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JOHANN KUPKA

Overview
  • Total Patents
    16
About

JOHANN KUPKA has a total of 16 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets engines, pumps and turbines, machines and transport are ARTURO CAPROTTI, GEN TEK TECHNOLOGIES MARKETING and JULES HALTENBERGER INC.

Patent filings in countries

World map showing JOHANN KUPKAs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 United States 5
#3 Germany 3

Patent filings per year

Chart showing JOHANN KUPKAs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Johann Kupka 5

Latest patents

Publication Filing date Title
GB415760A Improvements relating to steam locomotive engines
GB416714A Improvements relating to locomotives
GB417377A Improvements relating to cylinder castings for steam locomotives
GB327002A Improvements in or relating to locomotive steam engines
US1748844A Valve gear
US1638736A Cylinder casting for steam engines
US1738435A Cam-operated balanced valve gear for steam locomotives and like engines
GB268461A Improvements relating to cam operated valve gear for reciprocatory steam engines
GB260332A Improvements in or relating to valves and valve gear for steam locomotive and like engines
US1854044A Valve box for steam or like engines
US1665966A Locomotive-valve gear
GB252267A Improvements in locomotive valve gear
GB252219A Improvements in locomotive valve gear