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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 5 | |
#2 | Austria | 2 | |
#3 | Switzerland | 2 | |
#4 | Denmark | 2 | |
#5 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Machines |
# | Technology | |
---|---|---|
#1 | Spraying devices | |
#2 | Internal-combustion piston engines | |
#3 | Supplying combustion engines |
# | 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 |
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. |