| All Patents in class 29/27R |
Patents 31 -
45
of 82
      |
| Number | Date | Patentee | Title | Type |
| 593,491 | Nov. 09, 1897 | W.B. Pearson | Horizontal drilling and boring machine | horizontal drilling machines |
| 659,059 | Oct. 02, 1900 | F.C. Engelhardt | Combination Tool | pipe and chain vises |
| 908,664 | Jan. 05, 1909 | F. Hardinge | Lathe structure | |
| 913,312 | Feb. 23, 1909 | E.B. Sellew | Boring, Turning, and Facing Machine | drilling and boring |
| 941,269 | Nov. 23, 1909 | W.A. Pearn, F. Pearn | Machine for milling, facing, and other metal-cutting operations | metal lathes |
| 1,000,442 | Aug. 15, 1911 | W.L. Schellenbach | Lathe | lathe tool holders and tool posts |
| 1,130,276 | Mar. 02, 1915 | J. Hartness | Automatic chucking-lathe | metal lathes |
| 1,130,277 | Mar. 02, 1915 | J. Hartness | Multispindle lathe | multiple spindle lathes |
| 1,144,744 | Jun. 29, 1915 | L.R. Wheeler | Machine Tool | milling machines |
| 1,194,864 | Aug. 15, 1916 | F. Müller | Machine for making twist drills | metal lathes |
| 1,198,632 | Sep. 19, 1916 | J. Hartness | Metal Working Machine | automatic lathes |
| 1,219,813 | Mar. 20, 1917 | R.E. Flanders | Metal-working machine | metal lathes |
| 1,242,583 | Oct. 09, 1917 | F.K. Hendrickson, A.E. Newton | Lathe | metal lathes |
| 1,248,317 | Nov. 27, 1917 | W.F. Groene, H.C. Pierle | Machine-tool | metalworking machines |
| 1,272,549 | Jul. 16, 1918 | C.H. Smith | Lathe Attachment | lathe tools |
