UNT Libraries Government Documents Department - 73 Matching Results

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Vehicle-Wheel.

Description: Patent for a type of vehicle wheel made of a unique hub, rim, and resilient spokes. The design allows for the hub and spokes to rotate independently of the rim, reducing the need for compensating gearing. This is done by having the spokes frictionally engaged with the rim rather than a rigid, static design.
Date: December 26, 1911
Creator: Bartle, John N.
Item Type: Refine your search to only Patent

Rifle.

Description: Patent for a rifle that uses electricity from a battery to ignite the explosive charge for the ammunition.
Date: January 14, 1919
Creator: Brannon, Virgil C.
Item Type: Refine your search to only Patent

Strap Fastener

Description: Patent for a strap fastener to be used for clamping devices such as harnesses, saddles, reins, and tie-straps. Illustration included.
Date: February 22, 1910
Creator: Carlson, Frank A. & Rhodes, L. D.
Item Type: Refine your search to only Patent

Locomotive Brake-Shoe

Description: Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date: May 29, 1917
Creator: Christensen, Jacob V. C. T.
Item Type: Refine your search to only Patent

Well Stuffing-Box.

Description: Patent for improvements on well stuffing boxes, particularly in packing the vertically reciprocating pump rod and keeping it packed over time, so that the stuffing box doesn't need to be dismantled for manual adjustments.
Date: November 16, 1915
Creator: Church, George W.
Item Type: Refine your search to only Patent

Route-Indicator.

Description: Patent for an improved route indicator for automobiles "which not only visually indicates the characteristics and risks of the road" but in addition provides an "auditory signal to call attention to approaching hazards or dangers" (lines 36-41). Illustrations included.
Date: November 13, 1917
Creator: Cranmer, Howard
Item Type: Refine your search to only Patent

Holder.

Description: Patent for improved book holder for holding down the leaves of an open book which can be adjusted to fit various widths.
Date: July 2, 1918
Creator: Duckett, J. L.
Item Type: Refine your search to only Patent

Under-Drilling Bit.

Description: Patent for improvements in the design of under drilling bits in order to "reduce labor, time and expense of drilling" and "to permit the drilling of a more perfect hole" (lines 25-27), including illustrations and a description of the design.
Date: July 15, 1913
Creator: English, Harry White
Item Type: Refine your search to only Patent

Clara Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:31680
Date: 1918
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 34.06 -98.69

Electra Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:31680
Date: 1918
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 34.06 -98.94

Fowlkes Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:31680
Date: 1919
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 33.94 -98.81

Iowa Park Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:31680
Date: 1918
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 33.94 -98.69

Power-Transmitting Mechanism.

Description: Patent for an improved power-transmitting mechanism for, "bicycles, motorcycles and similar vehicles whereby rotation is transmitted to the driven wheel without the use of chains, belts, gears or analogous elements commonly employed for this purpose" (lines 14-18). The invention will maximize driving power while minimizing energy expenditure (lines 19-24), employ a propelling mechanism, and reduce manufacturing and repair costs.
Date: March 11, 1919
Creator: Grubb, Orin A.
Item Type: Refine your search to only Patent
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