| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 | |
| #2 | France | 4 | |
| #3 | United Kingdom | 4 | |
| #4 | Belgium | 2 | |
| #5 | Denmark | 2 | |
| #6 | United States | 2 | |
| #7 | Austria | 1 | |
| #8 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Chemical engineering | |
| #3 | Machine tools | |
| #4 | Mechanical elements | |
| #5 | Machines | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Beer | |
| #2 | Separation | |
| #3 | Presses | |
| #4 | Pipes | |
| #5 | Punching metal | |
| #6 | Pistons and sealings | |
| #7 | Unspecified technologies | |
| #8 | Steam generation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spielvogel Walter | 8 |
| #2 | Walter Spielvogel | 3 |
| #3 | Heinzmann Josef | 2 |
| #4 | Grosshennig Guenther | 2 |
| #5 | Joerg Wille Dipl-Br-Ing | 1 |
| #6 | Alfred Heller | 1 |
| #7 | Helmuth Barts Dipl-Braumstr | 1 |
| #8 | Langer Wolfgang | 1 |
| #9 | Damsky Dipl-Ing Walter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1918735A1 | Beer wort or sugar solution from unmalted - grain | |
| GB1120928A | Improvements in straining tanks | |
| US3135610A | Process for extracting liquor from a fermented pulpy mass | |
| GB942623A | Method and apparatus for the continuous production of wort as hopped wort | |
| GB917777A | Improvements in and relating to spindle sieve presses | |
| GB939011A | Improvements in and relating to the brewing of beer | |
| US1874996A | Steam heated boiling vessel |