| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Mechanical elements | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Earth drilling | |
| #3 | Belts or cables for driving | |
| #4 | Installation of electric cables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Crotto Frank E | 8 |
| #2 | Crotto Inez V | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1798311A | Auxiliary liner | |
| US1728173A | Wire-line clamp | |
| US1674952A | Wire-line clamp | |
| US1745742A | Supporting link for well-working tools | |
| US1649390A | Liner for cable-engaging tools | |
| US1579284A | Wire-line clamp | |
| US1531597A | Liner for cable-engaging tools | |
| US1482460A | Wire line clamp | |
| CA270022A | Gate and wire clamp |