| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Austria | 2 | |
| #4 | Australia | 2 | |
| #5 | Switzerland | 2 | |
| #6 | China | 2 | |
| #7 | EPO (European Patent Office) | 2 | |
| #8 | Croatia | 2 | |
| #9 | Norway | 2 | |
| #10 | Brazil | 1 | |
| #11 | Canada | 1 | |
| #12 | EAPO (Eurasian Patent Organization) | 1 | |
| #13 | Israel | 1 | |
| #14 | Republic of Korea | 1 | |
| #15 | Lithuania | 1 | |
| #16 | Latvia | 1 | |
| #17 | Mexico | 1 | |
| #18 | Poland | 1 | |
| #19 | Singapore | 1 | |
| #20 | Slovenia | 1 | |
| #21 | United States | 1 | |
| #22 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #23 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Biotechnology | |
| #4 | Basic materials chemistry | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Solid waste disposal | |
| #3 | Microbiology | |
| #4 | Climate change mitigation in wastewater treatment | |
| #5 | Separating solids using liquids | |
| #6 | Water treatment | |
| #7 | Fuels | |
| #8 | Mixing | |
| #9 | Cremation furnaces | |
| #10 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartmann Rudolf | 30 |
| #2 | Widmer Christian | 14 |
| #3 | Wuethrich Hans | 9 |
| #4 | Wuthrich Hans | 2 |
| #5 | Rudolf Hartmann | 2 |
| #6 | Wuettrich Hans | 1 |
| #7 | Zimmermann Horst Dipl-Ing | 1 |
| #8 | Hartmann Rudolph | 1 |
| #9 | Hans Hartmann Rudolf Wuethrich | 1 |
| #10 | Rudolf Cristian Vimorde Hartma | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102004025318A1 | Process and fermentation plant for the anaerobic fermentation of biogenic waste | |
| DE10142906A1 | Process for processing residual waste and residual waste treatment plant | |
| DE3902652A1 | Container for cooking food | |
| DE2624846A1 | Radial seal strip in rotary piston hydraulic pump housing - has side recesses ducted to housing chambers to balance all forces on strip |