| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | France | 2 | |
| #4 | United States | 2 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Springs | |
| #2 | Unspecified technologies | |
| #3 | Gearing | |
| #4 | Measuring length, angles and areas | |
| #5 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arnt Herald P Jr | 3 |
| #2 | Arnt Jr Herald P | 2 |
| #3 | May Hugh B | 1 |
| #4 | May Hugh Benjamin | 1 |
| #5 | Jun Herald Paul Arnt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1175245A | Tool Wear-Broken Tool Indicator. | |
| US3280654A | Vibration damper | |
| GB970076A | Vibration damper | |
| US3088332A | Vibration damper | |
| CA716307A | Vibration damper | |
| CA688007A | Vibration damper and method for making the same | |
| CA739655A | Method of assembly of vibration damper | |
| CA858777A | Tool wear-broken tool indicator |