| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | Switzerland | 3 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Belts or cables for driving | |
| #4 | Teaching materials | |
| #5 | Nails | |
| #6 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Winfred Mullard Berg | 3 |
| #2 | Berg Winfred M | 3 |
| #3 | Wesker L | 1 |
| #4 | Wertman L | 1 |
| #5 | Clark Thomas W | 1 |
| #6 | Wertman Louis | 1 |
| #7 | Berg Winfred Mullard | 1 |
| #8 | Wesker Lew | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3679809A | Pivot linkage assembly kit | |
| US3645161A | Solder tip setscrew | |
| US3522743A | Link sprocket chain | |
| FR1523780A | Manufacturing process of toothed pulleys | |
| GB1142414A | Method of making geared pulleys | |
| FR1294043A | Drive belt and gear for use with this belt | |
| US3026737A | Belt transmission system | |
| CA680944A | Belt transmission system | |
| CA859378A | Geared pulley and method of making same |