Texas Patents - 4 Matching Results

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Earth-Auger.

Description: Patent for an earth-auger that allows a hole to "be bored in ordinary soil in much less time than with the ordinary auger. It readily bores in ground in which the ordinary auger will not bore - viz., dry, hard, and packed soil, gravel, and concrete beds."
Date: September 12, 1882
Creator: Porter, Thomas & Gillilland, George Washington
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for am adding machine by using two disks, one a units-disk with pins in multiples of ten, one a tens-disk, is an annular disk with pin surrounding the units disk, an outwardly spring-pressed holder having a beveled outer end frictionally engaging the pins of the tens-disk and a carrier having oppositely-beveled ends engaged a supplemental pin and one pin on the tens-disks, teeth in the adjacent faces of the holder and carrier, and an idle-gear between them to enable the adding operation.… more
Date: May 12, 1891
Creator: Wright, Joseph W.
Partner: UNT Libraries Government Documents Department

Steam Cooking Stove.

Description: Patent for a new and improved steam stove. This design "is to provide a stove . . . that can be used on a gas-stove base, a lamp-stove, an ordinary cooking-stove, or even over a camp-fire, and which when so used will provide an apartment for baking or warming and another apartment for steaming, the steam being generated within a surrounding boiler and by the heat that has been used to heat the oven" (lines 11-20). It consists in "a casing divided vertically by a transverse boiler-body, chambers… more
Date: April 12, 1892
Creator: James, Will S.
Partner: UNT Libraries Government Documents Department
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