| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | United Kingdom | 4 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Packaging and shipping | |
| #3 | Environmental technology | |
| #4 | Transport | |
| #5 | Machines | |
| #6 | Civil engineering |
| Publication | Filing date | Title |
|---|---|---|
| GB342454A | An improved method of conveying materials of all kinds | |
| GB254728A | Method of and device for conveying building materials | |
| DE392949C | Process for the production of artificial and work stones from molten slag | |
| GB187066A | Process for utilising town refuse or similar waste material from domestic and industrial sources | |
| GB187362A | Process for the manufacture of material for making mortar from town refuse |