| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Japan | 3 | |
| #3 | Canada | 2 | |
| #4 | Sweden | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Servomotors | |
| #3 | Cylinders for combustion engines | |
| #4 | Unspecified technologies | |
| #5 | Special machines | |
| #6 | Internal-combustion piston engines | |
| #7 | Unspecified technologies | |
| #8 | Casting metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lohse Lawrence L | 3 |
| #2 | Roorensu Eru Roozu | 3 |
| #3 | Lohse L L | 2 |
| #4 | Hackbarth W E | 1 |
| #5 | Kiekhaefer Elmer Carl | 1 |
| #6 | Sarra S | 1 |
| #7 | Kiekhaefer E | 1 |
| #8 | Hackbarth William E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1031658A | Hydraulic steering mechanism for marine drive | |
| US3888203A | Stern drive for boats | |
| US3943876A | Water jet boat drive | |
| US3851631A | Die cast v-type two-cycle engine | |
| US3772946A | Flash removal |