UNT Libraries Government Documents Department - 1,079 Matching Results

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Train-Line Valve.

Description: Patent for "a cut out cock for pneumatic air brake systems." This invention allows the brake lines to be bled so that all brakes may be applied simultaneously.
Date: August 30, 1921
Creator: Weaver, Charles H.
Item Type: Refine your search to only Patent

Feed-Trough.

Description: Patent for improvements in feed-troughs in which a controlled amount of feed can be placed in a feed box, and in which the latter will be fed as rapidly as consumed and the unconsumed feed will be protected. (Lines 11-14) Illustration in included.
Date: September 8, 1891
Creator: Webb, William James
Item Type: Refine your search to only Patent

Trunk-Strap Fastener.

Description: Patent for a device "whereby a trunk-strap after having been tightly drawn around a trunk or other article of baggage can be fastened without the use of the usual buckle," (lines 10-14) including instructions and illustrations.
Date: December 15, 1891
Creator: Webb, William James
Item Type: Refine your search to only Patent

Trunk-Strap Fastener.

Description: Patent for an improved trunk fastener "whereby a strap after having been tightly drawn around a trunk or other article of baggage can be fastened without the use of the usual buckle" (lines 13-16). It consists of a hook-securing mechanism that holds the buckle at one end, an opposite toothed beveled clamping-face, a swinging lever with opposite arms that is connected with the fixed mechanism, a beveled clamping-face between the arms, and a lever that clamps the strap between the beveled clampin… more
Date: November 8, 1892
Creator: Webb, William James
Item Type: Refine your search to only Patent

Trunk-Strap Fastener.

Description: Patent for an inexpensive and simple trunk strap fastener meant to "insure a strong tightening of the same without resorting to the old laborious method of buckling the strap about the baggage, while at the same time the invention also contemplates the employment of a specific arrangement of the strap about the article being bound therewith, in combination with the fastener proper whereby a stronger and more efficient strapping is effected" (lines 16-25).
Date: June 12, 1894
Creator: Webb, William James
Item Type: Refine your search to only Patent

File-Cabinet.

Description: Patent for combination safe or revolving file cabinet to provide a safe operable means for compartments of batches of papers. Illustration is provided.
Date: August 10, 1915
Creator: Whitlow, Alamander
Item Type: Refine your search to only Patent

Mud-Cleaning Mechanism for Tractor-Wheels.

Description: Patent for mud cleaning mechanism for tractor wheels. The mechanism's objective is to automatically clean from and between the cleats and the ground, and along the rims of tractor wheels while the wheels are in motion. Additional advantages noted are that this mechanism is easily assembled and disassembled, durable and compact, and applicable with multiple styes of tractors.
Date: May 25, 1920
Creator: Williams, Hartwell L.
Item Type: Refine your search to only Patent

Mill-Carriage-Wheel Guard.

Description: Patent for a new mill-carriage-wheel guard "to prevent obstruction falling on the wheels or on the [railroad] track, this guard also carries scrapers in front and in rear and on each side of the wheel, whereby the obstructions are scraped off the track." (Lines 23-28) This guard can be used with a wood-working machine carriages and/or rail.” Illustration is included.
Date: April 28, 1891
Creator: Zimmerman, Joseph W.
Item Type: Refine your search to only Patent
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