| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Springs | |
| #3 | Unspecified technologies | |
| #4 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ruesenberg Carl A | 4 |
| #2 | Stickney Charles A | 2 |
| #3 | Hughes William F | 1 |
| #4 | Willene Martin E | 1 |
| #5 | Carl Ruesenberg | 1 |
| #6 | Goranson Albert E | 1 |
| #7 | Goranson Albert Emanuel | 1 |
| #8 | Willene Martin Emanuel | 1 |
| #9 | Willene Martin | 1 |
| #10 | Morris James J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1936884A | Freewheeling unit | |
| US1952462A | Clutch | |
| US1713278A | Friction clutch | |
| US1709439A | Spindle-drive transmission mechanism | |
| US1598795A | Clutch plate | |
| US1642902A | Shock absorber | |
| US1645780A | Friction clutch | |
| US1603295A | Friction clutch | |
| CA274060A | Clutch plate | |
| CA301419A | Friction clutch | |
| CA338888A | Clutch | |
| CA271003A | Friction clutch |