Manufacturers Index - Knowlton, Smith & Co.
Knowlton, Smith & Co.
Philadelphia, PA, U.S.A.
Manufacturer Class:
Wood Working Machinery & Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
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40,344
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Oct. 20, 1863
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Improved sawing machine
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John L. Knowlton |
Bordentown, NJ |
Saw is intended for cutting curved ship timber. Improved in patent 41,707. |
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41,707
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Feb. 23, 1864
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Improvement in sawmills
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John L. Knowlton |
Bordentown, NJ |
Improvement on patent 40,344's feed roller and adjuncts. This saw was featured in the 1864-02-20 issue of Scientific American, which provided the name of the manufacturer. |
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73,536
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Jan. 21, 1868
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Improvement in circular-saw mills
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John L. Knowlton |
Philadelphia, PA |
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76,471
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Apr. 07, 1868
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Improvement in sawmills
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John L. Knowlton |
Philadelphia, PA |
This patent is an improvement on patent 40,344, which had been reissued as 2,072. This machine won an award at the 1876 Centennial Exhibition. The award was granted to "Jno. L. Knowlton's estate". |
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106,374
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Aug. 16, 1870
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Improvement in lath-machine
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John L. Knowlton |
Philadelphia, PA |
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155,093
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Sep. 15, 1874
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Improvement in steam-boilers
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John L. Knowlton |
Sharon Hill, PA |
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157,843
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Dec. 15, 1874
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Improvement in saw-mills
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John L. Knowlton |
Sharon Hill, PA |
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162,392
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Apr. 20, 1875
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Improvement in saw-sharpening machines
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John L. Knowlton |
Sharon Hill, PA |
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