| All Patents in class 29/33P |
Patents 1 -
15
of 25
      |
| Number | Date | Patentee | Title | Type |
| 1,617,606 | Feb. 15, 1927 | H.C. Pierle | Machine Tool | metalworking machines |
| 1,714,603 | May 28, 1929 | H.B. Kraut | Machine for Reclaiming Rails | rail cutting machines |
| 1,835,591 | Dec. 08, 1931 | E.P. Bullard | Automatic Work Feeding and Chucking Means for Multiple Spindle Lathes | |
| 1,999,657 | Apr. 30, 1935 | W.C. Heath | Conveyer for Production Lines | conveyors and hoppers |
| 2,033,449 | Mar. 10, 1936 | E.G. Roehm, M. Romaine | Machine Tool Mechanism | grinding machines |
| 2,063,955 | Dec. 15, 1936 | B.P. Schiltz | Apparatus for machining metal parts | metalworking machines |
| 2,088,119 | Jul. 27, 1937 | B.P. Schiltz | Method of machining metallic workpieces | metalworking machines |
| 2,202,878 | Jun. 04, 1940 | H.E. Tautz | Drill press guard | drill presses |
| 2,585,216 | Feb. 12, 1952 | S.A. Brandenburg, C.A. Bickel, T. Foster | Unitary Mechanism for Performing Multiple Simultaneous and Successive Operations | multiple spindle lathes |
| 2,728,268 | Dec. 27, 1955 | P.F. Ochotschinsky, M.V. Waters, R.N. Clifton | Concavity Generating Milling Machine | milling machines |
| 2,807,973 | Oct. 01, 1957 | H.J. Siekmann, W.H. Meyer, administrator, W.R. Meyer, deceased (estate of) | Apparatus for Manufacturing Crankshafts Automatically | crankshaft lathes |
| 2,808,746 | Oct. 08, 1957 | R.E. Blomquist | Work handling mechanism for machine tools | |
| 3,010,371 | Nov. 28, 1961 | J.A. Hansen, K.A. Riedel | Machine Tool Transfer Mechanism | milling machines |
| 3,118,332 | Jan. 21, 1964 | G.W. Ross, R.F. Fischer, A.H. Fotsch | Machine Tool | multiple station machines |
| 3,825,245 | Jul. 23, 1974 | J.J. Schachte, J.G. Osburn | Workpiece Changer Mechanism for a Machine Tool | tool changers and storage mechanisms |
