Boat-Propeller (open access)

Boat-Propeller

Patent for a boat propeller that runs more efficiently by turning in such a way that the load of water on the propeller is taken off when its blades are going up.
Date: July 16, 1912
Creator: Reames, Charles H.
Object Type: Patent
System: The Portal to Texas History
Caster. (open access)

Caster.

Patent for "casters, and more especially to those of that type employing a ball and anti-friction rollers," (lines 8-10) including instructions and illustrations.
Date: May 16, 1911
Creator: Taylor, Henry William
Object Type: Patent
System: The Portal to Texas History
Combined Heater and Radiator (open access)

Combined Heater and Radiator

Patent for a combined water heater and radiator. Illustrations included.
Date: April 16, 1912
Creator: Wheeler, Mary J.
Object Type: Patent
System: The Portal to Texas History
Attachment for Kitchen-Cabinets (open access)

Attachment for Kitchen-Cabinets

Patent for an attachment for kitchen cabinets that has a mechanism for measuring out flour and other dry ingredients, a knife sharpener, and a breadboard.
Date: April 16, 1912
Creator: P'Pool, Frank E.
Object Type: Patent
System: The Portal to Texas History
Aerodrome (open access)

Aerodrome

Patent for an aerodrome. Illustrations included.
Date: April 16, 1912
Creator: Helm, Amos J.
Object Type: Patent
System: The Portal to Texas History
Ash-Pan (open access)

Ash-Pan

Patent for an ash pan for trains. Illustrations included.
Date: May 16, 1911
Creator: Spratley, George
Object Type: Patent
System: The Portal to Texas History
Crate or Box Forming Machine (open access)

Crate or Box Forming Machine

Patent for a crate or box forming machine. Illustrations included.
Date: May 16, 1911
Creator: Nitschmann, Eduard
Object Type: Patent
System: The Portal to Texas History
Combination Hoe and Plow (open access)

Combination Hoe and Plow

Patent for a tool that can be used as either a hoe or a plow. Illustrations included.
Date: July 16, 1912
Creator: Willis, William B.
Object Type: Patent
System: The Portal to Texas History
Animal-Trap (open access)

Animal-Trap

Patent for an animal trap. Illustrations included.
Date: May 16, 1911
Creator: Morris, Leopold
Object Type: Patent
System: The Portal to Texas History
Churn. (open access)

Churn.

Patent for a novel churn "whereby the dasher or agitator carried by staff or stem within the churn body will be simultaneously rotated and reciprocated...and the reciprocation will effectively agitate the contents of the churn for churning the same" (lines 14-21), with illustrations.
Date: February 16, 1915
Creator: Logan, William L.
Object Type: Patent
System: The Portal to Texas History
Combined Writing-Desk and File-Cabinet. (open access)

Combined Writing-Desk and File-Cabinet.

Patent for a writing desk with combined filing cabinet designed for routine clerical and writing tasks. The desk has the added benefit of maximizing file space in both the front and back of the desk while permitting the user to remain seated in order to access files.
Date: February 16, 1915
Creator: Cooper, Samuel W.
Object Type: Patent
System: The Portal to Texas History
Building Block (open access)

Building Block

Patent for improvements in building blocks, so they would be stronger, but lighter in weight, and cheaper to transport.
Date: May 16, 1916
Creator: Boehm, Edward.
Object Type: Patent
System: The Portal to Texas History
Automatic Air-Brake Applier. (open access)

Automatic Air-Brake Applier.

Patent for automatic air brake applier to release the air in the train pipe with a resultant application of the brakes upon a car wheel leaving the tracks, including illustration.
Date: December 16, 1913
Creator: Hall, Charles E.
Object Type: Patent
System: The Portal to Texas History
Adding-Machine (open access)

Adding-Machine

Patent for adding machine that has improvements such as a controllable disk to avoid over or under rotation and simpler means of adding and removing adding disks.
Date: February 16, 1915
Creator: Sweet, William F. & Tideman, S.
Object Type: Patent
System: The Portal to Texas History
Air-Compressing Apparatus. (open access)

Air-Compressing Apparatus.

Patent for a new air compressing apparatus which employs two kinds of tanks called high pressure containers and low pressure containers charged by means of an air compressing engine.
Date: March 16, 1915
Creator: Gebhardt, William Charles
Object Type: Patent
System: The Portal to Texas History
Carpenter's Square. (open access)

Carpenter's Square.

Patent for a carpenter's square that uses an improved attachment "for laying off bevels at various angles" (lines 15-16).
Date: June 16, 1914
Creator: Buckland, Charles O.
Object Type: Patent
System: The Portal to Texas History
Air-Pump. (open access)

Air-Pump.

Patent for an air pump improvement that simpler and cheaper to produce. It also provides a description of "the combination and arragement of parts" (lines 14-15), including illustrations.
Date: May 16, 1916
Creator: Runge, Friedrich Albert
Object Type: Patent
System: The Portal to Texas History
Attachment for Cultivators (open access)

Attachment for Cultivators

Patent for an improvement in attachments for cultivators, including illustrations.
Date: June 16, 1914
Creator: Leischner, Gotthilf
Object Type: Patent
System: The Portal to Texas History
Crutch. (open access)

Crutch.

Patent for crutches with adjustable pneumatic cushioned arm rests, adjustable length, absorbent hand grip, and a detachable vertical leg rest.
Date: May 16, 1916
Creator: Gregson, William
Object Type: Patent
System: The Portal to Texas History
Automatic Fire-Alarm System. (open access)

Automatic Fire-Alarm System.

Patent for an automatic fire alarm system with a simple arrangement of alarm devices (positioned throughout different rooms) with sound or visual indicators for fire awareness and closer thermal circuits (assisted with spring contact and circuit closer). The automatic fire alarm system will have a more immediate reaction by making an alert noise or visual and propping open the spring contact.
Date: March 16, 1915
Creator: Ammons, John Burck; Ammons, Evander & McGaffey, Otis
Object Type: Patent
System: The Portal to Texas History
DOOR-HANGER. (open access)

DOOR-HANGER.

Patent for improvements to the door hanger, specifically aimed at car doors, including illustrations.
Date: June 16, 1914
Creator: Mason, Charles O.
Object Type: Patent
System: The Portal to Texas History
Broom or Brush (open access)

Broom or Brush

Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date: March 16, 1915
Creator: Airhart, Noah S.
Object Type: Patent
System: The Portal to Texas History
Combined Generator and Burner (open access)

Combined Generator and Burner

Letter from S. A. Christian to the United States Patent Office to propose an invention of new and useful improvements in combine generators and burners. This is to use with lighter hydro-carbons and adapted for services in stoves or any heat burner. The diagram showed the details of the blueprint of the device.
Date: May 16, 1913
Creator: S.A Christian
Object Type: Patent
System: The Portal to Texas History
Adjustable Lamp-Shade. (open access)

Adjustable Lamp-Shade.

Patent for a simplified, detachable, and adjustable lamp shade that is "more practical and efficient without increasing the cost of manufacture" (lines 27-29), including illustrations.
Date: May 16, 1916
Creator: Landers, Charles G.
Object Type: Patent
System: The Portal to Texas History