| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 4 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Materials and metallurgy | |
| #6 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Cranes | |
| #2 | Electrically-conductive connections | |
| #3 | Pipes | |
| #4 | Metal tempering | |
| #5 | Unspecified technologies | |
| #6 | Winches | |
| #7 | Unspecified technologies | |
| #8 | Packaging | |
| #9 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Scharpenberg Ewald | 4 |
| #2 | Ewald Scharpenberg | 4 |
| #3 | Boennhoff Herbert | 3 |
| #4 | Herbert Bonnhoff | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2352017A | Grab for hoisting loads | |
| GB478114A | Tongs for carrying plates, wires and the like | |
| US2142214A | Arm and plate tongs | |
| GB323420A | Improvements in and relating to cable-eyes and sockets for electric cables | |
| GB320454A | Improvements in and relating to pipe-clips | |
| US1736630A | Pipe clip | |
| US1506671A | Electrical-cable socket or lug | |
| GB156581A | Improvements in electrical cable sockets or lugs |