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PROPELLO INV S LTD

Overview
  • Total Patents
    14
About

PROPELLO INV S LTD has a total of 14 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and machines are EUGENE HIGGINS, YUNIKURA KK and CONST MECANIQUES CHENARD ET WA.

Patent filings in countries

World map showing PROPELLO INV S LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 United States 4
#3 France 3
#4 Germany 2

Patent filings per year

Chart showing PROPELLO INV S LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Joseph Yoxall 4

Latest patents

Publication Filing date Title
US2154882A Hydraulic power transmission device
GB471117A Improvements in or relating to braking devices
GB465408A Improvements in or relating to power transmission mechanism
GB448159A Improvements in or relating to hydraulic power transmission devices
GB459444A Improvements relating to actuating mechanism for change speed gearing
GB458591A Improvements in or relating to variable speed gearing
DE658515C Piston pump in which the pump piston can be driven by means of a rocker arm or the like
DE664337C Automatic adjustment device for band brakes
US2098125A Band-brake adjusting mechanism
US2055396A Pump