GB Patent: GB-180,102,531
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| Air pumps and other steam engine parts
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Patentee:
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| Matthew Murray (exact or similar names) - Leeds, county York, England |
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Patent Dates:
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| Granted: |
Aug. 11, 1801 |
Espacenet patent
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Joel Havens
Grace's Guide page on Matthew Murray
Wikipedia biography of Matthew Murray
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Description: |
| This patent comprised six improvements. "First, for a method of constructing the air-pump; secondly, for a method of packing stuffing-boxes... The third and fourth methods relate to the construction and motion of the valves. The fifth was a method of connecting the piston-rod to the parallel motion; and the last, for the construction of fireplaces, by which the smoke arising from the fire was to be consumed." Rival engine maker Boulton & Watt challenged the patent and showed the existence of prior art for one of the claims. Under the patent laws then in place, the entire patent was then set aside. |
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