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DEFONTENAY PAUL

Overview
  • Total Patents
    24
About

DEFONTENAY PAUL has a total of 24 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets mechanical elements, packaging and shipping and machine tools are FUJI IRON WORKS, GUTTIN CHRISTIAN SARL and GODLEWSKI EDWARD S.

Patent filings in countries

World map showing DEFONTENAY PAULs patent filings in countries
# Country Total Patents
#1 Germany 7
#2 United Kingdom 6
#3 United States 4
#4 France 3
#5 Switzerland 2
#6 Belgium 1
#7 Spain 1

Patent filings per year

Chart showing DEFONTENAY PAULs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Defontenay Paul 11
#2 De Bourgues Jacques 2
#3 Bourgues Jacques De 2
#4 Paul Defontenay 2

Latest patents

Publication Filing date Title
FR2070485A5 Control system for centrifuge - to produce differential rotation
GB1274526A Means for converting continuous motion to intermittent motion
US3529423A Apparatus for winding and unwinding sheet material or the like
GB1221957A Improvements relating to apparatus for transferring material by winding from one spindle to another
GB1221956A Improvements in or relating to tension control in winding apparatus
GB901595A Hydraulic speed control system
US2813601A Speed regulating brake for reels
GB756052A Improved self regulating brake for automatic torque control
ES208907A1 A new unión mode between sprockets and trees (Machine-translation by Google Translate, not legally binding)
US2845696A Mode of connection between pinions and shafts
GB736878A Improvements in methods of and means for connecting toothed wheels to shafts