| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 27 | |
| #2 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machine tools | |
| #4 | Foods and drinks | |
| #5 | Machines | |
| #6 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Gas-turbine plants | |
| #2 | Steam turbines | |
| #3 | Cyclically operating valves | |
| #4 | Climate change mitigation in transportation | |
| #5 | Special non-positive-displacement engines | |
| #6 | Cutting | |
| #7 | Cyclones | |
| #8 | Cocoa and sweets | |
| #9 | Vehicle suspension arrangements | |
| #10 | Turning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schmidt Wilhelm | 4 |
| #2 | Schaper Georg | 3 |
| #3 | Sedlmeir Dipl-Ing Michael | 3 |
| #4 | Happel Robert | 1 |
| #5 | Gasturbinen G M B H Holzwarth | 1 |
| #6 | Sedlmeir Michael Dipl-Ing | 1 |
| #7 | Meininghaus Dr-Ing Dr Ulrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE719917C | Method and device for cooling internal combustion engine valves, in particular the spindles of the operating fluid inlet valves of deflagration internal combustion turbines | |
| DE700576C | Control of valves to be operated rhythmically, insn, preferably of internal combustion turbines | |
| DE709612C | Method and arrangement for cooling deflagration internal combustion engines |