| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Belgium | 1 | |
| #3 | Switzerland | 1 | |
| #4 | Czechoslovakia | 1 | |
| #5 | France | 1 | |
| #6 | Hungary | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Poland | 1 | |
| #10 | Sweden | 1 | |
| #11 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Biotechnology | |
| #3 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Besler Hermann | 8 |
| #2 | Hermann Besler | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2914802A1 | GAER CONTAINERS WITH DEVICES FOR CONTINUOUS OR INTERMITTENT FILLING OF ORGANIC SUBSTANCES | |
| DE2821790A1 | Organic waste digestion - in heated fermenting tank with sludge circulation and gas extraction producing fertiliser | |
| DE2535756A1 | Anaerobic fermenter for animal and vegetable waste - producing methane gas and fertiliser acting fermented product |