| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Germany | 5 | |
| #3 | Canada | 4 | |
| #4 | United Kingdom | 4 | |
| #5 | France | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Servomotors | |
| #3 | Presses | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoffman Bernard L | 11 |
| #2 | Hoffman B | 1 |
| #3 | Reed Lincoln C | 1 |
| #4 | L Hoffman Bernard | 1 |
| #5 | Leroy Hoffman Bernard | 1 |
| #6 | Hoffman Bernard Leroy | 1 |
| #7 | L Hoffmann Bernard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA938196A | Hydraulic system | |
| US3685338A | Hem formation | |
| US3608478A | High-speed press | |
| US3426571A | Controlled embossing | |
| US3493006A | Pressure control unit | |
| US3420088A | Manufacturing of containers by deep drawing | |
| US3405546A | Method and apparatus for producing bulged shapes | |
| US3292415A | Pressurized fluid supply system | |
| CA870364A | Deep drawing | |
| CA827955A | Pressure valving unit | |
| CA779078A | Pressurized fluid supply system |