| Patents for William F. Zimmermann |
Patents 1 -
10
of 32
      |
| Picture | Number | Date | Patentee | Title |
 | 1,222,709 | Apr. 17, 1917 | W.F. Zimmermann | Gear-generating machine |
 | 1,267,158 | May 21, 1918 | W.F. Zimmermann | Shaping Machine |
| | 1,284,543 | Nov. 12, 1918 | W.F. Zimmermann | Gear Planer |
| | CA-209,318 | Mar. 08, 1921 | W.F. Zimmermann | Meule a vis Tangente |
 | 1,615,185 | Jan. 18, 1927 | W.F. Zimmermann | Manufacturing Quick Traverse Shaper |
| | 1,689,615 | Oct. 30, 1928 | W.F. Zimmermann | Shaper Feed Mechanism with Stationary Control |
| | 1,846,297 | Feb. 23, 1932 | W.F. Zimmermann | Power Transmission for Shaping Machines |
| | 2,073,917 | Mar. 16, 1937 | W.F. Zimmermann | Cutter Positioning Device for Hobbing Machines |
| | 2,077,730 | Apr. 20, 1937 | W.F. Zimmermann | Balanced Helicoidal Change Speed Drive for Shapers |
| | 2,090,506 | Aug. 17, 1937 | W.F. Zimmermann | Clap Arrester |
