| Patents for Diamond Iron Works |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 482,326 | Sep. 06, 1892 | W.A. Wilkinson | Friction-clutch | metalworking power transmission |
| 639,538 | Dec. 19, 1899 | H.G. Dittbenner | Power-hammer | drop hammers |
| 717,738 | Jan. 06, 1903 | H.G. Dittbenner | Double-cutting band-saw mill | band sawmills |
| 777,779 | Dec. 20, 1904 | H.G. Dittbenner | Sawmill-hog | wood grinding machines |
| 799,546 | Sep. 12, 1905 | H.G. Dittbenner | Feed device for horizontal band-resaws | band resaws |
| 799,592 | Sep. 12, 1905 | H.G. Dittbenner | Horizontal band-resaw | band resaws |
| 799,836 | Sep. 19, 1905 | H.G. Dittbenner | Twin-circular-saw mill | circular sawmills |
| 808,975 | Jan. 02, 1906 | H.G. Dittbenner | Friction-clutch | metalworking power transmission |
| 920,035 | Apr. 27, 1909 | H.G. Dittbenner | Band-saw-tension device | bandsaws |
| 936,314 | Oct. 12, 1909 | H.G. Dittbenner | Band-saw mill | band sawmills |
| 1,207,103 | Dec. 05, 1916 | F.L. Walker, H.G. Dittbenner | Band-saw mill | band sawmills |
| 1,259,569 | Mar. 19, 1918 | H.G. Dittbenner, F.L. Walker | Band-saw mill | band sawmills |
| 1,260,837 | Mar. 26, 1918 | H.G. Dittbenner, F.L. Walker | Upper saw-guide | bandsaws |
| 1,344,096 | Jun. 22, 1920 | C.B. Sprague | Resawing-machine | band resaws |
| 1,436,208 | Nov. 21, 1922 | C.B. Sprague | Sawmill hog | wood grinding machines |
