| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering | |
| #3 | Environmental technology | |
| #4 | Engines, pumps and turbines | |
| #5 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Marine propulsion | |
| #3 | Dredging | |
| #4 | Reduction of greenhouse gas emissions | |
| #5 | Machines for liquids | |
| #6 | Military vessels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Baer Carl J | 16 |
| #2 | Jeffries Carl F | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2332549A | Submarine craft | |
| US2076535A | Floating unit and fleet | |
| US1797600A | Boat | |
| US1717541A | Boat | |
| US1578626A | Barge | |
| US1687923A | Current motor | |
| US1618401A | Cargo fleet for water navigation and method of operating said fleet | |
| US1503680A | Dredging system | |
| US1452059A | Boat-propelling means | |
| US1400787A | Boat | |
| US1403828A | Boat | |
| US1406602A | Boat | |
| US1399286A | Dredging system | |
| US1451563A | Boat-propelling means | |
| US1395889A | Boat | |
| US1445467A | Boat |