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Manufacturers Index - Fort Madison Gas Engine Co.

Fort Madison Gas Engine Co.
Fort Madison, IA, U.S.A.
Manufacturer Class: Steam and Gas Engines

Patents
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 a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
896,439 Aug. 18, 1908 Valve Harry J. Criner Burlington, Des Moines County, IA
953,460 Mar. 29, 1910 Exhaust Valve Regulator Harry J. Criner Burlington, Des Moines County, IA
998,327 Jul. 18, 1911 Exhaust Valve Regulator Harry J. Criner Burlington, Des Moines County, IA Abstract:
My invention relates to improvements in exhaust valve regulators, and has for its object the provision of an improved regulator for operating the exhaust valves of engines of the four cycle type.

To attain the desired object my invention comprises a shaft reciprocally moved by a cam on the fly wheel shaft and an abutment intermittently interposed between the recip rocating shaft and the valve stem to operate the latter, the invention residing specifically in the means for interposing said abutment to cause the parts to move together and in the novel features of construct-ion and combination and arrangement of parts for service.