11,422 Matching Results

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Car-Coupling (open access)

Car-Coupling

Patent for "a car-coupler which will be automatic in its operation in coupling the cars as they come together on the track, and at the same time to provide a positive uncoupling device which may be operated on any part of any of the cars, as well as by an engineer, when it is desired to uncouple the cars or a car from the engine" (lines 14-21).
Date: October 30, 1888
Creator: Carolan, Eugene P. & Lee, Patrick H.
Object Type: Patent
System: The Portal to Texas History
Car-Coupling. (open access)

Car-Coupling.

Patent for an improved, simple, and effective car coupling that couples automatically and without anyone having to go between the cars. It consists of a drawhead with a slot on one side, upper and lower slides in the drawhead, a coupling pin that sits in the upper slide, a lever that is connected to the slide, a spring that holds the lower slide in place, and a bolt that connects the lever with the upper slide.
Date: May 30, 1893
Creator: Cundiff, Middleton
Object Type: Patent
System: The Portal to Texas History
Car-Coupling. (open access)

Car-Coupling.

Patent for a car coupling that is simple and can be inexpensively manufactured. The invention's object is "to provide a link controlling device to be used in coupling cars together where the cars have draw-heads of the same or different heights which will render it unnecessary for a person to go between the cars during the operation" (lines 11-16).
Date: January 30, 1894
Creator: Smart, John W.
Object Type: Patent
System: The Portal to Texas History
Attachment for Tractors. (open access)

Attachment for Tractors.

Patent for attachments in tractors. "This invention relates to tractors and has for its object the provision of means where by when the front axle and wheels of the tractor rise caused by rearing of the tractor, the clutch will be automatically disconnected and remain so until the front wheels of the tractor descend again into engagement with the ground. An important and more specific object is the provision in a tractor of a front axle formed n sections pivotally connected, one section being connected by suitable means with the clutch mechanism and the wheels serving as weights whereby when the tractor rears back and the front wheels leave the ground the axle sections will move relatively and exert a pull upon the means connected with the clutch whereby the clutch will be thrown out."
Date: August 30, 1921
Creator: Cholick, Joseph John
Object Type: Patent
System: The Portal to Texas History
Door-Hook. (open access)

Door-Hook.

Patent for a low-cost door hook designed for securing screen doors in a closed position which may be operated from either side of the door.
Date: August 30, 1921
Creator: Randazzo, Lillian
Object Type: Patent
System: The Portal to Texas History
Dirigible Headlight (open access)

Dirigible Headlight

Patent for improving headlights for automobiles and other vehicles. Improvements include simpler, yet effective, connectivity between the head lamps and the steering mechanism.
Date: August 30, 1921
Creator: Davis, Robert E.
Object Type: Patent
System: The Portal to Texas History
Churn-Dasher. (open access)

Churn-Dasher.

Patent for a new and useful churn dasher, including instructions and illustrations.
Date: August 30, 1898
Creator: West, Edward B.
Object Type: Patent
System: The Portal to Texas History
Combined Corn and Cotton Planter. (open access)

Combined Corn and Cotton Planter.

Patent for a new and improved planter. This design "relates to the construction of a planter so arranged that by simply shifting the connection between the corn-slide and the crank-arm of an agitator the device may be adjusted to act as a planter of corn or cotton, but a single connecting-rod being employed in connection with a single driving crank-shaft to operate the planter both as a cotton and a corn planter" (lines 8-16).
Date: November 30, 1886
Creator: Walker, William
Object Type: Patent
System: The Portal to Texas History
Artificial Intelligence and Copyright (open access)

Artificial Intelligence and Copyright

This report describes how the United States Copyright Office is undertaking a study of the copyright law and policy issues raised by artificial intelligence systems.
Date: August 30, 2023
Creator: Wilson, Suzanne V. & Strong, Maria
Object Type: Report
System: The UNT Digital Library
Circular Railroad or Round About. (open access)

Circular Railroad or Round About.

Patent for novel improvements on circular railroads, and also to means for propelling a turn-table on which the carriages are secured.
Date: August 22, 1882
Creator: Sturm, William
Object Type: Patent
System: The Portal to Texas History
Churn Power. (open access)

Churn Power.

