| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Dough making machines | |
| #2 | Details of furnaces | |
| #3 | Mixing | |
| #4 | Printing machines | |
| #5 | Bakers' ovens | |
| #6 | Unspecified technologies | |
| #7 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Petri Gunther H | 23 |
| Publication | Filing date | Title |
|---|---|---|
| US1845097A | Forming machine for plastic material | |
| US1817643A | Forming machine for plastic material | |
| US1575788A | Molding machine | |
| US1666752A | Forming machine | |
| US1592154A | Forming machine | |
| US1428704A | Mixing machine | |
| US1387941A | Apparatus for printing on waxed paper and the like | |
| US978482A | Dough-shaping implement. | |
| US957088A | Mixing machinery. | |
| US957247A | Forming-machine. | |
| US1087051A | Forming-machine. | |
| US1141884A | Forming-machine. | |
| US941338A | Forming-machine for dough. | |
| US936661A | Forming-machine for dough. | |
| US936660A | Forming-machine for dough. | |
| US854308A | Forming-machine. | |
| US831239A | Baker's oven. | |
| US830524A | Baking-oven. | |
| CA257760A | Plastic forming machine | |
| CA234280A | Forming machine |