| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Civil engineering | |
| #4 | Macromolecular chemistry and polymers | |
| #5 | Packaging and shipping | |
| #6 | Textiles and paper | |
| #7 | Machines | |
| #8 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Metal tempering | |
| #2 | Organic fertilisers | |
| #3 | Phosphatic fertilisers | |
| #4 | Building materials | |
| #5 | Mining | |
| #6 | Mechanical treatment of natural fibrous | |
| #7 | Packaging | |
| #8 | Unspecified technologies | |
| #9 | Macromolecular compounds compositions | |
| #10 | Steam generation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schubert Richard | 2 |
| #2 | Richard Schubert | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1974877A | Method of preparing peat for fertilizing purposes | |
| GB382128A | Method of preparing fertilizers | |
| US1760214A | Process of producing waterproof concrete, specially for pavings | |
| GB277541A | Improved tunnel annealing furnace |