| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 8 | |
| #2 | United States | 7 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Transport | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Making metal chains | |
| #2 | Vehicle tyre repairing | |
| #3 | Belts or cables for driving | |
| #4 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | John Senft | 4 |
| #2 | Rehfuss Martin O | 3 |
| #3 | Mcgowen William Robert | 2 |
| #4 | Thomas Albin Arno | 2 |
| #5 | Mcgowen William Rober | 1 |
| #6 | Bremer Frederick Godfrey | 1 |
| #7 | Senft John | 1 |
| #8 | Lewis Fred Harold | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1688883A | Electric chain welder | |
| US1683486A | Chain | |
| US1586387A | Revolving-link cross chain | |
| US1550578A | Reenforced cross chain | |
| US1502526A | Chain link | |
| GB166064A | Improvements in machines for making chain-links | |
| GB167391A | Improvements in electric welding machines | |
| US1432573A | Link-forming machine | |
| US1458851A | Chain-making machine | |
| CA262245A | Bumper | |
| CA322704A | Chain fastener | |
| CA308189A | Chain fastener | |
| CA271425A | Vehicle bumper | |
| CA280221A | Shock absorber | |
| CA280222A | Automobile bumper | |
| CA322703A | Anti-skid chain | |
| CA322702A | Chain fastener |