Learn more

JOHN DEERE KILLEFER COMPANY

Overview
  • Total Patents
    18
About

JOHN DEERE KILLEFER COMPANY has a total of 18 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States and Canada. Its main competitors in its focus markets agriculture, machines and mechanical elements are GRAHAM WILLIAM T, SUGANO NOKI KK and A ANDERSENS STAALVAREFABRIK AS.

Patent filings in countries

World map showing JOHN DEERE KILLEFER COMPANYs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 7

Patent filings per year

Chart showing JOHN DEERE KILLEFER COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Agriculture
#2 Machines
#3 Mechanical elements

Focus technologies

# Technology
#1 Crop agriculture
#2 Unspecified technologies
#3 Nails

Top inventors

# Name Total Patents
#1 Frank William R 11
#2 Rasmussen Clarence T 5
#3 Tsuchiya William S 3
#4 Douglas Earl H 2
#5 Mckay William R 2
#6 Crosson Lawrence A 2
#7 Mitchell Rollie H 2
#8 Wadelton Edwin F 1
#9 Tsuchiva William S 1
#10 Hagen Hobart I 1

Latest patents

Publication Filing date Title
US2795911A Hinged offset disk harrow
US2759312A Control means for tractor supported offset disk harrows
US2729043A Adjustable bearing connection
US2725812A Disk gang mounting
US2713297A Tractor-mounted offset disk harrow
US2604746A Flexible offset disk harrow
US2584614A Tool clamping means
US2608813A Offset disk harrow links
US2608814A Offset disk harrow
US2597121A Offset disk harrow
US2506807A Disk harrow
CA603949A Offset wheel harrow
CA495909A Disk harrow
CA488868A Flexible offset disk harrow
CA558642A Hinged offset disk harrow
CA546838A Control means for tractor supported offset disk harrows
CA520538A Tractor-mounted offset disk harrow
CA494048A Disk harrow