Slime-Separator. (open access)

Slime-Separator.

Patent for a slime-separator "to provide means for automatically regulating the separate water flow, and discharging the solid proportionally with the settling of the solids in the receptacle" (lines 44-47). The patent includes illustrations and instructions.
Date: November 24, 1914
Creator: Allen, Charles
System: The Portal to Texas History
Baling-Press. (open access)

Baling-Press.

Patent for improvements in baling presses. Consists of improvements over prior patents 1197532 and 1229126. These improvements are primarily for operation of the compressor and also the mechanism for actuating the feeder.
Date: December 24, 1918
Creator: North, George W. & Andreas, H.M.
System: The Portal to Texas History
Pencil-Holder. (open access)

Pencil-Holder.

Patent for a pencil-holder designed to quickly attach to pencils or pens of different sizes, including illustrations. This pencil-holder features a clip which clamps onto the edge of one's pocket to prevent the pencil from falling out or damaging the pocket.
Date: April 24, 1906
Creator: Eldredge, Alva Ray
System: The Portal to Texas History
Advertising Chair (open access)

Advertising Chair

Patent for a rocking chair for displaying advertisements. Illustrations included.
Date: May 24, 1910
Creator: Biehl, Antonio
System: The Portal to Texas History
Coating Apparatus and Mathod. (open access)

Coating Apparatus and Mathod.

Patent for a new apparatus into which long objects such as pipes can be placed, dipped into coating material, and spun so that objects are coated evenly.
Date: August 24, 1920
Creator: Watrous, Edward L.
System: The Portal to Texas History
Process of Making Hydrochloric Acid and Calcium Carbid (open access)

Process of Making Hydrochloric Acid and Calcium Carbid

Patent for "new and useful processes in treating fused calcium chlorid with acetylene gas or other gases mixed therewith, whereby hydrochloric-acid gas and calcium carbid may be produced," (lines 12-16) thus making the manufacturing processes of hydrochloric-acid cheaper while also producing calcium carbid more economically.
Date: July 24, 1906
Creator: Seamon, William H.
System: The Portal to Texas History
Process of Producing Gas (open access)

Process of Producing Gas

Patent for a carbon monoxide gas producer. Illustrations included.
Date: September 24, 1912
Creator: Hirt, Jules H.
System: The Portal to Texas History
Screening Device. (open access)

Screening Device.

Patent for a screening device that offers "an improved means for imparting motion to and controlling or varying the motion of the screen to affect a separation of the materials undergoing treatment." (lines 10-13).
Date: July 24, 1917
Creator: Cole, David
System: The Portal to Texas History
Folding Cot Or Bed (open access)

Folding Cot Or Bed

Patent for a folding cot or bed. Illustration included.
Date: October 24, 1905
Creator: Gusdorf, Adolph
System: The Portal to Texas History
Gangway. (open access)

Gangway.

Patent for a ramp for use by the Army in loading farm animals and wagons on train cars and other transports. This gangway is designed in sections to be adaptable for different needs and to be collapsible for storage and easy transportation.
Date: April 24, 1917
Creator: Titsworth, Richard
System: The Portal to Texas History
Cutter-Head (open access)

Cutter-Head

Patent for a cutter head, related to cutter heads used for woodworking machinery, including instructions and illustrations.
Date: November 24, 1914
Creator: Crawford, John Mack
System: The Portal to Texas History
Acetylene-Gas-Generating Apparatus. (open access)

Acetylene-Gas-Generating Apparatus.

Patent for "improvements in apparatus for generating acetylene , and comprises the novel features." (lines 8-10) including illustration.
Date: July 24, 1900
Creator: Metcalf, Charles Wesley
System: The Portal to Texas History