Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789477 | Arrangement for charging granular or pulp-like material to a container in which the material is processed | — | 1988-12-06 |
| 4710032 | Arrangement for preparing a charge of compositible material for a composting plant | — | 1987-12-01 |
| 4659472 | Method for producing a compostable mixture of sludge from sewage purification plants | Lars E. Ljungkvist | 1987-04-21 |
| 4384878 | Method and apparatus for composting compostable organic materials such as organic wastes and strongly aqueous fossile materials | Lars E. Ljungkvist | 1983-05-24 |
| 4236910 | Method of biologically decomposing organic material, and apparatus for carrying out the method | Ake Norin | 1980-12-02 |