| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | United States | 3 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | India | 2 | |
| #7 | Norway | 2 | |
| #8 | WIPO (World Intellectual Property Organization) | 2 | |
| #9 | Denmark | 1 | |
| #10 | Egypt | 1 | |
| #11 | Spain | 1 | |
| #12 | New Zealand | 1 | |
| #13 | African Intellectual Property Organization | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Key Joe W | 15 |
| #2 | Shumaker Fred E | 9 |
| #3 | Schumaker Fred E | 5 |
| #4 | Key Joe Wayne | 4 |
| #5 | Shumaker Fred Evans | 3 |
| #6 | Tharp Samuel P | 2 |
| #7 | Turner Edward H | 2 |
| #8 | Key Jon W | 1 |
| #9 | Tharp Samuel Pepper | 1 |
| #10 | Key J W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4781404A | Multi-path fluid swivel | |
| AU7307087A | Multi-path fluid swivel | |
| US4701143A | Vessel mooring system and method for its installation | |
| US4698038A | Vessel mooring system and method for its installation |