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All Patents of Type: cranes
Patents 1 - 15 of 23
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NumberDatePatenteeTitleType
2,218XNov. 08, 1814T. ReynoldsCrane, screw and bale for raising mill stonescranes
3,056XDec. 31, 1818E. SmithLever cranecranes
4,825XJul. 21, 1827G. Hill, E. MannPortable crane for raising brick, etc.cranes
8,290XJul. 08, 1834H. BradfordCranecranes
9,389XFeb. 12, 1836E. MarshCranecranes
9,813XJun. 30, 1836G. SherwoodDerrick (Crane)cranes
1,089Feb. 24, 1839W.S. OtisCrane-Excavator for Excavating and Removing Earthcranes
24,912Jul. 26, 1859J.Y. ParceHoisting Cranecranes
79,710Jul. 07, 1868S.K. WellmanHydraulic Jackcranes
CA-1,222Nov. 17, 1871T. NortheyNorthey's improved triple barreled steam cranecranes
168,412Oct. 05, 1875F.A. PrattImprovement in cranescranes
241,236May 10, 1881F.A. PrattAdjustable levercranes
285,100Sep. 18, 1883H.M. Barnhart, E. HuberTraveling cranecranes
325,309Sep. 01, 1885H.M. Barnhart, E. HuberDevice for loading and unloading carscranes
788,606May 02, 1905R.F. Scott, P. MullenHoisting mechanismscranes
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