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43 Matching Results
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Key-Ring Clip.
Patent for new improvements for key ring clips that will not detach in a seated position.
Date:
July 6, 1920
Creator:
Evans, William
System:
The Portal to Texas History
Windmill.
Patent for a windmill for "connecting or mounting a pump rod and a pitman for transmitting movement from the crank shaft carrying the wheel" (lines 14-16) in a balanced way that will reduce wear and tear. Additionally, other elements attached to the supporting structure will "compensate for the the uneven action due to the variable pull on the pitman and pump rod." (lines 31-33).
Date:
December 6, 1921
Creator:
Winslett, William Henry
System:
The Portal to Texas History
Wire-Fence Shield.
Patent for a tool to cover a portion of barbed wire fence allowing one to cross over or through without harm, composed of three or more telescoping metal tubes.
Date:
April 6, 1920
Creator:
Davis, Marion L.
System:
The Portal to Texas History
Well-Cleaner.
Patent for improvements for cleaning oil, water, and gas wells that goes into the well and flushes out a clogged screen.
Date:
August 6, 1920
Creator:
Bashara, Samuel F.
System:
The Portal to Texas History
Vending-Machine.
Patent for improvements in the construction of coin-operated vending machines which automatically lock when coins are not inserted. This device is designed to dispense objects of many shapes and sizes. Illustrations included.
Date:
January 6, 1920
Creator:
Ogden, Carlton N.
System:
The Portal to Texas History
Hydrocarbon-Burner
Patent for an improved hydrocarbon burner, including illustrations.
Date:
April 6, 1920
Creator:
Critchett, James C.
System:
The Portal to Texas History
Plow-Attachment.
Patent for a turning plow attachment which prepares the soil to receive seed, whereby reducing labor.
Date:
March 6, 1920
Creator:
Miller, James Archie
System:
The Portal to Texas History
Plow.
Patent for a plow that improves the type of plow employing "a moldboard and plowpoint or share bolted to a standard" (lines 9-11), with illustrations. This patent improves upon previous patents numbered 974,675 and 974,676 issued to the same inventor on November 1, 1910.
Date:
January 6, 1920
Creator:
Kelly, Robert Marvin
System:
The Portal to Texas History
Pump.
Patent for a pump for deep wells with a "specially constructed piston capable of a powerful working stroke and which will secure at all times a full volume of liquid at each stroke of the pumping rod." (line 25) including instructions and illustrations.
Date:
July 6, 1920
Creator:
Humason, Granville Allison
System:
The Portal to Texas History
Packing-Gasket
Patent for a packing gasket comprising a soft metal sleeve formed to a non-leaking joint between connected pipes.
Date:
November 6, 1920
Creator:
Allison, Jesse H.
System:
The Portal to Texas History
Spring-Wheel
Patent for a spring wheel. Gebhardt describes the wheel as "an improvement... to provide resilient spokes which are connected to the hub and felly of the wheel in a manner to take up vibration and shocks imparted to the wheel in traveling or passing over obstructions and rough roads (p. 1, lines 8-15)." The patent also adds provisions for easy removal of spokes and a sectional felly and hub.
Date:
April 6, 1920
Creator:
Gebhardt, W.
System:
The Portal to Texas History
Sweet Potato Curing House
Patent for useful improvements in sweet potato curing houses. The designs provides for a heated and ventilated structure to prevent the rotting of the sweet potatos.
Date:
January 6, 1920
Creator:
Woods, Edgar Miles
System:
The Portal to Texas History
Resilient Hub for Wheels.
Patent for an improved version of the Resilient Hub for Wheels, including illustrations. This design is more practical and efficient, as it eliminates the need for a pneumatic tire; rubber can be utilized instead.
Date:
September 6, 1921
Creator:
Wright, Thomas M.
System:
The Portal to Texas History
Switch.
Patent for an electric switch that is used in conjunction with a signaling device that allows for lights to be activated synchronously or asynchronously via the use of two levers.
Date:
September 6, 1921
Creator:
Riggs, Fletcher S.
System:
The Portal to Texas History
Sanitary Fly Catcher and Trap.
Patent for improvements in traps to bait flies and trap them.
Date:
July 6, 1920
Creator:
Harris, Raymond J.
System:
The Portal to Texas History
Fiber-Cleaning Device.
Patent for a fiber cleaning device, which removes "the outer fleshy or non-fibrous tissues covering the fibers" (lines 19-21) for varieties of fleshy plants.
Date:
April 6, 1920
Creator:
Quijano, Ramon
System:
The Portal to Texas History
Fiber Extracting Machine
Patent for "new and improved Fiber-Extracting Machine." (6-7). These improvements are specific to equipment used to separate fibers from vegetable and plant matter. The primary function of this equipment is to extract fiber from the agave plant.
Date:
September 6, 1921
Creator:
Lambert, William O.
System:
The Portal to Texas History
Fire-Extinguishing Device.
Patent for fire extinguishing devices to "supplying steam to the fluid so that oxygen sufficient to support combustion will not reach the flame" (lines 14-16).
Date:
July 6, 1920
Creator:
Byrd, Williman Harvey
System:
The Portal to Texas History
Nut Locking Device.
Patent for a new and improved nut-locking device to securely lock fish plates to rail ends.
Date:
April 6, 1920
Creator:
Hales, Wiley J.
System:
The Portal to Texas History
Means for Detachably Securing Chairs to Floors.
Patent for a new device that secures chairs to the floor and is easily detachable so the chairs can be moved when necessary.
Date:
April 6, 1920
Creator:
Lambert, Joseph A.
System:
The Portal to Texas History
Electric Light Switch.
Patent for an improved electric switch that is used to energize electric lights for various purposes and for use in connection with a signaling system. This switch will permit the energization of any one of the lights separately or all lights simultaneously.
Date:
April 6, 1920
Creator:
Riggs, Fletcher S.
System:
The Portal to Texas History
Road Building Machine
Patent for a road building machine comprised of multiple mechanisms including a blast furnace, mixing chambers, and chemical tanks.
Date:
December 6, 1921
Creator:
Austin, Stephen F.
System:
The Portal to Texas History
Waiterless Restaurant
Patent for a waiterless restaurant design with electrically operated waiters.
Date:
September 6, 1921
Creator:
Paul, Charles P.
System:
The Portal to Texas History
Dispensing-Vehicle.
Patent for a "portable store or dispensing vehicle" (lines 11-12) designed to carry a small stock of merchandise that can be conveniently displayed & sold to customers, quickly turned to ensure freshness, and refrigerated if necessary. The vehicle is intended to support quick relocation through its portability, save time for both dispenser and customer alike, and be either draft animal- or motor-driven, illustrations included.
Date:
January 6, 1920
Creator:
Moody, Jason B.
System:
The Portal to Texas History