Patent for a new and improved churn-power. This design is "to provide a spring-power and suitable gearing for operating the dasher, with a view of rendering the same in a high degree effective, convenient, and especially adapted to the requirements of service; [and], to afford facilities for the proper adjustment of the device to the different sizes of churns, and to provide for the quick and convenient detaching of the churn from the driving mechanism" (lines 12-21).
Date: September 30, 1884
Creator: Lawrence, Joseph A.
Object Type: Patent
System: The Portal to Texas History
Valve Structure (open access)

Valve Structure

Patent for valve improvements in controlling the flow of fluids under high pressure.
Date: August 30, 1921
Creator: Anderson, Jalmer
Object Type: Patent
System: The Portal to Texas History
Wire-Stretcher. (open access)

Wire-Stretcher.

Patent for a wire stretching device employed in fence construction. This device temporarily holds and stretches the wire between fence posts, while being secured. Through the operating lever and gripping jaw, the operator can effectively stretch the wire with minimal effort, while safeguarding against slipping.
Date: August 30, 1921
Creator: Greer, Benjamin J.
Object Type: Patent
System: The Portal to Texas History
Rotary Plowshare (open access)

Rotary Plowshare

Patent for rotary plowshare that allows for improvements in plows. This detachable element rotates as it moves within the earth, pulverizing and disintegrating it while doing so. This rotary plowshare will accelerate cultivation and provide cost savings in time and labor.
Date: August 30, 1921
Creator: Billingsley, Rennie E.
Object Type: Patent
System: The Portal to Texas History
Vehicle-Wheel. (open access)

Vehicle-Wheel.

Patent for a spring cushioned tire. The springs are positioned between the wheel ferry and the tread.
Date: August 30, 1921
Creator: Allan, William N.
Object Type: Patent
System: The Portal to Texas History
Train-Line Valve. (open access)

Train-Line Valve.

Patent for "a cut out cock for pneumatic air brake systems." This invention allows the brake lines to be bled so that all brakes may be applied simultaneously.
Date: August 30, 1921
Creator: Weaver, Charles H.
Object Type: Patent
System: The Portal to Texas History
Process of Preserving Wood (open access)

Process of Preserving Wood

Patent for the Process of Preserving Wood, particularly to means for treating railway ties to prevent the fungi of decay.
Date: August 30, 1921
Creator: Moore Stuart .B
Object Type: Patent
System: The Portal to Texas History
Peanut-Digger. (open access)

Peanut-Digger.

Patent for machine that extracts peanuts while avoiding losing nitrogen from the root in the process. Machine severs plants from the roots and raises the whole plant in order to release loose dirt, then gathers the. plants using a rake-like mechanism.
Date: August 30, 1921
Creator: Smith, Morman J. & Browder, Benjamin F.
Object Type: Patent
System: The Portal to Texas History
Crate. (open access)

Crate.

Patent for a crate for eggs which allows the eggs to be suspended in individual compartments for shipping. The crate will be lined with flexible material that will cushion the egg absorbing shock, including illustrations.
Date: May 30, 1916
Creator: Smith, Nora S.
Object Type: Patent
System: The Portal to Texas History
Method and Plant for Storing and Averaging Materials. (open access)

Method and Plant for Storing and Averaging Materials.

Patent for improved storing and retrieval of mining materials through the use of new mechanisms, procedures, and building structures.
Date: August 30, 1921
Creator: Cole, David & Bergman, Julius
Object Type: Patent
System: The Portal to Texas History
Nail-Staple for Barbed Wire. (open access)

Nail-Staple for Barbed Wire.

Patent for a tool meant to assist with attaching fence wire to posts. The nail-staple supports the wire during application to the post, which allows it to be done by a single person, saving time and labor.
Date: August 30, 1921
Creator: Washington, George
Object Type: Patent
System: The Portal to Texas History
Crude Oil Burner (open access)

Crude Oil Burner

Patent for crude oil burner allowing for the utilization of "crude petroleum and other similar oils" (line 13) for fuel.
Date: July 30, 1918
Creator: Worley, Ernest T.
Object Type: Patent
System: The Portal to Texas History