Resource Type

Degree Department

Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "consists in the construction and novel arrangement of the rack-bars seated in ways recessed in the sides of the draw-head, toothed segments engaging therewith, a shaft carrying said toothed segments, and also bearing within the cavity of the draw-head a vibratory arm and a setting-lever, from which the coupling-pin is suspended, connected to said vibratory arm" (lines 24-32).
Date: August 16, 1881
Creator: Stephens, Lawrence Earnest. & Pool, George Washington.
System: The Portal to Texas History
Apparatus for Operating Churns, &c. (open access)

Apparatus for Operating Churns, &c.

Patent for an apparatus for operating churns, ice cream freezers, or the like, and is meant "to produce an apparatus in which there is simultaneously given to the vessel a revolving motion and a revolving or vibrating motion to the agitator working in the vessel" (lines 14-18).
Date: April 16, 1895
Creator: Crawford, William H.
System: The Portal to Texas History
Car-Coupling. (open access)

Car-Coupling.

Patent for a car-coupling meant to "provide in an automatic car-coupling improved means for holding and guiding the link into the draw-head" (lines 9-12).
Date: July 16, 1895
Creator: Rowell, John R.
System: The Portal to Texas History
Bootjack. (open access)

Bootjack.

Patent for a new and improved boot-jack. This design is for an addition to existing boot-jacks that allows for wet or tight boots to be removed completely after the heel of the foot is loosened, all without the use of hands. This additional apparatus can be adjusted to different angles by way of eye-holes and screws.
Date: June 16, 1896
Creator: Ulferts, Ulfert Harms
System: The Portal to Texas History
Bolt-Cutter. (open access)

Bolt-Cutter.

Patent for a bolt cutter made up of "a stationary cutter and two movable cutters operated by levers adapted to come in contact with the edge of the stationary cutter, with plates and bolts for securing the same together in proper position" (lines 12-16). The purpose of the invention is to cut the useless ends off bolts.
Date: June 16, 1896
Creator: Hagelstein, Christ
System: The Portal to Texas History
Churn. (open access)

Churn.

Patent for a simple and efficient churn where "the process of churning is rendered easier, the resultant product firmer, and butter obtained in a shorter space of time than heretofore, while at the same time the milk is left in better condition and rendered free from water" (lines 12-17).
Date: June 16, 1896
Creator: Holt, Henry Lee
System: The Portal to Texas History
Bridge. (open access)

Bridge.

Patent for "a simplified and cheapened construction of bridge whereby the weight and strain will be more equally divided and the braces so arranged that expansion and contraction laterally are avoided, while permitting of the necessary expansion and contraction longitudinally of the bridge." (Lines 13-20) Includes instructions and illustrations.
Date: June 16, 1896
Creator: Mitchell, Hirtie F.
System: The Portal to Texas History
Churn. (open access)

Churn.

Patent for a churn. The patent is for a "means for adjustably securing a series of vertically-arranged breakers in a churn-body of any size, operating with a revolving dasher" (lines 8-11).
Date: June 16, 1896
Creator: Haley, William L.
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.
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.
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.
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.
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.
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
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.
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
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
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
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.
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.
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
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.
System: The Portal to Texas History
Corn and Cotton Stalk Cutter (open access)

Corn and Cotton Stalk Cutter

Patent for a stalk cutting machine adapted for cutting corn and cotton stalks after the stalks have been stripped
Date: February 16, 1915
Creator: Pair, Robert, B.
System: The Portal to Texas History
Finger-Shield. (open access)

Finger-Shield.

Patent for a new finger protection device which may be utilized in needlework.
Date: November 16, 1915
Creator: Morris, Homer B.
System: The Portal to Texas History