| Patents for William F. Zimmermann |
Patents 1 -
15
of 32
      |
| Number | Date | Patentee | Title | Type |
| 1,222,709 | Apr. 17, 1917 | W.F. Zimmermann | Gear-generating machine | gear making machines |
| 1,267,158 | May 21, 1918 | W.F. Zimmermann | Shaping Machine | metal shapers |
| 1,284,543 | Nov. 12, 1918 | W.F. Zimmermann | Gear Planer | metal shaper accessories |
| CA-209,318 | Mar. 08, 1921 | W.F. Zimmermann | Meule a vis Tangente | gear grinding machines |
| 1,615,185 | Jan. 18, 1927 | W.F. Zimmermann | Manufacturing Quick Traverse Shaper | metal shapers |
| 1,689,615 | Oct. 30, 1928 | W.F. Zimmermann | Shaper Feed Mechanism with Stationary Control | metal shapers |
| 1,846,297 | Feb. 23, 1932 | W.F. Zimmermann | Power Transmission for Shaping Machines | metal shapers |
| 2,073,917 | Mar. 16, 1937 | W.F. Zimmermann | Cutter Positioning Device for Hobbing Machines | gear hobbing machines |
| 2,077,730 | Apr. 20, 1937 | W.F. Zimmermann | Balanced Helicoidal Change Speed Drive for Shapers | metal shapers |
| 2,090,506 | Aug. 17, 1937 | W.F. Zimmermann | Clap Arrester | metal shapers |
| 2,090,507 | Aug. 17, 1937 | W.F. Zimmermann | Shaper Tool Lifter | metal shapers |
| 2,090,508 | Aug. 17, 1937 | G. Davenport, W.F. Zimmermann | Electric Tool Lifter for Shapers | metal shapers |
| 2,113,124 | Apr. 05, 1938 | W.F. Zimmermann | Deflection Compensator | |
| 2,117,930 | May 17, 1938 | W.F. Zimmermann | Outboard Swivel Support | gear hobbing machines |
| 2,161,268 | Jun. 06, 1939 | W.F. Zimmermann | Conoidal Bit Cutting Machine | gear hobbing machines |
