| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | United States | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Australia | 1 | |
| #6 | Canada | 1 | |
| #7 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Civil engineering | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Horticulture | |
| #2 | Milling | |
| #3 | Dredging | |
| #4 | Gearing | |
| #5 | Wood saws |
| # | Name | Total Patents |
|---|---|---|
| #1 | Watts Patrick | 11 |
| #2 | Patrick Watts | 4 |
| #3 | Watts Patrick A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB202020690D0 | Tree Stump grinder | |
| WO2018134588A1 | Tree stump grinder | |
| GB201906856D0 | Drive mechanism for use with an implement | |
| GB201622477D0 | Hand-operated implement | |
| GB201619723D0 | Tree stump grinder | |
| US2009159155A1 | Tree Stump Grinding Machine | |
| EP1566096A1 | Tree stump grinder |