| Patents for Chambersburg Engineering Co. |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 1,037,735 | Sep. 03, 1912 | H.E. Derbyshire | Safety-latch for board drop-hammers | drop hammers |
| 1,068,225 | Jul. 22, 1913 | H.E. Derbyshire | Drop-hammer roll-release mechanism | drop hammers |
| 1,246,182 | Nov. 13, 1917 | H. Terhune | Board Drop Hammer | drop hammers |
| 1,246,183 | Nov. 13, 1917 | H. Terhune | Drop-hammer | drop hammers |
| 1,246,184 | Nov. 13, 1917 | H. Terhune | Drop-hammer | drop hammers |
| 1,246,185 | Nov. 13, 1917 | H. Terhune | Means for operating the rolls of a board drop-hammer | drop hammers |
| 1,311,942 | Aug. 05, 1919 | A. Aldridge, H. Terhune | Electromagnetically-controlled board drop-hammer | drop hammers |
| 1,606,717 | Nov. 09, 1926 | G.R. Murray | Drop hammer | drop hammers |
| 1,807,455 | May 26, 1931 | H. Terhune | Forging hammer | drop hammers |
| 1,833,800 | Nov. 24, 1931 | H. Terhune | Knock-off for board drop hammers and the like | drop hammers |
| 2,046,447 | Jul. 07, 1936 | E.C. Clarke | Steam hammer | drop hammers |
| 2,345,563 | Apr. 04, 1944 | R.L. Alcorn, Jr. | Hydraulically operated drop hammer | drop hammers |
| 2,604,071 | Jul. 22, 1952 | P.A. Rickrode | Drop hammer of the gravity type | drop hammers |
| 2,619,072 | Nov. 25, 1952 | E.C. Clarke, Jr., P.A. Rickrode | Drop hammer control | drop hammers |
| 2,742,802 | Apr. 24, 1956 | H.A. Weyer, E.C. Clarke | Impact device | drop hammers |
