| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | African Regional Industrial Property Organization | 2 | |
| #5 | China | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | Mexico | 2 | |
| #8 | New Zealand | 2 | |
| #9 | South Africa | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Packaging and shipping | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Ships | |
| #3 | Cranes | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yemington Charles R | 26 |
| Publication | Filing date | Title |
|---|---|---|
| US6978837B2 | Production of natural gas from hydrates |