Manufacturers Index - Penberthy Injector Co.
Penberthy Injector Co.
Detroit, MI, U.S.A.
Company Website: https://www.emerson.com/en-us/automation/valves-actuators-regulators/penberthy.
Manufacturer Class:
Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
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Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
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USPTO's for finding information on machinery patents.
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554,401
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Feb. 11, 1896
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Injector
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Thomas J. Sweeney |
Detroit, Wayne County, MI |
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646,126
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Mar. 27, 1900
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Lubricator
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Elijah McCoy |
Detroit, Wayne County, MI |
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67,576
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Jun. 01, 1900
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Lubricator
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Elijah McCoy |
Detroit, Wayne County, MI |
The inventor was born in Canada to fugitive slaves from Kentucky. He moved to Scotland where he was certified as a mechanical engineer, and then rejoined his family who in the meantime had moved to Michigan. |
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106,969
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Aug. 13, 1907
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Lubricator
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Peter J. Sweeney |
ON, Canada |
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890,295
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Jun. 09, 1908
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Lubricator
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Elijah McCoy |
Detroit, Wayne County, MI |
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890,787
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Jun. 16, 1908
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Lubricator
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Elijah McCoy |
Detroit, Wayne County, MI |
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114,255
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Sep. 29, 1908
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Lubricator
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Elijah McCoy |
Detroit, Wayne County, MI |
The inventor was born in Canada to fugitive slaves from Kentucky. He moved to Scotland where he was certified as a mechanical engineer, and then rejoined his family who in the meantime had moved to Michigan.
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119,146
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Jun. 29, 1909
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Lubricator
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Peter J. Sweeney |
ON, Canada |
An example has been seen of this oil cup, marked with the assignee's name and "PAT. JUNE 24, 09". |
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997,400
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Jul. 11, 1911
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Lubricator
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Elijah McCoy |
Detroit, Wayne County, MI |
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136,871
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Nov. 21, 1911
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Lubricator
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Elijah McCoy |
Detroit, Wayne County, MI |
The inventor was born in Canada to fugitive slaves from Kentucky. He moved to Scotland where he was certified as a mechanical engineer, and then rejoined his family who in the meantime had moved to Michigan. |
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