| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Peru | 2 | |
| #4 | Singapore | 2 | |
| #5 | African Regional Industrial Property Organization | 1 | |
| #6 | Australia | 1 | |
| #7 | Brazil | 1 | |
| #8 | Chile | 1 | |
| #9 | China | 1 | |
| #10 | Costa Rica | 1 | |
| #11 | Cuba | 1 | |
| #12 | Dominican Republic | 1 | |
| #13 | Hong Kong | 1 | |
| #14 | India | 1 | |
| #15 | Republic of Korea | 1 | |
| #16 | Mexico | 1 | |
| #17 | Philippines | 1 | |
| #18 | Tunisia | 1 | |
| #19 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Magnets and transformers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Holcomb Robert Ray | 20 |
| #2 | Ray Holcomb Robert | 2 |
| #3 | Holcomb Robert Ray Rr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2873973A1 | High efficiency ac dc electric motor, electric power generating system with variable speed, variable power, geometric isolation and high efficiency conducting elements | |
| EP2386109A1 | Solid state rotary field electric power cogeneration unit |