| Patents for Frank Pearn |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 504,742 | Sep. 12, 1893 | F. Pearn, W.A. Pearn | Machine for Boring Cylinders and Turning the Flanges Thereof | horizontal boring mills |
| GB-189,322,207 | Oct. 20, 1894 | F. Pearn, S. Pearn, T. Addyman | Improvements in or applicable to steam or other pumps | steam pumping engines |
| GB-189,416,996 | Aug. 24, 1895 | A.E. Seaton, F. Pearn | Improvements in filters or strainers, more particularly applicable for filtering or straining boiler feed water and lubricants in use, and in arrangements connected therewith | stationary boilers |
| GB-189,625,037 | Oct. 16, 1897 | W.A. Pearn, F. Pearn, E.G. Wrigley | Improvements in tools or machines for facing, turning, boring and otherwise cutting flanges on castings and for operating upon other articles | horizontal boring mills |
| GB-190,511,870 | Mar. 01, 1906 | F. Pearn, W.A. Pearn | Improvements in connection with machine tools for milling, facing, and cutting metals | metal lathes |
| GB-190,511,871 | Mar. 29, 1906 | F. Pearn, S. Pearn | Improvements in connection with direct acting steam pumps | steam pumping engines |
| GB-190,714,922 | May 21, 1908 | W.A. Pearn, F. Pearn | Improvements in machines for milling, facing, and other metal cutting operations | metal lathes |
| 941,269 | Nov. 23, 1909 | W.A. Pearn, F. Pearn | Machine for milling, facing, and other metal-cutting operations | metal lathes |
| GB-191,219,159 | Apr. 17, 1913 | W.A. Pearn, F. Pearn | Improvements in boring, facing, and like machines | metal lathes |
