| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | United States | 4 | |
| #4 | Australia | 2 | |
| #5 | Brazil | 2 | |
| #6 | Canada | 2 | |
| #7 | China | 2 | |
| #8 | Republic of Korea | 1 | |
| #9 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Making gears or toothed racks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Colbourne John R | 16 |
| #2 | Colbourne John Robert | 8 |
| #3 | Berlinger Bernard E Jr | 4 |
| #4 | Berlinger Bernard E | 2 |
| #5 | Berlinger Jr Bernard E | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO2013067039A1 | Gear tooth profile with transition zone blending relief | |
| BRPI0417745A | gear tooth refill curvature | |
| CN1646829A | Gear tooth profile | |
| US6101892A | Gear form constructions | |
| US6178840B1 | Gear form constructions |