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WOODWORTH CO N A

Overview
  • Total Patents
    160
About

WOODWORTH CO N A has a total of 160 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machine tools, machines and measurement are SANDVIK TOBLER, ERICKSON TOOL CO and SHEFFER COLLET CO.

Patent filings in countries

World map showing WOODWORTH CO N As patent filings in countries
# Country Total Patents
#1 United States 68
#2 United Kingdom 31
#3 Canada 30
#4 Germany 17
#5 France 12
#6 Italy 1
#7 Japan 1

Patent filings per year

Chart showing WOODWORTH CO N As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 George Hohwart 55
#2 Hohwart George 54
#3 Hohwart Ernest F 46
#4 Toth Paul 17
#5 Paul Toth 10
#6 Cross Kenneth O 4
#7 Kilgore Robert E 2
#8 Buckley Joseph B 2
#9 Frederick Hohwart Ernest 2
#10 Township Hohwart George Farmin 1

Latest patents

Publication Filing date Title
US4569530A Chuck jaw and mounting therefor
JPS54125582A Chuck jaw
US3945652A Adjustable work holding chuck
DE2358996A1 CLAMPING ARM
US3873107A Adjustable work holder with front and rear work holding jaws
US3604717A Pinch chuck
US3608915A Floating end stop for work-holding chuck
US3560010A Jaw mounting for chucks
US3497226A Work mounting chuck
US3472526A Universal power chuck
US3479042A Gear pin with pull-back action
US3344695A Floating work driver chuck
US3423098A Ball chuck with roll-back bearing
US3455567A Automated gear chuck
US3459433A Replaceable jaw inserts
US3460847A Fixture mounting assembly
US3370860A Backing screw
US3355182A Internal diaphragm chuck
US3380747A Adjustable compensating and centralizing chuck
US3365206A Work holding chuck