Learn more

IMP KNIFE ASS CO

Overview
  • Total Patents
    18
About

IMP KNIFE ASS CO has a total of 18 patent applications. Its first patent ever was published in 1956. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machine tools, furniture and games and consumer goods are AUTO STROP PATENTS CORP, IRELAND WILLIAM A and DURHAM DUPLEX RAZOR COMPANY.

Patent filings in countries

World map showing IMP KNIFE ASS COs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 5
#3 Germany 3
#4 United Kingdom 1

Patent filings per year

Chart showing IMP KNIFE ASS COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Baer Albert M 6
#2 Rakatansky Harold 4
#3 Tausendfreundt Jay G 3
#4 Thompson Willis F 2
#5 Ashton Harold P 1
#6 Gentile Albert 1
#7 Burrows Thomas M 1
#8 Raper Jr Julian R 1
#9 Barrett Edward C 1
#10 Tausendfreundt Jay 1

Latest patents

Publication Filing date Title
US4203208A Biased pocket knife scissors
US4167811A Folding knife
US4071212A Implement rack
CA1022343A Blade sharpener
DE2521256A1 Sharpener for knives or shears - has small grinding wheel with conical discs to give correct sharpening angle
GB1253553A Portable pneumatically operable clamp
US3488845A Knife blade with double serrated edge
US3432159A Portable pneumatically operated clamp for gripping a group of elongated spaced parallel articles for finishing operations
US3316636A Power operated cutting knife
US2896321A Knife handle
US2896576A Combination pocket knife and pen
US2825968A Knife blade
CA619496A Knife handle and method of making the same
CA833827A Knife blade with double serrated edge
CA854050A Portable pneumatically operated clamp for gripping a group of elongated spaced parallel articles for finishing operations
CA602536A Cover unit for a pocket knife and a process for making the same