US2496427A Expansion bit
US2551778A Sweep cutter
US2389385A Receptacle
US2429382A Combined drill and cutter
US2427816A Tool
US2437364A Drill and countersink tool
US2397300A Work carrier
US2425409A Toolholder