6 Matching Results

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Device for Making Vessels Invisible. (open access)

Device for Making Vessels Invisible.

Patent for improvements in "air and water craft" (line 13) invisible including illustrations. These improvements include invisibility through "plurality of plates or sections" (lines 18-19) and diffuse light, disguising the vessels.
Date: July 15, 1919
Creator: Chaddick, Mark
System: The Portal to Texas History
Rotary Engine. (open access)

Rotary Engine.

Patent for a simplified rotary engine which uses steam, compressed air and other elastic fluids which act as motive fluid. This patent is special in that it is light and compact. This patent helps the engine start easily, reverse, and stop, as well as other types of motion.
Date: January 8, 1919
Creator: Campbell, William L.
System: The Portal to Texas History
Dirigible Headlight (open access)

Dirigible Headlight

Patent for new design for dirigible headlights by Mr. Hall B. Simpson and Mr. Dewitt Hood, designed with the intention of providing "novel and improved means whereby the headlights are supported by the automobile or other vehicle for turning movement about vertical axes," alongside various innovative applications (lines 23-27).
Date: December 16, 1919
Creator: Simpson, Hall B. & Hood, Dewitt
System: The Portal to Texas History
Electrically-Heated Boiler (open access)

Electrically-Heated Boiler

Patent for an electrically-heated boiler that provides a "compact structure which occupies a minimum amount of space" (line 11-12) while still being a reliable machine.
Date: November 25, 1919
Creator: Fleming, George
System: The Portal to Texas History
Window-Shade-Operating Device (open access)

Window-Shade-Operating Device

Patent for a window-shade-operating device that "revolv[es] the shade roller and [retains] the roller in position whereby the shade is held at the desired point" (lines 14-17).
Date: December 16, 1919
Creator: Minnis, Henry M.
System: The Portal to Texas History
Internal-Combustion Engine. (open access)

Internal-Combustion Engine.

Patent for improvements for internal combustion engines. Improvements include a more compact design, easier to access for repairs, and increased durability and efficiency.
Date: June 17, 1919
Creator: Ward, John Price
System: The Portal to Texas History