| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Machine tools | |
| #5 | Machines | |
| #6 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Middleton Jr Robert Leroy | 6 |
| #2 | Middleton Justin Tyler | 6 |
| #3 | Middleton Robert L | 3 |
| #4 | Middleton Sr Robert Leroy | 3 |
| #5 | Middleton Justin T | 3 |
| #6 | Walworth Bradley Blair | 2 |
| #7 | Geer Larry Joseph | 2 |
| #8 | Thomas Stephen M | 2 |
| #9 | Peters Iii Erwin Albert | 1 |
| #10 | Middleton Robert Leroy Jr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2019262883A1 | Stamping and welding method and apparatus for forming a hollow or tubular member with high tolerances | |
| WO2017122063A1 | Passive exhaust valve assembly with overlapping slip joint and method of forming and installation | |
| US2017016373A1 | Mixer assembly for exhaust systems and method of forming the same | |
| US9605581B1 | Passive exhaust valve with floating spring stop | |
| WO2016126906A1 | Passive exhaust valve assembly and forming method |