| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Agriculture | |
| #4 | Environmental technology | |
| #5 | Mechanical elements | |
| #6 | Furniture and games | |
| #7 | Consumer goods | |
| #8 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knox Luther L | 12 |
| #2 | Lewis William H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1584035A | Lunch-counter structure | |
| US1640126A | Portioning machine | |
| US1407759A | Portioning mechanism | |
| US1397380A | Valve mechanism for reversing regenerative furnaces | |
| US1223800A | Water-cooled floor. | |
| US1229758A | Rendering-kettle. | |
| US910926A | Guard or fender for furnace-door frames. | |
| US910925A | Furnace-door frame. | |
| US910924A | Furnace-door frame. | |
| US708719A | Furnace-door. | |
| US708718A | Water-cooled reversing-valve. | |
| US644327A | Scaffolding. |