| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Austria | 1 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Springs | |
| #2 | Clutches and brakes | |
| #3 | Unspecified technologies | |
| #4 | Measuring mechanical vibrations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hauptmann Edward G | 7 |
| #2 | Hordyk Richard A | 4 |
| #3 | Spaetgens Theodore W | 2 |
| #4 | Hordyk Richard Andrew | 1 |
| #5 | Hauptmann Edward Gerald | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2020158563A1 | Torsional vibration amplitude sensor and monitor | |
| WO2018049530A1 | High energy dissipation torsional viscous damper | |
| WO2013127007A1 | Overtorque release drive | |
| GB2044881A | Torsional vibration dampers with series tuning | |
| CA1101695A | Torsional vibration damper |