| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | China | 4 | |
| #3 | Brazil | 3 | |
| #4 | Republic of Korea | 3 | |
| #5 | Taiwan | 3 | |
| #6 | WIPO (World Intellectual Property Organization) | 3 | |
| #7 | Canada | 2 | |
| #8 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Herbruck Steven Lee | 19 |
| #2 | Farrenkopf Bradley Scott | 18 |
| #3 | Steven Lee Herbruck | 4 |
| #4 | Bradley Scott Farrenkopf | 4 |
| #5 | Herbruck Steve | 2 |
| #6 | Farrenkopf Brad Scott | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2016061038A1 | Rotary device including a counterbalanced seal assembly | |
| US2016061039A1 | Rotary device including a counterbalanced seal assembly | |
| US2014261324A1 | Systems and methods for controlling compression in an engine, compressor, or pump | |
| US2014261290A1 | Rotary internal combustion engine, gas compressor, and liquid pump | |
| US2013228150A1 | Rotary, Internal Combustion Engine | |
| TW201144578A | Rotary, internal combustion engine |