| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Electrical machinery and energy | |
| #3 | Machine tools | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Dynamo-electric machines | |
| #3 | Generating mechanical vibrations | |
| #4 | Clutches and brakes | |
| #5 | Wood saws |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcdonald Leslie R | 6 |
| #2 | O'Leary William J | 4 |
| #3 | George Ramsey | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1514716A | Safety clutch for prime movers or the like | |
| US1489848A | Multiple-drive motor | |
| US1379212A | Vibration-motor | |
| US1327250A | Oscillating motor | |
| US1250914A | Power apparatus. | |
| US1396337A | Variable amplitude of vibration-motor and method | |
| US1396336A | Direct-current vibratory motor | |
| US1396335A | Constant-speed vibrating motor and method | |
| US1396334A | Electric motor | |
| CA210475A | Electric motor |