US Patent: RE10,557
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| Throttle Valve
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Patentee:
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| Edmund Lunkenheimer (exact or similar names) - Cincinnati, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 11, 1884 |
| Granted: |
Feb. 03, 1885 |
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Patent Pictures:
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Edmund Lunkenheimer reissue patent October 3, 1885 |
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Stan Schulz
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Description: |
| Throttle valve for steam engines; the valve faces are machined to prevent leakage. The threaded hexagon cap eases the gate valve off and on the valve seat. The patent calls the operating lever a wrench. |
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