Piano. (open access)

Piano.

Patent for a piano with reversible boards below the keyboard and on the side of the piano. The board below the keyboard can be reversed to hide wear and the board on the side has foot pedals and a foot-rest for children or beginners to use which can be hidden inside the piano when not in use by reversing the board.
Date: April 9, 1907
Creator: Norcross, Levi Watson
Object Type: Patent
System: The Portal to Texas History
Pedal-Action. (open access)

Pedal-Action.

Patent for a piano pedal action, which can be used in different types of pianos and is adjustable for different users.
Date: April 5, 1910
Creator: Norcross, Levi Watson
Object Type: Patent
System: The Portal to Texas History
Door. (open access)

Door.

Patent for a door for bathrooms that adjoin two rooms that turns a partition door around 180 degrees when a person enters the bathroom and has locks to prevent the entrance of a person from the other room.
Date: April 5, 1910
Creator: Van Zandt, John H.
Object Type: Patent
System: The Portal to Texas History
Design for a Post for Fences (open access)

Design for a Post for Fences

Patent for a design for new, unique, and decorative fence posts.
Date: April 21, 1908
Creator: Shelton, John F.
Object Type: Patent
System: The Portal to Texas History
Cotton-Picker. (open access)

Cotton-Picker.

Patent for an electric motor operated cotton picker, which is worn on the body and sucks the cotton bolls through a nozzle into a bag.
Date: April 20, 1909
Creator: Gray, Sidney J.
Object Type: Patent
System: The Portal to Texas History
Structural Monitoring of the World's First Precast Network Arch Bridge During Construction (open access)

Structural Monitoring of the World's First Precast Network Arch Bridge During Construction

"This report provides an overview of a monitoring study on the West 7th Street Bridge in Ft. Worth, Texas that was carried out by The University of Texas at Austin (UT)."
Date: April 2014
Creator: Yousefpour, Hossein; Helwig, Todd & Bayrak, Oguzhan
Object Type: Report
System: The Portal to Texas History
Crate (open access)

Crate

Patent for improvements for shipping crates, including illustrations.
Date: April 22, 1913
Creator: Dick, Archie P., Jr.
Object Type: Patent
System: The Portal to Texas History
Advertising Device (open access)

Advertising Device

Patent for an Advertising Device. This device provides "a series of hinged leaves so mounted that those exposed to view have the experience of being part of a book." (lines 14-17). "A further object is to provide means which will conceal the operating mechanism, and mystify the observer" (lines 23-25), with a "supporting structure and a dummy provided with a movable hand...for turning said movable shaft as the leaves are turned" (lines 3-13).
Date: April 6, 1912
Creator: Friedman, Bernard Z.
Object Type: Patent
System: The Portal to Texas History
Intestine-Protector. (open access)

Intestine-Protector.

Patent for an intestine protector that protects the intestines from needles (or other sharp instruments) after surgical procedures have concluded.
Date: April 29, 1913
Creator: Miller, Robert E. L.
Object Type: Patent
System: The Portal to Texas History
Puncture-Proof Tire (open access)

Puncture-Proof Tire

Patent for improved armor in tires so they do not puncture as quickly or as easily, including illustrations.
Date: April 1, 1913
Creator: Hibbs, Cassell De
Object Type: Patent
System: The Portal to Texas History
Sanitary Drain-pan for Refrigerators. (open access)

Sanitary Drain-pan for Refrigerators.

Patent for a sanitary drain pan for refrigerators, specifically pertaining to sliced meats. The text explains the benefits of the new drain pan and its components.
Date: April 22, 1913
Creator: Schmalzried, John F.
Object Type: Patent
System: The Portal to Texas History
Truck. (open access)

Truck.

Patent for trucks adapted to accommodate lumber, rails, or other materials of various lengths, to balance the load on the center wheels, requiring less power to move the truck.
Date: April 25, 1916
Creator: Simpson, Louis
Object Type: Patent
System: The Portal to Texas History
Packing-Ring. (open access)

Packing-Ring.

