| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Civil engineering | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Safes | |
| #5 | Swimming pools | |
| #6 | Lifting and pushing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kuhn Charles J | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US5184930A | Vehicle lifting system and method | |
| US4916793A | Straightening of unibody frames | |
| DE2946978A1 | Pulling equipment repairing vehicle collision damage - has pair of diverging supports of unequal length holding vertical members against operational forces | |
| CA1110083A | Anchor | |
| US4284014A | Floor safe | |
| US4175420A | Safety tie down for a pulling apparatus | |
| US4189934A | Pulling apparatus | |
| US4151974A | Anchor | |
| US4106325A | Chisel clamp for use in straightening automobile bodies | |
| US4107974A | Method for straightening automobile bodies | |
| CA882995A | Tie-down apparatus |