| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | China | 7 | |
| #3 | Taiwan | 7 | |
| #4 | Japan | 5 | |
| #5 | EPO (European Patent Office) | 3 | |
| #6 | WIPO (World Intellectual Property Organization) | 3 | |
| #7 | Mexico | 2 | |
| #8 | Australia | 1 | |
| #9 | Canada | 1 | |
| #10 | India | 1 | |
| #11 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Materials and metallurgy | |
| #3 | Basic materials chemistry | |
| #4 | Environmental technology | |
| #5 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Edlund David J | 44 |
| #2 | Hoshi Koji | 8 |
| #3 | Schluter Robert | 7 |
| #4 | Studebaker Robert Todd | 6 |
| #5 | Studebaker Robert Jacob | 6 |
| #6 | David J Edlund | 4 |
| #7 | Steill Jason S | 2 |
| #8 | Studebaker Robert | 2 |
| #9 | Studebaker Robert J | 1 |
| #10 | Edlund David | 1 |
| Publication | Filing date | Title |
|---|---|---|
| TW201932403A | Hydrogen purification devices | |
| US2018126330A1 | Hydrogen purification devices | |
| US2016130516A1 | Refining assemblies and refining methods for rich natural gas | |
| US2016130515A1 | Refining assemblies and refining methods for rich natural gas | |
| US2016131424A1 | Refining assemblies and refining methods for rich natural gas | |
| CN107265403A | Device for producing hydrogen and hydrogen purifier apparatus | |
| US2014065021A1 | Hydrogen generation assemblies and hydrogen purification devices |