US Patent: 11,492
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| Stone-dressing machine
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Patentee:
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| Charles T. Porter (exact or similar names) - New York, NY |
| USPTO Classifications: |
| 125/6 |
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Patent Dates:
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| Granted: |
Aug. 08, 1854 |
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Jeff Joslin
Vintage Machinery entry for Charles. T. Porter; Porter-Allen Engine Co.
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Description: |
| Improvements to Elbridge G. Hastings' patent 10,636. Charles T. Porter was a lawyer who was hired by Hastings, and Hastings ended up giving Porter a half-interest in patent 10,636 as payment for services. Porter, who had no prior training or experience as a mechanic, realized that Hastings' design had some good ideas but was not yet practical. Porter learned mechanics and technical drawing on the fly and then made improvements to Hastings' design; this patent is the result. Porter discovered that their stone-dressing machine was producing a rippled surface due to the poor speed regulation of the steam engine driving the machine; Porter went on to design a new steam-engine governor, patent 20,894. Porter would become the most important designer in the emerging field of high-speed steam engines. |
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