| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Unspecified technologies | |
| #3 | Perforating | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Machines for artistic work | |
| #6 | Cleaning | |
| #7 | Safety devices | |
| #8 | Presses |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chun Victor L | 10 |
| #2 | Jaworski George | 6 |
| #3 | Hunter James R | 6 |
| #4 | Schorn Gerard J | 2 |
| #5 | Jaworski George M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5097734A | Open frame punch press with punching reaction force neutralizing system | |
| US5053600A | Slag chute system | |
| US4998958A | Multitool punch holder | |
| US5048816A | Workpiece registration system and method for determining the position of a sheet | |
| US5034592A | Process and apparatus for reducing slag build-up on chute surfaces | |
| CA2016726A1 | Marking tool holder for a punch press | |
| CA2016724A1 | Multitool punch holder | |
| US5047752A | Safety system for a machine tool | |
| US4929276A | Multitool punch holder | |
| US4993294A | Punch holder with a stripper arrangement |