Slime Separator and Classifier (open access)

Slime Separator and Classifier

Patent for a pulp separator and classifying apparatus. Illustrations included.
Date: February 15, 1910
Creator: Allen, Charles
Object Type: Patent
System: The Portal to Texas History
Sleeping-Car (open access)

Sleeping-Car

Patent for a railroad sleeping car with an improved mechanism for folding the seats into beds.
Date: February 7, 1911
Creator: Anson, Warren J.
Object Type: Patent
System: The Portal to Texas History
Filter. (open access)

Filter.

Patent for a new and improved filter. This design is for "[a] filter consisting of sections secured together at their meeting edges by a lapped joint, the upper edge of [a] section being fitted wholly within [another] section and forming a shoulder for the support of a screen-plate, and the body of filtering material above, a shoulder on [a] section below [the] shoulder, and screen plates resting on and held to the shoulders by the weight of the body of filtering material, whereby, when the filter-sections are inverted, the [other] shoulder serves to support [the] screen and the filtering material above" (lines 45-56).
Date: February 15, 1887
Creator: Begemann, Charles Fredrich William
Object Type: Patent
System: The Portal to Texas History
Air Heating and Regulating Means for Internal Combustion Engines (open access)

Air Heating and Regulating Means for Internal Combustion Engines

Patent for a type of air heater designed to be attached to an internal combustion engine for the purposes of regulating heat.
Date: February 18, 1919
Creator: Brooks, Howard
Object Type: Patent
System: The Portal to Texas History
Differential (open access)

Differential

Patent for improvements in motor vehicle differentials by connecting axle sections to a worm gear.
Date: February 11, 1919
Creator: Brown, Charles Henry
Object Type: Patent
System: The Portal to Texas History
Implement for Cutting and Handling Prickly-Pear (open access)

Implement for Cutting and Handling Prickly-Pear

Patent for an implement for cutting and handling prickly pear for use in clearing land.
Date: February 11, 1913
Creator: Brown, Royal H.
Object Type: Patent
System: The Portal to Texas History
Water-Elevator. (open access)

Water-Elevator.

Patent for a water-elevator that elevates huge amounts of water for ranches and irrigating. The elevator "can be easily operated by the direct pull of a single animal, which passes and repasses the well during the operation of raising and lowering the well bucket, and by this means contemplates dispersing with the necessity of winding drums or windlasses and horse powers, which are usually employed in connection with water elevators" (lines 16-23).
Date: February 13, 1894
Creator: Campbell, George William
Object Type: Patent
System: The Portal to Texas History
Nut-Lock. (open access)

Nut-Lock.

Patent for a nut lock, with which a nut can be locked on a threaded bolt or stud to prevent moving the bolt or stud. It can also be detached without damaging the the nut, bolt, or thread.
Date: February 12, 1918
Creator: Capron, George F.
Object Type: Patent
System: The Portal to Texas History
Combined Street-Car and Air-Brake Coupling (open access)

Combined Street-Car and Air-Brake Coupling

Patent for a combined street-car and air-brake coupling.
Date: February 10, 1903
Creator: Cary, Lewis C.
Object Type: Patent
System: The Portal to Texas History
Electromagnetic Ore-Separator. (open access)

Electromagnetic Ore-Separator.

Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date: February 16, 1909
Creator: Charlton, Thomas
Object Type: Patent
System: The Portal to Texas History
Wind-Motor (open access)

Wind-Motor

Patent for a powerful motor for wind mills.
Date: February 18, 1919
Creator: Connolly, James H.
Object Type: Patent
System: The Portal to Texas History
Lock-Nut. (open access)

Lock-Nut.

Patent for a lock-nut which prevents the nut from accidentally rotating on the bolt, including illustrations. The nut is locked in position when a locking key is introduced to grooves on the lower surface of the nut and the adjacent face of the washer.
Date: February 13, 1906
Creator: Crawford, Hezekiah H.
Object Type: Patent
System: The Portal to Texas History
Metallic Roof. (open access)

Metallic Roof.

Patent for a metallic roof in which section edges are secured so that they do not become disconnected, intentional bracing prevents sagging, and securing the roof does not require the use of nails, which prevents leaks.
Date: February 21, 1922
Creator: Crawford, Hezekiah H.
Object Type: Patent
System: The Portal to Texas History
Flying Machine (open access)

Flying Machine

Patent for a new type of flying machine.
Date: February 18, 1919
Creator: Critchett, J. C.
Object Type: Patent
System: The Portal to Texas History
Fishing-Reel. (open access)

Fishing-Reel.

Patent for a new and improved fishing reel that allows an angler to control the tension of the line when unwinding.
Date: February 6, 1906
Creator: Dickson, Frederick Lindsay
Object Type: Patent
System: The Portal to Texas History
El Paso County Community College District Annual Financial Report: 2011 (open access)

El Paso County Community College District Annual Financial Report: 2011

Annual financial report of the El Paso County Community College District for fiscal year 2011 providing statements of assets, revenues, expenses, taxes, and other relevant data.
Date: February 16, 2012
Creator: El Paso County Community College District. Financial and Information Services.
Object Type: Report
System: The Portal to Texas History
El Paso County Community College District Annual Financial Report: 2012 (open access)

El Paso County Community College District Annual Financial Report: 2012

Annual financial report of the El Paso County Community College District for fiscal year 2012 providing statements of assets, revenues, expenses, taxes, and other relevant data.
Date: February 25, 2013
Creator: El Paso County Community College District. Financial and Information Services.
Object Type: Report
System: The Portal to Texas History
Shaft Coupling (open access)

Shaft Coupling

Patent for a shaft coupling. This invention is designed to connect shafts by interlocking to parts that slide lengthwise thereby clamping them together. Illustration included.
Date: February 5, 1907
Creator: Frank, Henry M.
Object Type: Patent
System: The Portal to Texas History
Split Pulley. (open access)

Split Pulley.

Patent for split pulleys with interlocking parts that can be attached together without pulling the parts longitudinally.
Date: February 5, 1907
Creator: Frank, Henry M.
Object Type: Patent
System: The Portal to Texas History
Gas-Producer (open access)

Gas-Producer

Patent for improvements in the apparatus for making producer gas to provide a safer and more effective gas storage unit.
Date: February 14, 1910
Creator: Hirt, Jules H.
Object Type: Patent
System: The Portal to Texas History
Sawdust-Burning Furnace (open access)

Sawdust-Burning Furnace

Patent for a sawdust burning furnace in which wet sawdust can be rapidly burned.
Date: February 10, 1914
Creator: Hirt, Jules Hector
Object Type: Patent
System: The Portal to Texas History
Bridle-Rod for Railroad Rails (open access)

Bridle-Rod for Railroad Rails

Patent for a system of attaching railroad rails when the rails are first placed. This device is used to keep the rails a precise distance apart before the railroad spikes are placed into the ground holding the rails firmly in place.
Date: February 10, 1903
Creator: Johnson, John
Object Type: Patent
System: The Portal to Texas History
Aparejo (open access)

Aparejo

Patent for more efficient and durable pack-saddle (aparejo) used by United States Army. Casing involves hollow boot-sticks and rubber-encased steel, with better fitting to prevent fatigue of animal.
Date: February 11, 1902
Creator: Keller, John & Titsworth, Richard
Object Type: Patent
System: The Portal to Texas History
Railroad-Tie (open access)

Railroad-Tie

Patent for a railroad tie which is one piece and drains water away from the rails and holds the rails firmly in the rail-bed.
Date: February 8, 1910
Creator: Levinson, Herman Moses
Object Type: Patent
System: The Portal to Texas History