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Manufacturers Index - Leffel Water Wheel & Engine Co.

Leffel Water Wheel & Engine Co.
Springfield, OH, U.S.A.
Manufacturer Class: Steam and Gas Engines

Patents
This page contains information on patents issued to this manufacturer.

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USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
4,056 May. 21, 1845 Improvement in water-wheels James Leffel Springfield, OH The inventor received a later water-wheel patent, 34,150, which became one of the most successful water-wheel designs of all time.
34,150 Jan. 14, 1862 Improved water-wheel James Leffel Springfield, OH This is the famous "Leffel's American Double Turbine" water wheel. It was manufactured by Leffel Water Wheel and Engine Co.; James Leffel & Co.; Paxton, Tate & Co. of Port Perry, Ontario; and Joseph Hall Manufacturing Co. of Oshawa, Ontario. This patent was reissued as a pair of patents, 1,791 and 1,792.
RE1,791 Oct. 11, 1864 Improvement in water-wheels James Leffel Springfield, OH See the original patent, 45,150, for details about this important patent, which was split into a pair of reissues, this patent and 1,792.
RE1,792 Oct. 11, 1864 Improvement in cases for water-wheels James Leffel Springfield, OH See the original patent, 45,150, for details about this important patent, which was split into a pair of reissues, this patent and 1,791.