| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | China | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Japan | 1 | |
| #9 | Republic of Korea | 1 | |
| #10 | Malaysia | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carrier Eric D | 16 |
| #2 | Carrier David O | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US2007169580A1 | Worm-gear assembly having a pin raceway |