| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | France | 3 | |
| #4 | Ireland | 3 | |
| #5 | United Kingdom | 2 | |
| #6 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Dry-docking of vessels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ball Kenneth | 7 |
| #2 | Ball K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1050288A | Sealing arrangements for use under water | |
| US4090366A | Transit capsules | |
| IE39746L | A method of working under water and apparatus therefor | |
| GB1461253A | Selaing arrangements for use under water | |
| IE39747L | Improvements in sub-sey well heads | |
| GB1461251A | Method of working under water and apparatus therefor |