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All Patents of Type: foundryman
Patents 1 - 15 of 25
First set of recordsNext set of recordsLast set of records
NX-182,412,281Dec. 28, 1824A. DanaCasting balance beams with notchesbalancing machinery
8,668XMar. 03, 1835J. HarleyCasting chilled rolls, &c.foundryman
170Apr. 20, 1837G.E. SellersImprovement in concentrating-furnaces for smelting iron ores by the use of anthracite coal in which other kinds of fuel can be usedfoundryman
332Jul. 31, 1837J. LyonImprovement in the mode of smelting iron ores by the employment of a composition of anthracite and clay as a fuelfoundryman
3,427Feb. 07, 1844T. LoringImprovement in flasks for molding hingesfoundryman
16,082Nov. 11, 1856H. BessemerImprovement in the manufacture of iron and steelfoundryman
20,151May 04, 1858D. FinleyCasting car-wheelsfoundryman
67,181Jul. 30, 1867J. Farrar, W. GrovesImprovement in moulds for casting metalfoundryman
85,341Dec. 29, 1868H.F. Snyder, G.S. Snyder, W.N. JonesImprovement in casting bearings for machineryfoundryman
86,144Jan. 26, 1869J. Farrar, L.F. WhitingFlask for molding pipefoundryman
86,145Jan. 26, 1869J. Farrar, L.F. WhitingLining for metal casting moldsfoundryman
116,134Jun. 20, 1871J. Yocom, Jr.Improvement in split castingsfoundryman
125,948Apr. 23, 1872A.S. GearOscillating spindle sanderfoundryman
235,796Dec. 21, 1880C.B. MorseMold and core for casting hollow ingotsfoundryman
506,717Oct. 17, 1893A.W. NeedhamMachine for making core-supportsfoundryman
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