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DEFONTAINE

Overview
  • Total Patents
    61
About

DEFONTAINE has a total of 61 patent applications. Its first patent ever was published in 1922. It filed its patents most often in France, EPO (European Patent Office) and China. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and environmental technology are SKF SVERIGE AB, NORMA HOFFMAN BEARINGS CORP and SAYWELL ASSOCIATES.

Patent filings per year

Chart showing DEFONTAINEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jacquemont Eric 24
#2 Bonnefous Jean 17
#3 Chatry Didier 14
#4 Delacou Jean-Michel 11
#5 Maraud Bruno 9
#6 Errard Germain 9
#7 Terve Daniel 7
#8 Gaudu Serge 3
#9 Douillard Frank 3
#10 Picot Thierry 3

Latest patents

Publication Filing date Title
FR2991415A1 Sealing device
FR2991414A1 Sealing device
FR2973087A1 BEARING HAS THREE ROWS AND MORE ROLLING BODIES
FR2956181A1 MULTIVOY VALVE DEVICE FOR CIRCULATING FLUIDS
FR2947598A1 Crown of orientation
FR2925240A1 MOTORIZED ORIENTATION CROWN
FR2911935A1 ORIENTATION CROWN WITH INTEGRATED ROTATION MOTOR.
FR2888293A1 Bear bearing bearing
FR2887934A1 Ring bearing radially retained
EP1616112A2 Engine flywheel device
FR2861020A1 Variable inertia flywheel assembly, starter and generator for internal combustion engine
US6929243B2 Butterfly valve
FR2799254A1 System for connecting a starter toothed crown on a support linked to the output shaft of a heat engine
FR2799253A1 system for connecting starter ring gear to output shaft of internal combustion engine has circumferential right angled sections with mating circumferential and radial faces respectively
FR2791753A1 Improved valve with elastomeric gasket
FR2777626A1 Valve with valves and inflatable membrane
FR2777625A1 Valve with two shutters controlling fluid flow
FR2724441A1 Valve with membrane
FR2721369A1 Sectional shutter valve.