Manufacturers Index - Napier Saw Works; Metal Saw & Machine Co.
Napier Saw Works; Metal Saw & Machine Co.
Rochester, NY; Springfield, MA; Middletown, NY, U.S.A.
Manufacturer Class:
Metal Working Machinery
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
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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
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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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935,395
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Sep. 28, 1909
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Metal Sawing Machine
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Charles Napier |
Springfield, Hampden County, MA |
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1,221,576
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Apr. 03, 1917
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Manufacture of tempered saw-blades
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Charles Napier |
Springfield, MA |
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1,265,944
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May. 14, 1918
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Process of and Apparatus for Heat Treatment of Metal Objects
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Charles Napier |
Springfield, Hampden County, MA |
This patent was for the clips to heat treat hacksaw blades in a continuous line. |
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1,333,767
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Mar. 16, 1920
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Method of making tempered blades
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Charles Napier |
Springfield, MA |
This patent provides improvements to the tempering process using the tempering machine of patent 1,221,576 and to the process of patent 1,265,944. |
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1,350,618
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Aug. 24, 1920
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Apparatus for making tempered blades
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Charles Napier |
Springfield, MA |
This patent provides improvements to the tempering process using the tempering machine of patents 1,221,576 and 1,265,944. This patent produces blades of varying temper, where the tooth tips are of maximum hardness which gradually transitions through decreasing hardness (but increasing resilience) through the rest of the tooth. |
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1,352,140
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Sep. 07, 1920
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Tempered blade
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Charles Napier |
Springfield, MA |
This patent provides improvements to the tempering process using the tempering machine of patent 1,221,576 and the process of patent 1,265,944. This patent covers sawblade composition to support his variable-tempering process which produced "glass-hard" tooth tips that became progressively softer and more resilient from the tip to the root of the tooth. |
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1,360,972
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Nov. 30, 1920
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Metal-sawing machine
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Charles Napier |
Springfield, MA |
Improvements to the horizontal bandsaw of patent 935,395. |
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1,461,004
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Jul. 03, 1923
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Hack-saw machine of the continuous-band type
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Charles Napier |
Springfield, MA |
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