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35 Matching Results
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35
Plow.
Patent for a plow with "structure of improved strength and durability wherein means are provided for changing or adjusting the angularity of the plow stock" (lines 10-13) to make it "capable of plowing the soil deeper or shallower, as desired" (lines 16-17).
Date:
October 22, 1918
Creator:
Warren, John T.
System:
The Portal to Texas History
Pressure-Regulator
Patent for a Pressure-Regulator, which is a device for "automatically regulating the pressure of steam, compressed air, or other gases while passing through a conduit" (lines 8-10).
Date:
October 24, 1905
Creator:
Moffett, James D.
System:
The Portal to Texas History
Pump.
Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date:
September 30, 1919
Creator:
Graf, Sydney H.
System:
The Portal to Texas History
Radius-Rod.
Patent for radius rod which will hold more effectively the front axle in alignment for steering purposes. This rod will not cause damage to the crank case, motor, or other connecting parts.
Date:
June 19, 1917
Creator:
Harpst, Frederick E.
System:
The Portal to Texas History
Relief Valve and System for Motor or Other Driven Pumps.
Patent for "a new and useful Relief Valve and System for Motor or other Driven Pumps" (lines 5-7) as well as illustrations.
Date:
July 7, 1914
Creator:
Johnson, George Walter
System:
The Portal to Texas History
Rotary Stock-Cutter.
Patent for an improved rotary stock cutters "adapted for use as matcher heads, ship lap heads, and ogee bats" (lines 11-12). It has two disks with several curved blades sticking out from each disk.
Date:
February 28, 1893
Creator:
Hardee, Isaiah
System:
The Portal to Texas History
Soda-Tank for Dipping Lumber
Patent for an apparatus which contains a tank of soda in which yellow pine lumber is dipped to prevent blue stain. Illustrations included.
Date:
December 12, 1911
Creator:
Trout, Walter Charles & Trout, William Henry
System:
The Portal to Texas History
Timber-Hook.
Patent for an improved timber hook that is capable of automatically adjusting itself "according to the various lengths of logs" (lines 18-19).
Date:
May 26, 1914
Creator:
Martin, Daniel W.
System:
The Portal to Texas History
Tractor.
Patent is for a new and improved tractor design. Improvements to gear and axle design that enable the tractor to make narrower turns and to make power run from the engine to the gears without interfering with the steering mechanism.
Date:
January 7, 1917
Creator:
Hudgens, George Thomas
System:
The Portal to Texas History
Vehicle
Patent for a vehicle used as a truck or bolster. Illustrations included.
Date:
April 5, 1910
Creator:
Martin, W. Daniel
System:
The Portal to Texas History
Washboard
Patent for washboard that "is made for automatically moving, step by step, a cake of soap inclosed in a housing" (lines 9-11) against the cloths being washed and is "operated by the pressure exerted through the rubbing action upon a rubbing board associated with the device" (lines 22-24).
Date:
December 5, 1916
Creator:
Durden, Perrey Milton
System:
The Portal to Texas History