Pump. (open access)

Pump.

Patent for an improvement in pumps and "has for its object the provision of a pump providing a counterbalance for the weight of the column of liquid in the suction pipe provided by a vacuum chamber in the pump" (lines 10-14). Illustration included.
Date: November 11, 1919
Creator: Haszinger, George Ernest
System: The Portal to Texas History
Spark-Plug (open access)

Spark-Plug

Patent for improvement of spark-plugs, an automotive engine component.
Date: September 2, 1919
Creator: Hill, John L.
System: The Portal to Texas History
Speed-Operated Circuit-Closer. (open access)

Speed-Operated Circuit-Closer.

Patent for an alarm trigger or stopping device on belt driven grain elevators.
Date: July 3, 1919
Creator: Touchy, Frank Earl
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
Winch Attachment (open access)

Winch Attachment

Patent for an improved automobile winch attachment.
Date: April 22, 1919
Creator: Bush, E. E.
System: The Portal to Texas History
Window-Shade-Operation-Lever. (open access)

Window-Shade-Operation-Lever.

Patent for an invention that provides a simple and relatively inexpensive means for operating window shades without involving a spring roller.
Date: March 18, 1919
Creator: Lee, William
System: The Portal to Texas History
Net-Frame. (open access)

Net-Frame.

Patent for a foldable and stable fishing net-frame.
Date: January 14, 1919
Creator: Franklin, Robert M.
System: The Portal to Texas History
Automatic Firing Device for Explosive Shells. (open access)

Automatic Firing Device for Explosive Shells.

Patent for automatic firing device where "an explosive shell may be caused to travel any distance within the range of the shell through the air without exploding" (lines 14-17).
Date: January 7, 1919
Creator: McCombs, Orville K.
System: The Portal to Texas History
Medical Preparation. (open access)

Medical Preparation.

Patent for improvement in medical preparation for treatment of eczema and other similar diseases.
Date: November 5, 1918
Creator: Linn, Samuel S.
System: The Portal to Texas History
Pocket Hair Brush. (open access)

Pocket Hair Brush.

Patent for useful improvements on the pocket hairbrush in which the bristles are movably mounted in a supporting frame in order to make the brush more compact.
Date: October 29, 1918
Creator: Walbach, James de B.
System: The Portal to Texas History
Spring-Wheel (open access)

Spring-Wheel

Patent for improved spring wheels where the pneumatic tire is replaced with a non-puncturable tire meant to increase strength and resilience of the tire while still being economical.
Date: October 15, 1918
Creator: Spiridakis, Astasios
System: The Portal to Texas History
Signal Stand (open access)

Signal Stand

Patent for a signal stand designed for use in connection with train order boards employing a semaphore as a signal. "The invention, broadly stated, comprises a stand having suitable feet and arms connected by a body portion, said arms serving as a support for a notched quadrant, which quadrant is secured to the arms, a plurality of interconnected layers, one of said levers having a fulcrum or pivotal mounting with the body portion, another of said levers being formed in two parts, one part of which is provided with a connection with the first-named lever, said lever part being provided at one end with a segmental gear to cooperate the segmental gear carried by the other half of the lever, which latter half is pivotally mounted with its fulcrum in the body of the stand, the free ends of said levers extending beyond the the stand being provided for connection with pull rods, that serve to operate the several blades positioned upon a semaphore stand, and means operatively connected to the handled ends of said layers to cooperate with the notches in the quadrant to maintain the levers in predetermined positions." (Lines 54-77)
Date: September 10, 1918
Creator: Fleagle, Robert H.
System: The Portal to Texas History
Direction Signal (open access)

Direction Signal

Patent for a "direction indicator" (lines 12-13) adapted for se in vehicles. Created for a simple method to inform other drivers of the intended direction of the car it is installed in.
Date: August 27, 1918
Creator: Hayhurst, Clark R.
System: The Portal to Texas History
Touch-System Hand-Rest (open access)

Touch-System Hand-Rest

Patent for attaching a novel clamp to the rest frame of a typewriter or table. The clamps can be adjusted to fit various pieces of furniture or typewriters. The invention is to improve the way the hand rests on the frame of the typewriter.
Date: August 27, 1918
Creator: Anderson, Walter J.
System: The Portal to Texas History
Shape-Retaining Device for Felt Hats. (open access)

Shape-Retaining Device for Felt Hats.

Patent for a device that retains the shape of felt hats and restores felt hats that have lost their original form, illustrations included.
Date: August 6, 1918
Creator: Hausinger, George H.
System: The Portal to Texas History
Hinge Construction. (open access)

Hinge Construction.

Patent for a hinge so that doors hung by the use of the hinge will not slam or move casually into a closed position.
Date: June 18, 1918
Creator: Weaver, James J.
System: The Portal to Texas History
Roll-Calendar. (open access)

Roll-Calendar.

Patent for an improved roll calendar comprising a calendar strip, a pair of rolls, and a display casing. The calendar can be moved in either direction to display any calendar month desired. The improved calendar is extremely cheap and simple, may be readily operated and embodies improvements in the construction of the casing.
Date: May 28, 1918
Creator: Townsend, Isaac W.
System: The Portal to Texas History
Mail-Bag-Delivering Apparatus. (open access)

Mail-Bag-Delivering Apparatus.

Patent for "a device for effecting the receipt of bags and the like from and the delivery thereof to railway trains, cars, etc., while the latter are in motion" (lines 11-14), including instructions and illustrations.
Date: May 21, 1918
Creator: Kost, Joseph L.
System: The Portal to Texas History
Surf-Toboggan (open access)

Surf-Toboggan

Patent for improvements to surf toboggans so that the outer casing does not have to be ripped out in order to turn the toboggan inside out for drying purposes. This invention includes flaps with lacings on the inner and outer casings.
Date: April 16, 1918
Creator: Silvernail, George E.
System: The Portal to Texas History
Protector for Type-Writer Frames. (open access)

Protector for Type-Writer Frames.

Patent for typewriter frame protector. The protector attaches to the part of the typewriter frame which is subjected to frequent contact by the user. The protector prevents the frame from wear which can lead to rust.
Date: March 12, 1918
Creator: Glasscock, Gerald A.
System: The Portal to Texas History
Lock Attachment for Automobiles. (open access)

Lock Attachment for Automobiles.

Patent for a lock attachment for automobiles in relation to the gear-shift levers to prevent unlicensed interference with or stealing of the car.
Date: November 20, 1917
Creator: Dobler, Joseph G.
System: The Portal to Texas History
Mail-Handling Device. (open access)

Mail-Handling Device.

Patent for a mail handling device that mounts into a train car to assist in loading and unloading of mail bags.
Date: September 11, 1917
Creator: Kost, Joseph L.
System: The Portal to Texas History
Flexible Conduit. (open access)

Flexible Conduit.

Patent for flexible conduits that posses maximum strength, resilience, and flexibility that extend the life of dredge sleeves, couplings and other capacities.
Date: June 5, 1917
Creator: Johnson, Charles A.
System: The Portal to Texas History
Collapsible Rim. (open access)

Collapsible Rim.

Patent for a collapsible rim for wheels, particularly the wheels of motor vehicles, to provide ease in changing tires. Instructions and illustrations are included.
Date: March 20, 1917
Creator: Rogers, Francis
System: The Portal to Texas History