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KARL SCHARFENBERG

Overview
  • Total Patents
    13
About

KARL SCHARFENBERG has a total of 13 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets transport, mechanical elements and machine tools are BOLDYREV ALEKSEJ PETROVICH, EISENBAHNTECH HALBERSTADT GMBH and WATSON CECIL.

Patent filings in countries

World map showing KARL SCHARFENBERGs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Germany 5
#3 France 1
#4 United Kingdom 1

Patent filings per year

Chart showing KARL SCHARFENBERGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Mechanical elements
#3 Machine tools

Focus technologies

# Technology
#1 Couplings
#2 Springs
#3 Tools for connecting or disengaging

Top inventors

# Name Total Patents
#1 Karl Scharfenberg 6
#2 Scharfenberg Karl 2

Latest patents

Publication Filing date Title
US2101721A Spring
US2054005A Car coupler
US1998388A Draw and buffer gear
US1585420A Railway-car coupling
GB226465A Improvements in central buffer couplings for railway vehicles