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US Patent: 23,032
Steam-pressure gage
Thomas W. Lane - Meredith, NH

USPTO Classifications:

Tool Categories:
propulsion and energy : steam apparatus : stationary boilers : steam pressure gauges


American Steam Gauge Co. - Boston, MA
National Steam Gauge Co. - Boston, MA

Samuel Cooper
Thomas S. Roach

Patent Dates:
Granted: Feb. 22, 1859

Reissue Information:
Reissued as RE5,320 (Mar. 11, 1873)

Patent Pictures:
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"Vintage Machinery" entry for American Steam Gauge Co.
This is an improvement to the Bourdon steam gauge of patent 9,163. We know that this patent was used by American Steam Gauge Co. of Boston because "T. W. Lane's improvement" to the Bourdon gauge in mentioned in an 1860 announcement that American Steam Gauge Co. was merging with National Steam Gauge Co. (in fact, American was buying out National).

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