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12 Matching Results
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Adjustable Split Lock-Nut or Union.
Patent for an affordable and efficient coupling device for use "on valve rods of internal combustion engines, especially those used in automobiles and aeroplanes or on those motors or engines employing overhead valves and whereby the union or coupling may be readily and securely locked on a valve rod with sufficient resistance to withstand the strain of direct pressure" (lines 14-21).
Date:
August 17, 1920
Creator:
Dickinson, Harry E.
System:
The Portal to Texas History
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.
System:
The Portal to Texas History
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.
System:
The Portal to Texas History
Attachment for T-Stands
Patent for improvement of T stands, which includes a vertical rod that makes attachment and removal easier.
Date:
August 2, 1921
Creator:
Adamson, John Selden
System:
The Portal to Texas History
Pressure-Screw.
Patent for a pressure screw where the screw can freely rotate, and the shoe may pivot slightly. It is also designed for easy maintenance and lubrication of the bearing and to be cheap to manufacture, efficient and durable.
Date:
August 16, 1921
Creator:
Menger, Edward W.
System:
The Portal to Texas History
Transmission-Gear
Patent for improvements in motor vehicle transmissions in which all gears mesh at one time as opposed to being shifted and are "obtained by clutching different selected drive gears to the drive shaft of the transmission." (lines 18-20)
Date:
August 3, 1920
Creator:
Downie, James H.
System:
The Portal to Texas History
Steering-Adjuster for Automobiles.
Patent for an automatic adjuster for the steering gear of a Ford automobile, for "attachment to the steering knuckle arms and the front radius yoke" (lines 12-13), improving wheel alignment and tension and reducing "wabbling movement" (line 46).
Date:
August 10, 1920
Creator:
Moulder, Duncan
System:
The Portal to Texas History
Electrical Testing Device.
Patent for new and useful improvements in electrical testing devices. The invention provides references to innovative changes that allow for improved high-tension coil and armature testing.
Date:
August 17, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Electrical Testing Device
Patent for a device to test electrical circuits for faults which is cheaper to manufacture, easier to use, smaller and more durable.
Date:
August 17, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for improving vehicular tires by making them more durable for heavier vehicular use.
Date:
August 30, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Filing Cabinet
Patent for filing cabinet designed to accommodate blue prints and large papers.
Date:
August 30, 1921
Creator:
Southwell, Charles R.
System:
The Portal to Texas History
Roller-Distributor.
Patent for the invention of a roller distributor, or roller cam, that can "provide novel means whereby friction will be reduced" (lines 12-13) through the use of "a novel spring means being employed" (lines 13-14) in certain affordable, widely used vehicles.
Date:
August 17, 1920
Creator:
Lopez, Bruno
System:
The Portal to Texas History