| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 4 | |
| #3 | Denmark | 1 | |
| #4 | Spain | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Clutches and brakes | |
| #3 | Protective garments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Davis Robert William | 11 |
| Publication | Filing date | Title |
|---|---|---|
| GB131789A | Improvements in Universal Joints. | |
| CA191059A | Ship propulsion | |
| CA190911A | Universal joint | |
| CA184809A | Swimming appliance | |
| US1270603A | Propulsion of vessels. | |
| US1270602A | Universal joint. | |
| US1239088A | Swimming appliance. | |
| CA169348A | Garment | |
| US1125667A | Garment. | |
| CA211758A | Aeronautical propeller |