Chicken-Brooder (open access)

Chicken-Brooder

Patent for an improved Chicken-Brooder that provide an improved brooder especially for outdoor use or independently of poultry house.
Date: April 29, 1919
Creator: Murray, Richard R.
System: The Portal to Texas History
Well Drilling Machine (open access)

Well Drilling Machine

Patent for a highly sophisticated well drilling machine.
Date: April 29, 1919
Creator: Dayton, Wwilliam L. & Scott, John M.
System: The Portal to Texas History
Pump Jack (open access)

Pump Jack

Patent for an improved double-acting pump jack that will require less parts and external force to operate and maintain.
Date: April 29, 1919
Creator: Lively, William
System: The Portal to Texas History
Engine. (open access)

Engine.

Patent for a rotary engine with a coupled rotary shaft and piston. This engine uses a lubricant for keeping parts of the engine cool, including illustrations.
Date: April 29, 1919
Creator: Sheridan, Leslie M.
System: The Portal to Texas History
Drilling Apparatus (open access)

Drilling Apparatus

Patent for a drilling apparatus able to simultaneously bore into objects and rearm itself.
Date: April 29, 1919
Creator: Layne, Mahlon E.
System: The Portal to Texas History
Rotary Engine (open access)

Rotary Engine

Patent for a rotary engine to be used as "a pump for liquids, as an air compressor, as a vacuum pump and for other purposes"(lines 10-12) including instructions for assembly and illustrations.
Date: April 29, 1919
Creator: Sheridan, Leslie M.
System: The Portal to Texas History
Power-Transmitting Mechanism (open access)

Power-Transmitting Mechanism

Patent for improvements in a power transmitting mechanism.
Date: April 29, 1919
Creator: Smith, Robert W. J.
System: The Portal to Texas History
Farm-Tractor (open access)

Farm-Tractor

Patent for light-weight farm tractor that will be easy to maneuver. The patent includes information on the specifications and automotive components of the farm tractor.
Date: April 29, 1919
Creator: Rountree, Joseph G.
System: The Portal to Texas History
Shell. (open access)

Shell.

Patent for improvements to explosive projectile shells. Provides a shell adapted to contain gas and high explosives with constructed multi-layered shells with the intent to inflict as much damage as possible.
Date: April 29, 1919
Creator: Aoughsten, Richard G. & Aoughsten, Otto L.
System: The Portal to Texas History
Door Catch (open access)

Door Catch

Patent for a new door catch design with an improvement to its locking system for the purpose of reducing injuries caused by the slamming of doors.
Date: April 29, 1919
Creator: Hughes, Stanley R.
System: The Portal to Texas History