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DOERWALD GOTTFRIED LUDWIG MAX

Overview
  • Total Patents
    12
About

DOERWALD GOTTFRIED LUDWIG MAX has a total of 12 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United Kingdom, Austria and Switzerland. Its main competitors in its focus markets engines, pumps and turbines and machines are HEINRICH SCHLUEPMANN, GERTRUD SCHNUERLE and WALLMANN ENGINE COMPANY.

Patent filings in countries

World map showing DOERWALD GOTTFRIED LUDWIG MAXs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 Austria 2
#3 Switzerland 2
#4 Denmark 2
#5 United States 1

Patent filings per year

Chart showing DOERWALD GOTTFRIED LUDWIG MAXs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Doerwald Gottfried Ludwig Max 10
#2 Ludwig Max Doerwald Gottfried 2
#3 Bailey George Edward 1
#4 Steer Alfred 1
#5 Lecoche Jules 1
#6 Charles Henry Grant 1

Latest patents

Publication Filing date Title
US1102019A Internal-combustion engine.
GB191113769A Improvements in Two-stroke Internal Combustion Engines.
GB190909273A An Improved Fountain for Decorative and other purposes.
GB190821899A Improvements in the Propulsion of Vessels by High-speed Engines and Motors.
GB190515335A A Hydraulic Power Transmission Apparatus
GB190511404A Improvements in Carburetters for Internal Combustion Engines.