Aeroplane. (open access)

Aeroplane.

Patent for improved propulsion for airplanes involving propellors in the front and rear of the plane. This aids in regulating air currents to stabilize flight, landing and speed. The patent includes illustrations.
Date: June 12, 1917
Creator: Campbell, John R.
System: The Portal to Texas History
Clothes-Pin (open access)

Clothes-Pin

Patent for clothes pin with illustration attached. This pin was created to allow ease shifting of clothes hanging from the clothe line. Additionally the clothes pin does not pinch the clothes it holds in place.
Date: June 12, 1917
Creator: McKinney, Arthur C.
System: The Portal to Texas History
Door Fastener (open access)

Door Fastener

Patent is for door locking device for fasteners that can be carried around in a pocket. It is an improvement on models in circulation.
Date: June 12, 1917
Creator: Price, John
System: The Portal to Texas History
Furnace (open access)

Furnace

Patent for "a system of producing heat for kilns, furnaces for burning lime, furnaces for boilers, and similar purposes, and the object is to provide apparatus for consuming all the fuel fed to the furnaces and for pre-heating the air which is fed to the furnaces and for excluding all air which has not been preheated" (lines 8 - 15).
Date: June 12, 1917
Creator: Bone, David R.
System: The Portal to Texas History
Hand Manure-Scraper. (open access)

Hand Manure-Scraper.

Patent for a handheld scraper with a handle added at a 45-degree angle and rivets to secure the shank.
Date: June 12, 1917
Creator: Heller, Louis & Neese, Elo
System: The Portal to Texas History
Harness Rack (open access)

Harness Rack

Patent for harness-rack improvements combining harness suspending means and rein holder.
Date: June 12, 1917
Creator: Weddle, William H.
System: The Portal to Texas History
Pistol-Holster. (open access)

Pistol-Holster.

Patent for a pistol holster that allows the weapon to be more easily drawn, including illustrations.
Date: June 12, 1917
Creator: Shelton, Walter H.
System: The Portal to Texas History
Reel (open access)

Reel

Patent for an improvement in reels. The reel features improvements in how to attach the end of a film strip to the reel for winding.
Date: June 12, 1917
Creator: Allen, Harry Porter
System: The Portal to Texas History
Sash Control (open access)

Sash Control

Patent for a window sash control system. This mechanism allows the user to open a hard to reach window, such as one at the top of a stairwell, remotely via a series of ropes and pulleys.
Date: June 12, 1917
Creator: Coogle, John David
System: The Portal to Texas History
Spring Wheel for Vehicles. (open access)

Spring Wheel for Vehicles.

Patent for spring-wheel that will supply resiliency for shock absorption, preventing shocks and jarring to the body of the vehicle.
Date: June 12, 1917
Creator: Crowe, Thomas J.
System: The Portal to Texas History
Tortilla-Making Machine. (open access)

Tortilla-Making Machine.

Patent for a machine for making tortillas "easily, conveniently and rapidly" (lines 13-14), including illustrations.
Date: June 12, 1917
Creator: GutiƩrrez, Refugio
System: The Portal to Texas History
Valve (open access)

Valve

Patent for an automatic valve for use upon hydraulic or suction dredges to prevent sore material such as clay, sand and mud from preventing the efficient use of the dredge sure to the closing of heavy material in the mouth of the dredge. The valve is intended to supply water to flush out the mouth of the dredge.
Date: June 12, 1917
Creator: Miller, Henry L.
System: The Portal to Texas History