Patent for packing rings featuring inner and outer rings that are transversely divided, with respective rings functioning in a unified manner, preventing independent rotative movement.
Date: April 7, 1914
Creator: Bryant, Clarence R.
Object Type: Patent
System: The Portal to Texas History
Hat for Dolls and Other Purposes (open access)

Hat for Dolls and Other Purposes

Patent for toy hats for dolls. It is a low-cost doll's hat which can also be used to carry candy for children, including illustrations.
Date: April 10, 1917
Creator: Keller, Carrie, M.
Object Type: Patent
System: The Portal to Texas History
Rail-Joint. (open access)

Rail-Joint.

Patent for the "improvements in rail joints, the object being to so construct and arrange the meeting ends of two railway rails as to provide interlocking members..." (lines 8-12). The patent includes specifications and illustrations.
Date: April 14, 1914
Creator: Evans, James B., Sr.
Object Type: Patent
System: The Portal to Texas History
Occurrence, Availability and Chemical Quality of Ground Water in the Cretaceous Aquifers of North-Central Texas: Volume 1 (open access)

Occurrence, Availability and Chemical Quality of Ground Water in the Cretaceous Aquifers of North-Central Texas: Volume 1

Report on the quality and availability of ground water in the cretaceous aquifers of north-central Texas. Includes maps, hydrographs, rainfall data, pumpage, and more.
Date: April 1982
Creator: Nordstrom, Phillip L.
Object Type: Report
System: The Portal to Texas History
Valve-Lifter (open access)

Valve-Lifter

Patent for an improved device that can be applied to a valve spring plate without losing grip.
Date: April 8, 1920
Creator: Chaney, Robert
Object Type: Patent
System: The Portal to Texas History
Combine Dimmer and Adjuster for Headlights (open access)

Combine Dimmer and Adjuster for Headlights

This patent is for the improvement of illumination and more particularly relates to a combined dimmer and adjuster for headlights. The primary aim is for the improvement of dimmers on the lamps of a motor vehicle so that the dimmers might be adjusted together with respect to the lamps so that various positions of vertical and horizontal adjustment are possible and if necessary, the removal of the cover of the lamps.
Date: April 9, 1918
Creator: Averitt, Robert W.
Object Type: Patent
System: The Portal to Texas History
Advertising Device (open access)

Advertising Device

Patent for an advertising device meant to sit on a desk as a ruler. This device is designed to make the images on its surface appear to be suspended in air when it is lifted. It can be manufactured cheaply and is intended to be distributed for free as both a ruler and advertisement.
Date: April 9, 1918
Creator: Glisson, Amos Adolphus
Object Type: Patent
System: The Portal to Texas History
Automatically-Operated Gate and Door (open access)

Automatically-Operated Gate and Door

Patent for improvements on automatically opened doors and gates for vehicular passing. The improvements will allow the automatic opening of gates and doors without human attention or interference.
Date: April 9, 1921
Creator: Brown, George W.
Object Type: Patent
System: The Portal to Texas History
Improvements in the Concentration and Purification of Sludge Acid (open access)

Improvements in the Concentration and Purification of Sludge Acid

Patent for improvements in the concentration and purification of sludge acid in petroleum refineries.
Date: April 23, 1918
Creator: Slater, William A.
Object Type: Patent
System: The Portal to Texas History
Tire Casing Core (open access)

Tire Casing Core

Patent for a tire casing core designed to make the installation and removal of casings from tires easier to perform with a reduced risk of damaging either item.
Date: April 15, 1919
Creator: Hibbs, C. D.
Object Type: Patent
System: The Portal to Texas History
Piston Ring (open access)

Piston Ring

Patent for "new and useful improvements in Piston Rings (lines 5-6)."
Date: April 30, 1918
Creator: Byrant, Clarence R.
Object Type: Patent
System: The Portal to Texas History
Rotary Engine. (open access)

Rotary Engine.

Patent for an improved rotary engine which overheats less, reduces the space between the piston and cylinder, and is easy to construct and operate.
Date: April 27, 1920
Creator: Jefferies, Charlie Q.
Object Type: Patent
System: The Portal to Texas History