WALLMANN HENNING FRIEDRICH has a total of 12 patent applications. Its first patent ever was published in 1895. It filed its patents most often in United States, United Kingdom and Switzerland. Its main competitors in its focus markets basic materials chemistry, engines, pumps and turbines and machines are FIREY JOSEPH C, CHOIDAS DIONYSIOS CHARALABOUS and LEAS ARNOLD M.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | United Kingdom | 2 | |
#3 | Switzerland | 1 | |
#4 | Spain | 1 |
# | Industry | |
---|---|---|
#1 | Basic materials chemistry | |
#2 | Engines, pumps and turbines | |
#3 | Machines | |
#4 | Mechanical elements | |
#5 | Transport |
# | Name | Total Patents |
---|---|---|
#1 | Wallmann Henning Friedrich | 10 |
#2 | Wallmann Henning-Friedrich | 1 |
Publication | Filing date | Title |
---|---|---|
US1210388A | Apparatus for distilling fuel. | |
US1072536A | Gas-producer. | |
US1177584A | Apparatus for generating gas. | |
US1146776A | Process of manufacturing gas. | |
US1045480A | Friction-coupling. | |
US1047348A | Gas-generating apparatus. | |
GB190102701A | Improvements in Internal-combustion Engines. | |
US778289A | Combined internal-combustion and air engine. | |
US677048A | Internal-combustion engine. | |
GB189503923A | Improvements in Petroleum and Gas Motors. |