| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Australia | 1 | |
| #3 | Belgium | 1 | |
| #4 | Canada | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Climate change adaptation technologies | |
| #3 | Unspecified technologies | |
| #4 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fitzgerald Hugh J | 7 |
| #2 | Fitzgerald Hugh Joseph | 3 |
| #3 | Koepf Ernest H | 3 |
| #4 | Sorensen Robert M | 1 |
| #5 | Fitzgerald H J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3662892A | Immiscible liquid separating apparatus | |
| US3653510A | Oil skimming method and apparatus | |
| US3612280A | Oil-skimming apparatus | |
| US3557960A | Oil skimming apparatus | |
| US3590584A | Floating oil confining apparatus | |
| US3641770A | Floating oil confining apparatus | |
| US3523611A | Oil skimming apparatus |