15 Matching Results

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Air-Cleaning System (open access)

Air-Cleaning System

Patent for an air cleaning system to be used in homes. Illustrations included.
Date: April 20, 1909
Creator: Mayo, William C. & Houlehan, John
System: The Portal to Texas History
Boiler Stay Bolt (open access)

Boiler Stay Bolt

Patent for a boiler stay bolt. Illustration included.
Date: September 20, 1904
Creator: Peters, Joseph & Coleman, John
System: The Portal to Texas History
Bicycle. (open access)

Bicycle.

Patent for a bicycle that is safer than other bicycles. It has compensating gearing so that "the variations in leverage in the various positions assumed by the pedal crank are equalized" (lines 12-13).
Date: February 20, 1894
Creator: Lillibridge, Freeman
System: The Portal to Texas History
Continuous Vacuum Dehydrator. (open access)

Continuous Vacuum Dehydrator.

Patent for improvements in speed, cheapness, and more efficiency in continuous-vacuum dehydration and filtering for the purpose of extracting valuable ores with water including instructions and illustrations.
Date: August 20, 1918
Creator: Biesel, Charles
System: The Portal to Texas History
Valve and Valve-Seat. (open access)

Valve and Valve-Seat.

Patent for a valve and valve seat made of stainless steel for the purpose of preventing rusting and corrosion.
Date: September 20, 1921
Creator: Bevelle, Joseph C. & Smith, Joseph J.
System: The Portal to Texas History
Trailer. (open access)

Trailer.

Patent for improved construction and arrangement of trailers. This improvement will allow an easy turning movement where a number of trailers are connected while admitting of strain between the various trailers when they are turning a corner or going around a curve.
Date: August 20, 1918
Creator: Watkins, Leigh
System: The Portal to Texas History
Process of Treating Slag and Furnace Therefor. (open access)

Process of Treating Slag and Furnace Therefor.

Patent for a process of treating slag and furnace therefore. It has an improved method for separates melted metals produced during smelting and extracting the precious metals from slag. The richer matte and base-bullion run off separately and into separate taps.
Date: August 20, 1895
Creator: van Cleve, Charles M. & Rhodes, Robert D.
System: The Portal to Texas History
Floor cleaner. (open access)

Floor cleaner.

Patent for a floor cleaner that cleans better.
Date: June 20, 1916
Creator: Crawford, Hezikiah H.
System: The Portal to Texas History
Saw Gaging and Setting Tool. (open access)

Saw Gaging and Setting Tool.

Patent for saw gaging and setting tool designed to be a simple and efficient way to gage and set saws blades. The invention can also be used for truing saw teeth.
Date: January 20, 1920
Creator: Barger, Bernard J.
System: The Portal to Texas History
Railway-Switch (open access)

Railway-Switch

Patent for improvements in railway switches which are especially adapted for use on street railway tracks.
Date: January 20, 1914
Creator: Craig, Samuel A.
System: The Portal to Texas History
Slime Separator and Classifier. (open access)

Slime Separator and Classifier.

Patent for settler, separator, and classifier of different solid and liquid particles, includes illustrations.
Date: July 20, 1915
Creator: Allen, Charles
System: The Portal to Texas History
Fastening Device for Fence-Runners. (open access)

Fastening Device for Fence-Runners.

Patent for a fastening-device for fence-runners that is a staple and tie-wire in one. The device will not be drawn or displaced regardless of its placement in relationship to the runner.
Date: October 20, 1896
Creator: Logan, Paul H.
System: The Portal to Texas History
Extracting Metals from Ores (open access)

Extracting Metals from Ores

Patent for the extraction of metals from ores by developing an improvement to the cynid process.
Date: August 20, 1918
Creator: Biesel, C.
System: The Portal to Texas History
Safety Clamp For Starting Boxes. (open access)

Safety Clamp For Starting Boxes.

Patent for a safety clamp for locking the handles of starting boxes with slotting to receive a padlock.
Date: June 20, 1916
Creator: Henry, Ben B.
System: The Portal to Texas History
Electric Insact Trap. (open access)

Electric Insact Trap.

Patent for an electric insect trap that highly efficient trap for electrocuting house flies and similar insects, include illustrations.
Date: January 20, 1914
Creator: Craig, Samuel A.
System: The Portal to Texas History