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DEFONTAINE SA

Overview
  • Total Patents
    47
About

DEFONTAINE SA has a total of 47 patent applications. Its first patent ever was published in 1972. It filed its patents most often in France, United States and Japan. Its main competitors in its focus markets mechanical elements, machines and engines, pumps and turbines are HYDREL AG, BABCOCK IND INC and INA BEARING CO.

Patent filings in countries

World map showing DEFONTAINE SAs patent filings in countries

Patent filings per year

Chart showing DEFONTAINE SAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bonnefous Jean 17
#2 Maraud Bruno 10
#3 Jacquemont Eric 8
#4 Douillard Franck 8
#5 Sagot Benoit 7
#6 Gaudu Serge 5
#7 Rocheteau Jean-Pierre 4
#8 Piquin Jean-Claude 4
#9 Errard Germain 4
#10 Chatry Didier 4

Latest patents

Publication Filing date Title
FR2888172A1 PROPULSION SYSTEM FOR A MOTOR VEHICLE HAVING A VARIABLE INERTIA WHEEL ASSEMBLY, STARTER, GENERATOR, GENERATOR AND MOTOR
FR2887943A1 Windbreak bearing with efforts transmission
FR2876169A1 BEARING CAGE ELEMENT
FR2859256A1 Crown of orientation
FR2854218A1 FLYWHEEL DEVICE
FR2847642A1 Limit switch detection system of a shutter of a valve operating according to an all or nothing mode
FR2835291A1 DEVICE FOR AUTOMATICALLY ACTUATING THE STARTER OF THE THERMAL MOTOR OF A VEHICLE
FR2833056A1 STARTER FLYWHEEL WITH FIXING OF THE TOOTHED CROWN BY ITS RADIAL SURFACE
FR2833057A1 NOISE STARTER
FR2827019A1 Device for automatic lubrication of ball bearings equipped in particular with wind turbines
FR2795460A1 Device for assembling at least two control elements by pressure fluid
FR2673988A1 A gate valve with floating stopper seal for high flow rates
FR2560660A1 Improvement to butterfly valves
FR2541557A2 PLANT FOR THE BREWING OF HOMOGENEIZATION OF CHARGED LIQUIDS
US4534082A Drainage unit for aircraft sanitation systems
FR2531061A1 Process and plant for methane fermentation of fermentable organic liquors of every kind.
FR2523568A1 Waste water sludge digester with low energy requirement - uses compressed methane by=product to pump, preheat and agitate sludge
FR2519965A1 Digestion of sewage sludge to produce methane and fertiliser - passes incoming sludge through steam ejector:mixer to preheat to about 95 deg. C
PT73842A Method and installation for manufacturing motor starter cutters
FR2443443A1 Treatment plant for organic waste esp. excreta for manure - uses centrifugal pump to recycle waste into pit and then discharge externally