| All Patents in class 474/135 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 888,765 | May 26, 1908 | B.D. Stevens | Driving mechanism for planers | wood planers |
| 960,347 | Jun. 07, 1910 | A.F. Kwis | Belt-tightener | industrial machine pulleys and belt drive mechanisms |
| 1,261,156 | Apr. 02, 1918 | C.H. Norton | Belt Drive for Grinding Machines | |
| 1,292,995 | Feb. 04, 1919 | C.H. Beach | Means for mounting sewing-machine motors | sewing machines |
| 1,374,109 | Apr. 05, 1921 | H.C. Pierle | Change-of-speed mechanism | drill presses |
| 1,879,145 | Sep. 27, 1932 | B. Erickson | Three-wheel bandsaw | bandsaws |
| 2,191,155 | Feb. 20, 1940 | C.L. Mattison | Pulley supporting device | |
| 2,368,848 | Feb. 06, 1945 | E.C. Krueger | Belt Tightener | belt sanders |
| 2,547,695 | Apr. 03, 1951 | R.D. Eaglesfield, A.E. Curtis, C.W. Meggenhefen | Power steering control for garden tractors or the like | |
| 2,678,667 | May 18, 1954 | A.W. Mall, N. Sherwood, A. Hesse | Portable bow saw | handheld power tools |
| 2,747,421 | May 29, 1956 | O. Thiel | Belt arm attachment | belt sanders |
| 3,757,683 | Sep. 11, 1973 | E.O. Engerbretsen, E. Grunewald | Compactor drive chain tensioning apparatus | |
