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AMERICAN TRACTOR EQUIP CORP

Overview
  • Total Patents
    48
About

AMERICAN TRACTOR EQUIP CORP has a total of 48 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets civil engineering, agriculture and control are MORK ORLAN H, BRISCOE ERNEST V and BUDNY LUIZ CARLOS.

Patent filings in countries

World map showing AMERICAN TRACTOR EQUIP CORPs patent filings in countries

Patent filings per year

Chart showing AMERICAN TRACTOR EQUIP CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Knapp John F 5
#2 Sprenkel Roger L 5
#3 Mack Wooldridge 4
#4 Wooldridge Darrel M 4
#5 Sprenkel Roger Lloyd 3
#6 Kant Alvin W 3
#7 Kant A 3
#8 Wooldridge Darrel Mack 2
#9 Yount Willis H 2
#10 Wooldridge Mack 1

Latest patents

Publication Filing date Title
IT1076148B Automatic control for ripper tool - has depth control circuit to automatically change attitude of ripper blade
FR2387579A1 Automatic control for ripper tool - has depth control circuit to automatically change attitude of ripper blade
JPS53130803A Automatic adjuster for ripper tool loaded on tractor
AU2443077A Control device for a tractor mounted ripper tool
US4044838A Automatic control for ripper tool
JPS5151102A BURUTOOZANIMOCHIIRARERUCHOSETSUDEKIRU KOBAITSUKEITASOCHI
US3927536A Device for burying rigid wall pipe
ZA7004184B Linkage for a ground ripping tool
FI57037B LAENKSYSTEM Foer UPPBAERANDE AV ETT SKAERVERKTYG I POSITION Foer ANVAENDNING PAO EN TRAKTOR
GB1253937A Linkage for a ground ripping tool
US3657831A Offsetting cable plow
DE1917544A1 Mechanical excavator working with vibration
GB1235609A Vibratory ripper
US3539018A Ripper
US3515222A Cable plow mounting
US3403521A Cable plow
US3461971A Vyba mount
US3297096A Compaction, cutter, crusher unit
US2769625A Swingable mount for ripper blade
US2444321A Earth working tool