Manufacturers Index - Hanna Engineering Works
Hanna Engineering Works
Chicago, IL, U.S.A.
Manufacturer Class:
Metal Working Machinery
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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606,543
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Jun. 28, 1898
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Self-lubricating engine
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Elmer E. Hanna |
Chicago, IL |
At about the same time this patent was issued the inventor also developed a pneumatic screen shaker for foundry use, and ended up leaving Gates Iron Works, with their blessing, to establish Hanna Engineering Works which manufactured the shaker and other products for foundry and boiler-making use. |
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1,195,349
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Aug. 22, 1916
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Lubricator
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Philetus Warren Gates |
Chicago, IL |
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1,211,431
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Jan. 09, 1917
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Lubricator
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Albert J. Gates |
Chicago, IL |
Lubrication for "a motor operated by compressed air", as in a riveter. |
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1,211,432
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Jan. 09, 1917
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Lubricator
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Philetus Warren Gates |
Chicago, IL |
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1,400,282
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Dec. 13, 1921
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Molding-machine
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Philetus Warren Gates |
Chicago, IL |
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1,404,126
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Jan. 17, 1922
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Riveter
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William P. Krause |
Chicago, IL |
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1,620,253
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Mar. 08, 1927
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Lubricator
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Philetus Warren Gates |
Chicago, IL |
Improvements to the lubricators of patents 1,211,431, 1,211,432, and 1,195,349. |
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