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Patents for Chambersburg Engineering Co.
Patents 1 - 15 of 19
First set of recordsNext set of recordsLast set of records
1,037,735Sep. 03, 1912H.E. DerbyshireSafety-latch for board drop-hammersdrop hammers
1,068,225Jul. 22, 1913H.E. DerbyshireDrop-hammer roll-release mechanismdrop hammers
1,246,183Nov. 13, 1917H. TerhuneDrop-hammerdrop hammers
1,246,184Nov. 13, 1917H. TerhuneDrop-hammerdrop hammers
1,246,185Nov. 13, 1917H. TerhuneMeans for operating the rolls of a board drop-hammerdrop hammers
1,311,942Aug. 05, 1919H. Terhune, A. AldridgeElectromagnetically-controlled board drop-hammerdrop hammers
1,606,717Nov. 09, 1926G.R. MurrayDrop hammerdrop hammers
1,807,455May 26, 1931H. TerhuneForging hammerdrop hammers
1,833,800Nov. 24, 1931H. TerhuneKnock-off for board drop hammers and the likedrop hammers
2,046,447Jul. 07, 1936E.C. ClarkeSteam hammerdrop hammers
2,345,563Apr. 04, 1944R.L. Alcorn, Jr.Hydraulically operated drop hammerdrop hammers
2,604,071Jul. 22, 1952P.A. RickrodeDrop hammer of the gravity typedrop hammers
2,619,072Nov. 25, 1952P.A. Rickrode, E.C. Clarke, Jr.Drop hammer controldrop hammers
2,742,802Apr. 24, 1956E.C. Clarke, H.A. WeyerImpact devicedrop hammers
3,142,206Jul. 28, 1964G.A. Householder, W.W. HagueControl system for impact devicedrop hammers
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