| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | United States | 2 | |
| #4 | Brazil | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | India | 1 | |
| #7 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stapelfeldt Volker Dipl-Ing | 4 |
| #2 | Stapelfeldt Volker | 4 |
| #3 | Zoellner Peter | 3 |
| #4 | Zoellner Peter Dipl Ing | 2 |
| #5 | Stapelfeldt Volker Dipl Ing | 1 |
| #6 | Hahn Matthias Dipl Ing | 1 |
| #7 | Hahn Matthias Dipl-Ing | 1 |
| #8 | Wehrhahn Rodolfo | 1 |
| #9 | Zoellner Joerg-Peter Dipl-Ing | 1 |
| #10 | Pape Hans-Henning | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE19738064A1 | Control device for membrane pump for loading filter press | |
| DE19548949A1 | Piston diaphragm pump | |
| DE19511677A1 | Diaphragm piston pump | |
| DE4447209A1 | Solids pump | |
| DE4443778A1 | Double diaphragm pump | |
| DE4217204A1 | Solid fuel pump | |
| DE4214109A1 | Solid fuel pump |