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1,390 Matching Results
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1,369 - 1,390 of
1,390
Adding and Subtracting Machine
Patent for an improved adding and subtracting machine adapted to be attached to the end of a lead pencil. It is readily manufactured and simple in construction.
Date:
September 21, 1918
Creator:
Wittnebert, Duke.
System:
The Portal to Texas History
Feed-Cutter
Patent for a improvement for cutter.
Date:
September 11, 1906
Creator:
Wolf, Davis L.
System:
The Portal to Texas History
Propelling Device for Aerial Ships
Patent for a propelling device for aerial ships which operates by forcing air through a tube, creating suction and exerting propulsion. Illustrations included.
Date:
September 8, 1908
Creator:
Wolf, Davis Levi
System:
The Portal to Texas History
Artificial Leg.
Patent for a new and improved artificial leg. This design "consists in certain improvements in the construction and arrangement of parts in artificial legs, so as to make them more durable, easier of repair, and more comfortable to the wearer" (lines 11-15).
Date:
September 19, 1882
Creator:
Wolf, Peter M.
System:
The Portal to Texas History
Harrow
Patent for a harrow to be used with a cultivator. Illustrations included.
Date:
September 5, 1911
Creator:
Wolfe, James A.
System:
The Portal to Texas History
Blacking Brush.
Patent for a new and improved blacking brush. This design utilizes springs to move a blacking brush to and from a can of polish. This results in "evenness of wear of the bristles of the brush, economy of blacking, absence of spattering while extracting the blacking from the box, convenience in substituting the circular brush as a lid for the box in case of loss of the box-lid, and the saving of time in looking for a blacking-brush and a blacking-box separately" (lines 53-60).
Date:
September 21, 1880
Creator:
Wood, Edmund Lorenzo.
System:
The Portal to Texas History
Ruling Blotter
Patent for a ruling blotter. This invention provides "a blotting-pad having on one face a measure, a calandar, and spaces for advertising matter, and a straight-edge secured along its edge" (lines 9-13). Illustration included.
Date:
September 19, 1905
Creator:
Wood, John L.
System:
The Portal to Texas History
Belt Attachment for Trousers.
Patent for a new invention of belt loops for trousers that are located inside the waistband with "the loop in the middle of the back being located lower than the others, and a belt confined entirely within the trousers and secured to the trousers at the front only and at a point lower than the adjacent loops." (lines 71-77).
Date:
September 28, 1915
Creator:
Woodruff, William Douglas
System:
The Portal to Texas History
Improvements for Apparatus for Sealing Pipe-Joints
Patent for apparatus for sealing pipe-joints. Improvements and unique changes are explained in the text of the patent submission, accompanied by diagrams of the patent.
Date:
September 18, 1917
Creator:
Woodward, Edwin C
System:
The Portal to Texas History
Process of Sealing Pipe-Joints.
Patent for an improved method of sealing sewer or soil pipe joints, including illustrations.
Date:
September 18, 1917
Creator:
Woodward, Edwin C.
System:
The Portal to Texas History
Fiber machine.
Patent for the improvement of fiber-machines, using rolls, bearings, wheels, brushes, racks and pinions.
Date:
September 2, 1884
Creator:
Worthington, George & Parvin, Enoch J.
System:
The Portal to Texas History
Fiber-Machine.
Patent for an improvement in fiber machines that is "adaptable to fibers of various plants; but it is especially designed for separating the fiber of plants found in Mexico--such as lechugilla, Spanish dagger, and similar plants" (lines 28-32). The machine is used to separate the usable fiber from the leaves, stalks, and other parts of the plants.
Date:
September 2, 1884
Creator:
Worthington, George & Parvin, Enoch, J.
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
Improvement in Automatic Detaching Hook.
Patent for "a new and useful improvements Hooks"
Date:
September 12, 1876
Creator:
Wyckoff, Cornerius P.
System:
The Portal to Texas History
Car-Coupling
Patent for automatic car-couplings, including instructions and illustrations.
Date:
September 21, 1897
Creator:
Yarnell, Leon, J. & Schmidt, Joseph H.
System:
The Portal to Texas History
Improvment in Spray-Nozzles
Patent for an improvement on spray nozzles for use with force pumps. These force pumps are used for spraying insecticide on cotton to protect the crop from cotton-worms and other insects.
Date:
September 2, 1879
Creator:
Yeager, George
System:
The Portal to Texas History
Car-Coupling.
Patent for certain new and useful improvements in car coupling devices, including instructions and illustrations.
Date:
September 12, 1899
Creator:
Yeiser, John C.
System:
The Portal to Texas History
Vehicle-Axle.
Patent for a vehicle axle for buggies, which has easy access to the inner parts of the axle for repair and runs easily.
Date:
September 3, 1907
Creator:
York, Doctor Alonzo
System:
The Portal to Texas History
Stove.
Patent for a heating stove that will ensure the combustion of artificial or natural gas, including instructions and illustrations.
Date:
September 15, 1914
Creator:
Ziegler, John C.
System:
The Portal to Texas History
Hydrant Valve.
Patent for an improved valve for hydrants that, when closed, allows water to drain out of the riser and bib, preventing freezing. Includes illustrations.
Date:
September 26, 1911
Creator:
Ziller, William
System:
The Portal to Texas History
Vehicle-Jack
Patent for a vehicle jack improvements that includes "a lifting-arm or support having a flexible winding element" (lines 15-16).
Date:
September 23, 1902
Creator:
Zwicker, August
System:
The Portal to Texas History
Liquid Hydrocarbon Burner
Patent for a liquid hydrocarbon burner used to vaporize liquid hydrocarbons (e.g., kerosene, crude oil) for use in heating and cooking.
Date:
September 22, 1914
Creator:
von Hohenstein, Charles
System:
The Portal to Texas History