| All Patents in class 74/410 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 113,750 | Apr. 18, 1871 | W.W. Dingee | Horse Power | animal powered apparatus |
| 200,439 | Feb. 19, 1878 | W.W. Dingee | Horse-Power | animal powered apparatus |
| 294,221 | Feb. 26, 1884 | J.R. Gorrell, J. Miller | Circular saw mill | circular sawmills |
| 550,390 | Nov. 26, 1895 | F. Hart | Driving Gear | metalworking power transmission |
| 800,571 | Sep. 26, 1905 | J. Hartness | Balanced Drive for Lathes | metalworking power transmission |
| 809,394 | Jan. 09, 1906 | A. Pedersen | Electrically-operated portable drill | handheld power tools |
| 905,260 | Dec. 01, 1908 | C.J. Widmer | Combined friction and jaw clutch | industrial machine clutches |
| 1,415,556 | May 09, 1922 | C.L. Heisler | Gearing | industrial machine gearing |
| 1,453,709 | May 01, 1923 | C.L. Heisler | Gearing | industrial machine gearing |
| 1,810,747 | Jun. 16, 1931 | G.H. Benzon, Jr. | Differential Gear | metalworking power transmission |
| 2,077,730 | Apr. 20, 1937 | W.F. Zimmermann | Balanced Helicoidal Change Speed Drive for Shapers | metal shapers |
| 2,215,140 | Sep. 17, 1940 | J.M. Walter | Planetary tool feed | milling machines |
| 2,335,797 | Nov. 30, 1943 | J.H. Schreiber, F.H. Dean | Gear shift locking device | metal shapers |
| 2,505,856 | May 02, 1950 | A.T. Gregory | Gearing for internal-combustion engines | |
| 2,946,232 | Jul. 26, 1960 | G.H. Jones | Gear Drive | metalworking machine gearing |
