| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lyda Arthur W | 3 |
| #2 | Mckenzie Angus D | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE570915C | Boat launching device | |
| GB378179A | Improvement in boat-launching devices | |
| DE590272C | Gravity folding davit | |
| GB363857A | Improvements in and relating to davits for ships' boats | |
| US1827535A | Boat-launching device | |
| US1827534A | Load-carrying and launching device | |
| US1691245A | Davit for lifeboats | |
| US1582062A | Releasable hook for lifeboats | |
| US1549012A | Lifeboat and davit |