Learn more

DUCELLIER & CIE

Overview
  • Total Patents
    1,626
About

DUCELLIER & CIE has a total of 1,626 patent applications. Its first patent ever was published in 1960. It filed its patents most often in France, Germany and Spain. Its main competitors in its focus markets engines, pumps and turbines, electrical machinery and energy and transport are SEV MARCHAL, ESPANOLA MAGNETOS FAB and PAL MAGNETON.

Patent filings per year

Chart showing DUCELLIER & CIEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Habert Roger 81
#2 Salomon Roger 43
#3 Chateau Louis 31
#4 Savelli Francis 17
#5 Plantin Denis 16
#6 Heritier-Best Pierre 14
#7 Best Pierre Heritier 14
#8 Orlhac Pierre 14
#9 Heritier Best Pierre 13
#10 Pierret Jean Marie 12

Latest patents

Publication Filing date Title
FR2620280A1 Electric power supply device
FR2612703A1 Method of making an alternator stator and alternator thus obtained
FR2612349A1 Electrical conductor coil former intended to be mounted on a rigid core, and its method of manufacture
FR2611976A1 Electric transformer, especially ignition coil for internal combustion engine
FR2609583A3 Brushless generator comprising an inductor unit with pole elements with claws
FR2609581A1 Dynamo-electric machine, particularly a motor vehicle alternator
FR2608220A3 Electronic ignition device for internal combustion engine
EP0230811A2 Ignition coil with a closed magnetic circuit
FR2608328A1 Method for connecting a first printed circuit to a second printed circuit, and printed circuits which enable such a method to be implemented and which are interconnected in this way
EP0240644A1 Dynamo-electric machine, in particular an alternator for a motor vehicle
FR2606465A1 Rotating electric machine fan
FR2605815A1 Self-excited alternator in overexcitation regime
FR2605467A1 Cooling device of an electrodynamic machine
FR2605471A2 Improvement to a temporary power supply device of the auxiliary circuits of a motor vehicle
FR2603079A1 Rolling-contact bearing provided with a shock-absorbing casing for a rotating electrical machine, especially for a motor vehicle alternator
FR2603142A1 Ac generator provided with a fan, particularly for motor vehicles
FR2603139A1 Machining process for vehicle alternator slip rings - parting conducting cylinder after surfacing using feed-in of rotary miller to form separate rings
FR2606460A1 Ignition distributor especially for an internal combustion engine
FR2603068A1 Ignition distributor for internal combustion engine
FR2602925A1 Internal ventilation device for a rotating electric machine such as an alternator