| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Materials and metallurgy | |
| #4 | Packaging and shipping | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Cutting | |
| #3 | Wood saws | |
| #4 | Milling | |
| #5 | Clutches and brakes | |
| #6 | Working stone | |
| #7 | Transport or storage devices | |
| #8 | Sawing | |
| #9 | Veneer production | |
| #10 | Metal tempering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dittbenner Hermann G | 5 |
| #2 | Sprague Charles B | 3 |
| #3 | Johnson Clarence T | 1 |
| #4 | Corser John | 1 |
| #5 | Rudolph Charles W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2311131A | Means for controlling movement of trucks into and from heated chambers of furnaces | |
| US1794177A | Apparatus for unloading cars | |
| US1436208A | Sawmill hog | |
| US1344096A | Resawing-machine | |
| US799546A | Feed device for horizontal band-resaws. | |
| US808975A | Friction-clutch. | |
| US799592A | Horizontal band-resaw. | |
| US799836A | Twin-circular-saw mill. | |
| US777779A | Sawmill-hog. | |
| CA394966A | Rock crusher | |
| CA235292A | Saw mill hog |