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HOUGH CO FRANK

Overview
  • Total Patents
    199
About

HOUGH CO FRANK has a total of 199 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets civil engineering, mechanical elements and transport are HANDOZER IND CO LTD, VOLVO CONSTR EQUIP HOLDING SE and VOLVO CONSTR EQUIP AB.

Patent filings in countries

World map showing HOUGH CO FRANKs patent filings in countries
# Country Total Patents
#1 United States 97
#2 Canada 42
#3 France 27
#4 United Kingdom 23
#5 Germany 8
#6 Switzerland 2

Patent filings per year

Chart showing HOUGH CO FRANKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Strader Don S 34
#2 Granryd Thorvald G 34
#3 Beyerstedt Ralph L 33
#4 Kampert Keith W 21
#5 Zimmerman Richard F 9
#6 Karl Salna 6
#7 Mark Herbert A 4
#8 Conrad Marcus L 3
#9 Askins William J 3
#10 Konefes Joseph H 3

Latest patents

Publication Filing date Title
US3250411A Hydraulic control system for tractor loader
US3251492A Automatic boom positioning device
US3226859A Mounting assembly for dozer blade
GB1057820A Improvements in and relating to boom loaders
US3208501A Ballast filled pneumatic tire construction
US3227297A Grab attachment for tractor loader
US3246778A Articulated tractor loader
US3237790A Articulated four-wheel drive earthworking vehicle
US3175864A Rear dump trailer
US3187913A Implement position control mechanism
US3197051A Bucket indexing mechanism for tractor loaders
US3227238A Hydraulic steering systems
US3198360A Bucket position control mechanism
US3227300A Attachments for tractor loader
GB950266A A new or improved bucket position indicator for a loading machine
US3140001A Ejector mechanism for tractor loaders
US3171555A Tractor loaders
US3203566A Tractor fork loader
US3148465A Tractor loaded with two-piece bucket
US3175315A Adjustable bulldozer blade mounting