5 Matching Results

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CAR-BRAKE (open access)

CAR-BRAKE

Patent for new and useful improvements for Caboose Cars' brakes. The brakes can be applied from within the car, and no strain is applied to the car frame or body.
Date: July 20, 1880
Creator: Dwyer, Denis R.
System: The Portal to Texas History
Window-Screen. (open access)

Window-Screen.

Patent for improvements in screen constructions in connection with doors or windows. The goal is to provide a means for encouraging insects that are on the inner surfaces of the screen.
Date: January 20, 1920
Creator: McGeorge, Jefferson F.
System: The Portal to Texas History
Improvement in Plows. (open access)

Improvement in Plows.

Patent to improve the construction of the mold-board of the plow described in Letters Patent No. 163,352, "to make it more effective in preventing the black lands of Texas and other sticky and waxy soils from adhering to it, and to enable a proper furrow to be turned, however sticky and waxy the soil may be." (Lines 17-22) Includes instructions and illustrations.
Date: June 20, 1876
Creator: Bell, Francis R.
System: The Portal to Texas History
Spark-Arrester. (open access)

Spark-Arrester.

Patent for a simple and durable spark arrester for locomotives that has a minimum number of parts and "which will remove arrested sparks to the fire box of the locomotive and will prevent live sparks being thrown out by the locomotive and thereby endanger property adjoining the railroad tracks" (lines 19-23).
Date: March 20, 1894
Creator: O'Donnell, John
System: The Portal to Texas History
Fire Box For Boilers (open access)

Fire Box For Boilers

Patent for a fire box for boilers. Illustration included.
Date: December 20, 1904
Creator: Scheliga, Raimund
System: The Portal to Texas History