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KOPPY CORP

Overview
  • Total Patents
    35
About

KOPPY CORP has a total of 35 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets mechanical elements, machines and machine tools are BIKON TECHNIK GMBH, RECKER FLORIAN B and MUELLENBERG RALPH.

Patent filings in countries

World map showing KOPPY CORPs patent filings in countries

Patent filings per year

Chart showing KOPPY CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Prater Ronald E 16
#2 Good William K 5
#3 Good William Klay 4
#4 Harbage Wilson J 4
#5 Walker Herman B 3
#6 Harbage William J 2
#7 Uiriamu Kee Gutsudo 2
#8 Gain William J De 1
#9 Degain William J 1
#10 Sampson Sheldon E 1

Latest patents

Publication Filing date Title
US7243770B2 Clutch assembly including strengthening members
US6776274B2 Assembly for vehicle driveline components
US5906135A Coast clutch with power take off gear
US6007430A Two-piece carrier assembly
US5893704A Torque converter
US5896970A Clutch housing
US5881856A Clutch drum and method of manufacture
US5180043A Splined assembly
US4765167A Method of roll forming piston
DE3418307A1 Method for the production of a thin-walled shell in the shape of an annular channel and an apparatus for carrying out the method
CA1221582A Method of forming a thin walled annular channel
US4466566A Method of forming a thin walled annular channel
US4014619A Retainer ring and splined member assembly
US3699624A Stretch method for making a tubular product
CA897947A Workpiece indexing and feed apparatus