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STUMPF JOHANN

Overview
  • Total Patents
    233
About

STUMPF JOHANN has a total of 233 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United Kingdom, Austria and Switzerland. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and control are RICHNER PETER, JOHANN STUMPF and TOBIAS J.

Patent filings in countries

World map showing STUMPF JOHANNs patent filings in countries
# Country Total Patents
#1 United Kingdom 69
#2 Austria 44
#3 Switzerland 35
#4 Denmark 32
#5 United States 29
#6 Spain 15
#7 Canada 8
#8 France 1

Patent filings per year

Chart showing STUMPF JOHANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stumpf Johann 218
#2 Paybach Anton 1

Latest patents

Publication Filing date Title
US1201383A Steam-engine.
US1155451A Distributing-valve for steam-engines.
GB191114928A Improvements relating to Valve Gear for Steam Engines.
GB191114927A Improvements relating to Distributing Valves for Steam Engines.
US1004494A Valve.
GB191105584A Improvements relating to Valves.
GB191101253A Improvements relating to the Governing of Engines.
US1045630A Unidirectional-flow steam-engine.
GB191028099A Improvements relating to Uni-directional Flow Steam-engines.
US994484A Steam-engine.
GB191025843A Improvements in Uni-directional Flow Steam-engines.
GB191025551A Improvements relating to Manoeuvring and like Gear for Uni-directional Flow Steam Engines.
GB191025382A Improvements relating to Uni-Directional Flow Steam Engines.
US1044828A Distribution-valve for steam-engines.
US1055239A Compressor.
US1069087A Steam-engine.
GB191020766A Improvements relating to Air Compressors.
US1043479A Steam-engine.
US1028632A Steam-engine.
GB191018029A Improvements in Uni-directional Flow Steam Engines.