| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machine tools | |
| #3 | Environmental technology | |
| #4 | Textiles and paper | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Building materials | |
| #2 | Treating wood | |
| #3 | Nails | |
| #4 | Paper goods | |
| #5 | Climate change mitigation in wastewater treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ploennis R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE386948C | Paints | |
| DE348166C | Process for the production of a binder for colored carbolineum paints | |
| DE366009C | Paint for raw wood | |
| DE347707C | Waterproof paints | |
| DE336425C | Impregnation process for wood u. like | |
| DE354069C | Process of manufacturing unfired building materials | |
| DE328759C | Process for the production of fireproof and insulating cardboard by treating the same with caustic alkalis and water glass | |
| DE337189C | Waterproof paints | |
| DE336826C | Waterproof paints | |
| DE441895C | Screw locking device for door locks |