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.
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20,234
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May. 11, 1858
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Water Wheel
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Alonzo Warren |
Wareham, Plymouth County, MA |
Claim:
The object of this invention is to render available as power the leakage-water-that is, the portion that usually escapes between the rims of the wheel and the scroll and has hitherto been wholly lost, diminishing to a considerable degree the maximum power of the wheel. |
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Water Wheel
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Elijah Damon Jr. |
Wareham, Plymouth County, MA |
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89,363
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Apr. 27, 1869
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Turbine Water Wheel
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Alonzo Warren |
Suffolk County, MA |
Claim:
My invention consists in a series of gates provided with projections, having pivoted thereto a series of sliding curved plates, or graduators, which are operated simultaneously with the gates, thereby dividing the fall of the water into a number of streams of equal volumes, and of uniform velocities, whether the gates be partially or wholly open. |