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JACOBSEN MFG CO

Overview
  • Total Patents
    240
About

JACOBSEN MFG CO has a total of 240 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets agriculture, machines and civil engineering are SCHUMACHER II, MACDON IND LTD and CLAAS HUNGARIA KFT.

Patent filings in countries

World map showing JACOBSEN MFG COs patent filings in countries
# Country Total Patents
#1 United States 135
#2 Canada 41
#3 Germany 31
#4 United Kingdom 28
#5 Australia 4
#6 Switzerland 1

Patent filings per year

Chart showing JACOBSEN MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Heth Sherman C 35
#2 Haffner Donald G 34
#3 Akgulian Sahag C 25
#4 Kaufman Vernon R 24
#5 Strasel Raymond K 20
#6 Price Warren H 16
#7 Krenzke William F 10
#8 Lewis Evan T 9
#9 Barth John W 8
#10 Haffner Donald Gene 8

Latest patents

Publication Filing date Title
CA1042217A Hydraulic system for a gang lawn mower
US4149363A Lawn mower catcher
US4149362A Combined lawn mower and grass catcher
US4152884A Lawn mower with catcher accommodation
US4108456A Lawn mower handle mounting
US4135351A Rotary lawn mower grass mulcher
US4108120A Governor control for an internal combustion engine
US4134249A Mulching type of lawn mower
GB1481298A Powered lawn mower hydraulic system
US3990125A Mobile sweeper
US3992858A Hydraulic system for controlling a gang of lawn mowers
US3973379A Powered lawn mower hydraulic system
US3980068A Gasoline powered machine having two electric circuit switches
US3899040A Vehicle frame and drive train
US3924706A Truck vehicle
US3918240A Hydraulic system for a gang lawn mower
US3905180A Torsion spring counterbalance for a lawn mower
US3916849A Engine and hydraulic pump assembly
US3910016A Gang lawn mower
US3914948A Machine for burying an elongated flexible element of indefinite length utilizing contra-oscillatory blades