Vehicle-Tire (open access)

Vehicle-Tire

Patent for a vehicle tire with improved springs.
Date: April 23, 1912
Creator: Banks, Theodore H.
System: The Portal to Texas History
Rotary Engine (open access)

Rotary Engine

Patent for "an engine that is adaptable to all kinds of work, and which is capable of running the heaviest locomotive and the lightest sewing-machine with equal ease and satisfaction" (lines 9-13).
Date: April 23, 1889
Creator: Hines, John Fletcher, Sr.
System: The Portal to Texas History
Sanitary Cooking Table (open access)

Sanitary Cooking Table

Patent for a sanitary cooking table, which has for its primary object the provision of a sanitary cooking table specially adapted for use in cooking schools.
Date: April 23, 1918
Creator: Laursen, Laust K.
System: The Portal to Texas History
Electric-Lamp Attachment. (open access)

Electric-Lamp Attachment.

Patent for an electric-lamp attachment, "the primary object of this invention being the provision of a lamp socket attachment of supporting means in combination with a switch, whereby the current energizing the filament of an incandescent lamp is so controlled as to produce different degrees of incandescence in the filament and thus produce different degrees of radiance to produce a dim or a highlight as may be desired" (lines 9-18). Illustrations included.
Date: April 23, 1912
Creator: McNeel, William Pinkney
System: The Portal to Texas History
Combined Elastic Clutch and Engine-Starter (open access)

Combined Elastic Clutch and Engine-Starter

Patent for a combined elastic clutch and engine starter for hydrocarbon engines that does not produce a jerk.
Date: April 23, 1912
Creator: Reagan, Edgar U. G.
System: The Portal to Texas History
Device for Placing Torpedoes. (open access)

Device for Placing Torpedoes.

Patent for "a device especially adapted for placing torpedoes on railroad tracks and at the same time fixing the torpedo in position, the work being accomplished in a simple and expeditious manner while the train is in motion, whereby one train following another may be signaled without stopping the first train, thus preventing rear end collisions." (Lines 7-15) Includes instructions and illustrations.
Date: April 23, 1895
Creator: Seamands, James D.
System: The Portal to Texas History
Gage or Indicator for Liquid-Tanks. (open access)

Gage or Indicator for Liquid-Tanks.

Patent for a gage or indicator for liquid tanks of inflammable and explosive liquids. Its main purpose is to prevent leakage to minimize danger from fire, including illustrations and instructions.
Date: April 23, 1912
Creator: Surber, Steven P.
System: The Portal to Texas History
Camp Bedding-Roll (open access)

Camp Bedding-Roll

Patent for a bedding roll in which the main sheet is adapted to receive a mattress or be stuffed with straw, grass, or leaves to enable it to be used as a bed-sack.
Date: April 23, 1918
Creator: Waugh, Julia Nott
System: The Portal to Texas History