Manufacturers Index - Nelson W. Twiss
Nelson W. Twiss
New Haven, CT, U.S.A.
Manufacturer Class:
Metal Working Machinery & Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
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USPTO's for finding information on machinery patents.
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118,938
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Sep. 12, 1871
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Improvement in lathes
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Henry R. Hill |
New Haven, CT |
"This invention relates to mechanism arranged, in combination with a slide-lathe, for cutting or turning prismatic and other forms, intended more especially for turning or cutting stone columns, stone fence-posts, balusters, &c., but applicable to wood, metal and other material..." |
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Improvement in lathes
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Nelson W. Twiss |
New Haven, CT |
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212,285
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Feb. 11, 1879
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Improvement in cut-off gearing
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Nelson W. Twiss |
New Haven, CT |
"This invention relates to an improvement in that class of cut-offs for steam-engines which are adjusted automatically by the action of the governor; and it consists in the construction, as hereinafter described..." |
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247,588
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Sep. 27, 1881
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Automatic cut-off
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Nelson W. Twiss |
New Haven, CT |
Improvements to patent 212,285. |
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350,172
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Oct. 05, 1886
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Valve-gear
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Nelson W. Twiss |
New Haven, CT |
Further improvements to patent 212,285. |
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356,512
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Jan. 25, 1887
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Valve-gearing
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Nelson W. Twiss |
New Haven, CT |
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473,486
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Apr. 26, 1892
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Steam-engine valve
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Nelson W. Twiss |
New Haven, CT |
Improvements to patent 212,285. |
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1,006,808
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Oct. 24, 1911
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Liberating Cut-Off-Valve Gear
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Nelson W. Twiss |
New Haven, New Haven County, CT |
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