| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Packaging and shipping | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Nails | |
| #3 | Load transportation vehicles | |
| #4 | Containers for goods storage | |
| #5 | Tools for connecting or disengaging | |
| #6 | Railway bodies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Imparato Jack G | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US2997762A | Clamp units | |
| US2999291A | Clamp with relatively adjustable article engaging members | |
| US3050802A | Multiple product coupling clamp | |
| US2895202A | Yoke-type clamps | |
| US3018537A | Rod adjustment clamps | |
| US2895203A | Yoke-type clamps | |
| US2932868A | Clamp unit with housed actuating cam | |
| US2930091A | Clamp units | |
| US2994932A | Clamping units | |
| US2615220A | Drum clamp device | |
| US2615219A | Drum ring clamp | |
| US2629910A | Drum ring clamp | |
| CA592556A | Adaptor coupling rings for drums | |
| CA555835A | Drum clamps | |
| CA504391A | Drum ring clamps |