Patents for William Sellers & Co. |
Patents 16 -
30
of 34
      |
Number | Date | Patentee | Title | Type |
127,929 | Jun. 11, 1872 | W. Sellers | Improvement in Turning Lathes | metal lathe accessories and attachments |
139,482 | Jun. 03, 1873 | W. Sellers | Improvement in wheel-quartering machines | horizontal boring mills |
195,220 | Sep. 18, 1877 | E. Knight | Improvement in devices for lifting work into and out of lathes | metal lathe accessories and attachments |
224,798 | Feb. 24, 1880 | J.S. Bancroft, W. Sellers | Injector for Feeding Boilers | water injectors |
243,634 | Jun. 28, 1881 | J.S. Bancroft, W. Sellers | Feed Gearing for Machine Tools | industrial machine gearing |
248,263 | Oct. 11, 1881 | J.S. Bancroft, W. Sellers | Turning Lathe | metalworking machine mechanisms |
331,178 | Nov. 24, 1885 | J.S. Bancroft | Injector | water injectors |
374,908 | Dec. 13, 1887 | J.S. Bancroft, W. Sellers | Planing Machine for Metals | metal planers |
376,315 | Jan. 10, 1888 | S.L. Kneass | Injector | water injectors |
417,659 | Dec. 17, 1889 | J.S. Bancroft | Means for Operating the Die Heads of Bolt Threading Machines | metal threading machines |
421,178 | Feb. 11, 1890 | W. Lewis | Machinery for Transmitting and Arresting Motion | clutches |
454,801 | Jun. 23, 1891 | W. Lewis | Boring and Turning Mills | vertical boring mills |
491,968 | Feb. 14, 1893 | W. Lewis | Bending-roll | metal bending machines |
500,286 | Jun. 27, 1893 | W. Lewis | Bending-roll | metal bending machines |
508,268 | Nov. 07, 1893 | J.S. Bancroft | Machine for Sharpening Drills | drill grinders |