| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 1 | |
| #2 | Denmark | 1 | |
| #3 | Spain | 1 | |
| #4 | Finland | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Israel | 1 | |
| #7 | India | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Malta | 1 | |
| #10 | Malaysia | 1 | |
| #11 | Netherlands | 1 | |
| #12 | Norway | 1 | |
| #13 | Portugal | 1 | |
| #14 | Sweden | 1 | |
| #15 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Metal-working | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Shafts | |
| #4 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Healey Donald Kenneth | 9 |
| #2 | Kenneth Healey Donald | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR800000766B1 | Mehtod of restoring worn or damaged marine propellor shaft | |
| DK54876A | PROCEDURE FOR REPAIRING OR RENOVATING Worn OR Damaged Drive Shafts, SPECIAL PROPELLER SHAVES | |
| GB932071A | Improvements in or relating to multi-purpose floats |