Learn more

SIGMA DIESEL

Overview
  • Total Patents
    39
About

SIGMA DIESEL has a total of 39 patent applications. Its first patent ever was published in 1973. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are EXPL DES PROCEDES CHIMIQUES ET, VOLKSWAGEN MECHATRONIC GMBH and MONO CAM LTD.

Patent filings in countries

World map showing SIGMA DIESELs patent filings in countries

Patent filings per year

Chart showing SIGMA DIESELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Vuaille Andre 6
#2 Borrel Jean 2
#3 Gauche Claude 2
#4 Tissot Raymond 2
#5 Leblanc Jean 2
#6 Rossignol Francois 1
#7 Andre Vuaille 1
#8 Gauche Nee Lelandais Administr 1
#9 Leblank Zhan 1

Latest patents

Publication Filing date Title
GB2023720A Return-flow valve for an injection pump
DE2746341A1 PERFORMANCE LIMITING DEVICE FOR AN INJECTION PUMP
GB1564741A Fuel injection pump
SU676186A3 Distributing pump
US3977343A Fuel injection pump regulating device
GB1479629A Injection pumps for internal combustion engines
GB1425913A Device for regulating the delivery of a fuel injection pump of an internal combustion engine
US3985474A Hydraulic heads for injection pumps and the injection pumps themselves
US3945773A Hydraulic heads for injection pumps and the injection pumps themselves
FR2230241A5 Rotating joint for lathe turret - has series of annular lubricating oil grooves in rotating sleeve
GB1428824A Fuel injection pumps
FR2225045A5 Eccentric gear pump or motor - has composite single piece figure-of-8 seal between bushes and end plate