| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Germany | 3 | |
| #3 | Austria | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Bakers' ovens | |
| #2 | Unspecified technologies | |
| #3 | Dough making machines | |
| #4 | Mixing | |
| #5 | Furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leeuwrik Frederik H | 2 |
| #2 | Leeuwrik Frederik Hendrik | 1 |
| #3 | Adolf Seeder Wilhelm | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1432931A1 | Heating device for tunnel ovens u. Like., In particular for baking food | |
| GB810248A | Improvements in or relating to bakers' ovens | |
| DE1178023B | Deck oven | |
| US2949869A | Tunnel baking oven | |
| DE1020283B | Continuous tunnel oven with radiant heating caused by longitudinal ducts through which heating gases flow | |
| GB833663A | Improvements in or relating to continuous bakers' ovens | |
| CA637574A | Method of baking and tunnel baking oven adapted to said method |