Manufacturers Index - Leffel Water Wheel & Engine Co.
Leffel Water Wheel & Engine Co.
Springfield, OH, U.S.A.
Manufacturer Class:
Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
Submitting Patent Information
If you find a patent number or patent date by this manufacturer that is not on this
list, please contact the Site Historian.
Key to Links for Patent Information
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.
|
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 Mfg. 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. |
|