Texas Patents - 5 Matching Results

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Ventilator-Flue.

Description: Patent for a flue made of separate parts so that it can be disassembled for more efficient transport, including illustrations.
Date: May 27, 1902
Creator: Goodwin, Thomas J.
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Partner: UNT Libraries Government Documents Department

Railway-Switch Stand.

Description: Patent for a railway switch stand that locks "a switch of this class and from which the lock cannot be removed except when the switch is fully locked, thus obviating accidents by always insuring a locked condition of the switch after operation and thereby preventing the switch from being subsequently actuated by unauthorized persons" (lines 11-20), including illustrations.
Date: May 16, 1916
Creator: Berger, James H. & Rosson, George T.
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Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for an improvement to washing machines in which clothes are cleansed with the aid of a plunger apparatus propelling soapy water through them.
Date: May 5, 1914
Creator: Terry, David C.
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Partner: UNT Libraries Government Documents Department

Ore Separator

Description: Patent for ore separator. This invention "relates to separators or concentrators for separating or extracting gold from pulverized quartz sand or bearing dirt" (line 8-11). Illustration included.
Date: May 11, 1909
Creator: Donovan, John T., Sr.
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Partner: UNT Libraries Government Documents Department
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