| All Patents in class 74/579R |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 183,061 | Oct. 10, 1876 | M.P. Locke | Adjustable Crank for Grindstones, &c. | human powered apparatus |
| 255,751 | Mar. 28, 1882 | G.W. Zeigler | Treadle | human powered apparatus |
| 334,418 | Jan. 19, 1886 | W.P. Drake | Pitman Eye and Connection | industrial machine mechanisms |
| 497,012 | May 09, 1893 | C.C. Bradley | Power-hammer | drop hammers |
| 549,700 | Nov. 12, 1895 | J.H. Millett, C.B. Bosworth | Steam-gage | steam pressure gauges |
| 680,218 | Aug. 13, 1901 | J.R. Blakeslee | Method of Making Jaw Rods | forging apparatus and accessories |
| 1,106,860 | Aug. 11, 1914 | A. Bayton | Method or process of forming headed rods | bench vises |
| 1,599,174 | Sep. 07, 1926 | R.T. Hazelton | Shaper | metal shapers |
| 1,648,888 | Nov. 15, 1927 | F.E. Aurand | Portable surface-cleaning tool | |
| 1,682,788 | Sep. 04, 1928 | J.T. Janette | Motor and pump for oil heating system | furnaces |
| 1,782,498 | Nov. 25, 1930 | G.A. Biggs | Link for Hydraulic Turbines | turbine water wheels |
| 2,217,742 | Oct. 15, 1940 | W.R. Gillette | Pitman | |
| 2,932,985 | Apr. 19, 1960 | W.G. Baldenhofer | Long Piston Rods and Motor Embodying the Same | hydraulic apparatus |
