| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Germany | 3 | |
| #3 | United States | 3 | |
| #4 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Engines, pumps and turbines | |
| #3 | Agriculture | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Bakery products | |
| #2 | Dough making machines | |
| #3 | Preparing grain for milling | |
| #4 | Milling | |
| #5 | Steam turbines | |
| #6 | Siphons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Luigi Negro | 3 |
| #2 | Negro Luigi | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB306090A | Improvements in or relating to nozzles | |
| GB273652A | Improvements in the husking of grain | |
| US1699441A | Apparatus for the treatment of wheat | |
| US1463720A | Universal cutting and kneading machine | |
| GB175882A | An improved cutting and kneading machine | |
| US1482245A | Method of panification | |
| GB175695A | Improvements in and relating to the treatment of wheat for the manufacture of bread |