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Book-Holding Device
Patent for a book-holding device that will keep books open by holding back turned pages, with illustrations.
Date:
April 20, 1920
Creator:
Barry, David Redmond
Object Type:
Patent
System:
The Portal to Texas History
Oil-Burner.
Patent for oil burner adapted for using heavy oil (with wide flat flame) for distribution (wide flat flame with adjustable burner tip).
Date:
April 26, 1921
Creator:
Chadbourne, Vaughn, R.
Object Type:
Patent
System:
The Portal to Texas History
Improvements in Processes of Distillation and Apparatus Therefor
Patent for improvements in processes of distillation and apparatus therefor in petroleum refineries.
Date:
April 30, 1918
Creator:
Prichard, George L.
Object Type:
Patent
System:
The Portal to Texas History
Stump-Puller.
Patent for an improved design for a stump-puller, using a hoisting derrick and lever to attach to the stump and pull it from the ground.
Date:
April 23, 1918
Creator:
Weese, Frank
Object Type:
Patent
System:
The Portal to Texas History
Electrical Apparatus for Heating Stills, Boilers, and the Like.
Patent for "Improvements in Electrical Apparatus for Heating Stills, Boilers, and the like" (lines 6-8) that uses electricity and includes "a heating element which is not affected by repeated changes in temperature, which is adapted to present a heating surface of large area, which may be raised to a high temperature with a low current, and which is many times more economical in use than metal coils possessing less heat radiating powers" (lines 21-28) including illustrations.
Date:
April 9, 1918
Creator:
Lorenz, Charles O.
Object Type:
Patent
System:
The Portal to Texas History
Demountable Rim.
Patent for improved demountable rims for automobiles that are easy to mount and detach as well as cheaper and easier to manufacture.
Date:
April 27, 1920
Creator:
McPherson, Arthur Edison
Object Type:
Patent
System:
The Portal to Texas History
Clothes-Drier
Patent for a clothes drier that is constructed to surround a stove or heater.
Date:
April 18, 1916
Creator:
Gallsworthy, Benjamin
Object Type:
Patent
System:
The Portal to Texas History
Water Craft.
Patent for a "bathing float equipped with propelling means" (lines 10-11) and a "depressible platform combined with ... a diving rudder" to allow the front part of the craft to dive underneath the water (lines 13-15).
Date:
April 27, 1915
Creator:
Caldwell, John C.
Object Type:
Patent
System:
The Portal to Texas History
Firearm
Patent for an improved firearm. This firearm that can transform from a rifle to a shotgun using separate barrels but the same stock mechanism.
Date:
April 25, 1916
Creator:
Burnaman, Joseph H.
Object Type:
Patent
System:
The Portal to Texas History
Meter.
Patent for a meter measuring the flow of liquid with a dial indicating gallons per hour for use in vehicles with internal combustion engines.
Date:
April 21, 1914
Creator:
Carroll, William G.
Object Type:
Patent
System:
The Portal to Texas History
Door-Hanger.
Patent for a door hanger which supports heavy doors, in particular "barn doors, freight car doors, and the like."
Date:
April 29, 1913
Creator:
Caneavri, Joseph
Object Type:
Patent
System:
The Portal to Texas History
Combined Harrow and Roller
Patent for a combined harrow and roller for pulverizing and eliminating unwanted growth from the ground. Illustrations included.
Date:
April 9, 1912
Creator:
Younger, Walter E.
Object Type:
Patent
System:
The Portal to Texas History
Water-Heater.
Patent for a water heater for use in creating steam for oil and gas boilers, which heats faster than previous models.
Date:
April 5, 1910
Creator:
Hardie, Jeffie Watkins
Object Type:
Patent
System:
The Portal to Texas History
Tubular Tank Inspector And Gage
Patent for a tubular tank inspector and gage. This invention is designed for the measuring level of fluids in the tank. Illustration included.
Date:
April 2, 1907
Creator:
Gregson, William
Object Type:
Patent
System:
The Portal to Texas History
Trace-Fastener
Patent for a trace fastener for whippletrees. This is a device that "provide[s] a simple, efficient, reliable fastener which will when in use, at all times and under all circumstances, hold the trace in connection with the end of the whiffletree [sic] and which will prevent undue wear on the cockeye or hole in the end of the trace." (Lines 9-16)
Date:
April 2, 1901
Creator:
Nichols, Charlie M. & Burnett, Charles M.
Object Type:
Patent
System:
The Portal to Texas History
Process of Producing Briquets
Patent for a process of producing briquets.
Date:
April 5, 1904
Creator:
Davidson, John Milne
Object Type:
Patent
System:
The Portal to Texas History
Rail-Joint
Patent for a rail joint.
Date:
April 21, 1903
Creator:
Hauptmann, Alexis
Object Type:
Patent
System:
The Portal to Texas History
Shear-Sharpener.
Patent for an improved shear sharpener which has a "new and novel construction by which shears are quickly and properly sharpened, ... whereby a shear is held at the proper bevel while being moved over an oilstone or the like" (lines 12-16), including illustrations.
Date:
April 3, 1906
Creator:
Jeffrey, James C.
Object Type:
Patent
System:
The Portal to Texas History
Spring-Wheel
Patent for a wheel with a solid tire and elastic support. Illustrations included.
Date:
April 4, 1911
Creator:
Sharp, John
Object Type:
Patent
System:
The Portal to Texas History
Journal-Bearing
Patent for a self-lubricating journal bearing that is protected from foreign matter. Illustrations included.
Date:
April 13, 1909
Creator:
Lanaux, Alfred A.
Object Type:
Patent
System:
The Portal to Texas History
Pictorial Firmament Machine.
Patent for a hollow globe with a map of the stars and planets positions on one side that has lights on the inside of the globe to project the placement of the stars and planets on a ceiling.
Date:
April 4, 1911
Creator:
Jones, Oliver Pinkney
Object Type:
Patent
System:
The Portal to Texas History
Rail-Joint
Patent for a rail joint that locks securely and will not sag.
Date:
April 30, 1912
Creator:
White, John
Object Type:
Patent
System:
The Portal to Texas History
Non-Refillable Bottle.
Patent for a non-refillable bottle with a valve in the neck that opens to let the contents be poured out of the bottle but seals itself if liquid is poured back in the bottle.
Date:
April 25, 1911
Creator:
Sargent, William H.
Object Type:
Patent
System:
The Portal to Texas History
Oil Burner
Patent for an improvement on Oil Burners.
Date:
April 9, 1902
Creator:
Robertson, George
Object Type:
Patent
System:
The Portal to Texas History