| All Patents in class 74/527 |
Patents 1 -
15
of 25
      |
| Number | Date | Patentee | Title | Type |
| 375,200 | Dec. 20, 1887 | W. Ross, G. Ross | Water-engine | |
| 624,017 | May 02, 1899 | F.G. Hampson | Change Driving Gear | metalworking speed changing mechanisms |
| 737,996 | Sep. 01, 1903 | D.B. Bullard | Lathe | engine lathes |
| 831,745 | Sep. 25, 1906 | L.E. Rice | Locking device | |
| 1,082,685 | Dec. 30, 1913 | S.H. Dyer | Drop Press | drop hammers |
| 1,214,754 | Feb. 06, 1917 | D.F. Carscadden | Counterboring Tool and Holder | drilling and boring tool holders |
| 1,228,332 | May 29, 1917 | C.W. Lynch | Attachment for sawmill-dogs | sawmill dogs |
| 1,401,585 | Dec. 27, 1921 | V.D. Collins, A.F. Collins | Spark Plug | spark plugs |
| 1,596,128 | Aug. 17, 1926 | P.R. Thompson | Control Lock | tractors |
| 1,622,159 | Mar. 22, 1927 | C.E. Linden | Safety Locking Device for the Shifting Mechanism of Metal Planers | metal planer accessories |
| 1,812,871 | Jul. 07, 1931 | B.P. Graves | Variable Speed Controller Mechanism | machine tool controls |
| 1,825,719 | Oct. 06, 1931 | S. Einstein | Control Mechanism | machine tool controls |
| 2,109,057 | Feb. 22, 1938 | J.B. Ball, F.W. Billker | Cutting machine | printer |
| 2,251,761 | Aug. 05, 1941 | L.L. Schauer | Spacing mechanism for machine tools | radial drill presses |
| 2,395,433 | Feb. 26, 1946 | V.v. Sundt | Apron Feed Change Mechanism | metalworking power transmission |
