| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 8 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Foods and drinks | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Consumer goods | |
| #6 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Provost Peter | 24 |
| #2 | Sawyer Alvah Littlefield | 1 |
| #3 | Waite Byron Sylvester | 1 |
| #4 | Sawyer Ronsom Jonothon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1244542A | Grain cleaner and washer. | |
| US1269741A | Method of treating grain. | |
| US1251573A | Grain-drier. | |
| CA160292A | Grain drier | |
| CA137083A | Grain drier | |
| US1000120A | Grain drier and scourer. | |
| US971559A | Apparatus for drying and steaming grain. | |
| US940190A | Grain-drier. | |
| GB190603010A | Improvements in Grain Driers and Heaters. | |
| CA97074A | Grain heater and drier | |
| CA96580A | Grain steamer | |
| US804977A | Grain heater and drier. | |
| CA93443A | Grain heater | |
| GB190505342A | Improvements in Grain Heaters and Driers. | |
| CA90928A | Grain steaming apparatus | |
| US787396A | Grain-heater. | |
| US785119A | Grain-steamer. | |
| US831570A | Grain heater and drier. | |
| US768692A | Apparatus for steaming grain. | |
| CA85553A | Grain steaming apparatus |