| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Chemical engineering | |
| #5 | Engines, pumps and turbines | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | Cranes | |
| #3 | Generating mechanical vibrations | |
| #4 | Preparing clay | |
| #5 | Mixing | |
| #6 | Foundations and excavations | |
| #7 | Unspecified technologies | |
| #8 | Servomotors | |
| #9 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kerridge Norman Edward | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE940567C | Weighing device for concrete raw materials |