| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 16 | |
| #2 | France | 16 | |
| #3 | United Kingdom | 5 | |
| #4 | Italy | 5 | |
| #5 | United States | 5 | |
| #6 | Sweden | 2 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Control | |
| #3 | Measurement | |
| #4 | Computer technology | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sieper Horst | 4 |
| #2 | Otulak Josef | 3 |
| #3 | Holzem Heinz | 3 |
| #4 | Frohberg Guenther | 3 |
| #5 | Portmann Bernd | 3 |
| #6 | Hermann Baeumler Dr | 2 |
| #7 | Anton Bergmann Gerhard | 2 |
| #8 | Stiefeling Gunter | 2 |
| #9 | Henning Hans Joachim | 2 |
| #10 | Baumgartner Hans | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3635598A | Diaphragm pump | |
| DE1936321A1 | Test stand and / or procedure for testing and adjusting carburetors for internal combustion engines | |
| DE1922902A1 | Test stand and / or procedure for testing and adjusting carburetors for internal combustion engines | |
| US3659091A | Method and circuit for continuously evaluating deviations by counting | |
| DE1804532A1 | Upper part for a membrane pump | |
| DE1653594B1 | Diaphragm pump | |
| US3368538A | Fuel pump for motor vehicles |