| Patents for George Langen |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
| | 771,373 | Oct. 04, 1904 | G. Langen | Gearing |
 | 775,372 | Nov. 22, 1904 | G. Langen | Counter-shaft with changeable speed |
| | 937,707 | Oct. 19, 1909 | G. Langen, C. Meier | Side-Head Tool-Holder for Metal-Planers |
| | 973,801 | Oct. 25, 1910 | G. Langen, C. Meier | Belt-Gearing |
| | 1,029,875 | Jun. 18, 1912 | C. Meier, G. Langen | Metal-Working Planer |
 | 1,205,640 | Nov. 21, 1916 | C.G. Johannesmeyer, G. Langen | Metal-planer |
| | 1,282,088 | Oct. 22, 1918 | G. Langen | Gearing |
| | 1,707,476 | Apr. 02, 1929 | G. Langen, R. Hohnhorst | Click Box |
| | 1,718,726 | Jun. 25, 1929 | G. Langen, R. Gillham, T. Addison | Oiling System |
| | 1,760,639 | May 27, 1930 | G. Langen, F. Wetzel, T. Addison, R. Gillham | Control Mechanism for Metal Planers |
