| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 6 | |
| #2 | United States | 4 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Canada | 2 | |
| #5 | Finland | 2 | |
| #6 | Australia | 1 | |
| #7 | Germany | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Handling thin material | |
| #2 | Unspecified technologies | |
| #3 | Transport or storage devices | |
| #4 | Shafts | |
| #5 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gattrugeri Giovanni | 18 |
| Publication | Filing date | Title |
|---|---|---|
| US5297875A | Head structure for rotatably supporting shafts | |
| US4467977A | Expanding headpiece for reels in general | |
| US4771963A | Expansible mandrel with a plurality of expansion devices | |
| CA974502A | Expansible mandrel | |
| GB1166212A | Improvements in and relating to Mechanical Clamping Arrangements for Tubular Bodies |