| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 116 | |
| #2 | Canada | 25 | |
| #3 | United Kingdom | 15 | |
| #4 | France | 7 | |
| #5 | Germany | 5 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Textiles and paper | |
| #5 | Machine tools | |
| #6 | Civil engineering | |
| #7 | Packaging and shipping | |
| #8 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Machines | |
| #4 | Servomotors | |
| #5 | Unspecified technologies | |
| #6 | Paper-making machines | |
| #7 | Accessories for machine tools | |
| #8 | Earth drilling | |
| #9 | Marine propulsion | |
| #10 | Winches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rose Edwin L | 25 |
| #2 | Ellis Arthur L | 16 |
| #3 | Francis Daniel R | 15 |
| #4 | Williams Harvey D | 14 |
| #5 | Janney Reynold | 13 |
| #6 | Tweedale Ralph L | 11 |
| #7 | Francis Daniel Robert | 10 |
| #8 | Doe Thomas B | 10 |
| #9 | Crain John J | 8 |
| #10 | William Thomas | 7 |
| Publication | Filing date | Title |
|---|---|---|
| US2265314A | Power transmission | |
| US2268227A | Relief valve | |
| US2300009A | Power transmission | |
| US2402789A | Power transmission | |
| US2263315A | Power transmission | |
| US2241701A | Power transmission | |
| US2221412A | Power transmission | |
| US2254274A | Metering device | |
| US2206305A | Pump or motor | |
| US2148262A | Power transmission | |
| US2283321A | Power transmission | |
| US2210130A | Power transmission | |
| US2168656A | Power transmission | |
| US2237018A | Power transmission | |
| US2210121A | Power transmission | |
| US2157852A | Power transmission | |
| US2168658A | Power transmission pump or motor | |
| US2223838A | Power transmission | |
| US2210129A | Power transmission | |
| US2164669A | Relief valve for power transmission systems |