| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Spain | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Denmark | 2 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Foods and drinks | |
| #3 | Biotechnology | |
| #4 | Environmental technology | |
| #5 | Measurement | |
| #6 | Medical technology | |
| #7 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Vinegar | |
| #2 | Microbiology | |
| #3 | Mixing | |
| #4 | Venting or aerating devices | |
| #5 | Analysing materials | |
| #6 | Climate change mitigation in wastewater treatment | |
| #7 | Object sterilising | |
| #8 | Chemical or physical processes | |
| #9 | Separation | |
| #10 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frings Heinrich | 7 |
| #2 | Pedersen Carsten | 2 |
| #3 | Enenkel Anton Dr | 1 |
| #4 | Ebner Heinrich Dipl-Ing Dr Tec | 1 |
| #5 | Ebner Heinrich | 1 |
| #6 | Heinrich Frings | 1 |
| #7 | Enenkel Anton | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES161519A1 | A valve for the retention and derivation of liquids and gases. | |
| ES140424A1 | Device for the production of vinegar. | |
| GB190613178A | A Process and Apparatus for Manufacturing Fermentation Vinegar, employing Stationary Coatings of Pure Vinegar-generating Bacteria. | |
| GB190504171A | Improvements in Machines for Moulding Peppermint and other Sweetmeats. | |
| CA377076A | Vinegar producing apparatus | |
| CA334818A | Vinegar manufacture |