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Detonator-activated ball shutter
A detonator-activated ball shutter for closing an aperture in about 300 ..mu..seconds is disclosed. The ball shutter containing an aperture through which light, etc., passes, is closed by firing a detonator which propels a projectile for rotating the ball shutter, thereby blocking passage through the aperture.
Date:
May 14, 1981
Creator:
McWilliams, R. A. & Von Holle, W. G.
System:
The UNT Digital Library
Building Construction
Patent for metal beams used in building construction that have perforated plates to allow the passage of concrete through the plate when the metal piece is embedded in concrete thus strengthening the attachment of the metal and the concrete.
Date:
May 14, 1907
Creator:
Keyser, William H.
System:
The Portal to Texas History
Bung-Extractor
Patent for "an improved extractor for the bungs of casks and barrels of all kinds, so that the same can be quickly and conveniently removed from the bung-hole" (lines 8-11).
Date:
May 14, 1901
Creator:
Cathriner, Joseph
System:
The Portal to Texas History
Bale Tie
Patent for "a new and useful bale tie" (lines 5-6), including illustration and instructions.
Date:
May 14, 1900
Creator:
Walker, Millard Fillmore
System:
The Portal to Texas History
Cold-Iron Straightener.
Patent for a cold iron straightener for straightening wagon axles or pipes while they are still on the vehicle, which allows for more forceful bending than previous devices and restoration of the parts to their natural position.
Date:
May 14, 1907
Creator:
Keith, John David
System:
The Portal to Texas History
Bed Drier and Warmer.
Patent for a new and improved bed drier and warmer. This design "includes, primarily, a suitable frame of essentially elliptical form, whose ends allow of the said frame being readily slipped in between the bed and bedding or between two articles of bedding, and in connection with said frame a suitable fire-pot of portable construction" (lines 23-29).
Date:
May 14, 1889
Creator:
Fossati, Jasper
System:
The Portal to Texas History
Cotton Chopper.
Patent for a new and improved cotton chopper. This design consists "of the wheel having the series of arms, the V-shaped fenders secured thereto, the rim having offsets and tapering side edges, the hoe-bars having rollers, and overlapping hoes at their outer ends" (lines 73-78).
Date:
May 14, 1889
Creator:
Woodbury, Amasa O.
System:
The Portal to Texas History
Car Wheel and Axle.
Patent for a car wheel and axle made up of a built-up metallic wheel with dished side-plates that have flanged and riveted rims, hub-nuts, a lock-plate, hollow screw-threaded ends, hexagonal offsets, tubular journals, a tubular journal, and a radial lubricating feed-tube with a cross-head and a collar.
Date:
May 14, 1895
Creator:
Flatau, Louis Spencer
System:
The Portal to Texas History
Back-Pad.
Patent for an inexpensive and simple concave back-pad meant to be used between the horse and the saddle. The design of the invention makes saddles stay in place.
Date:
May 14, 1895
Creator:
Powell, John S.
System:
The Portal to Texas History
Air-Regulating Attachment.
Patent for a new attachment in a carburetor that regulates air through suction and has a valve to release pressure from an engine, including illustrations.
Date:
May 14, 1918
Creator:
Kimbler, Henry R.
System:
The Portal to Texas History
System, Method and Apparatus for Energizing Vehicle Brake Lights
Patent relating to the system, method and apparatus for energizing vehicle brake lights.
Date:
August 20, 2010
Creator:
Marlowe, Kenneth Adam; Cotanch, Bryan & Parker, James
System:
The UNT Digital Library
Automatic Locking Device
Patent for improvements to automatic locking devices when turned one direction with illustrations.
Date:
May 14, 1918
Creator:
Dixon, Thomas K.
System:
The Portal to Texas History
Cigar or Cigarette Holder
Patent for improvements to cigar and cigarette holders so that the stub (butt) of the cigar/cigarette can be easily ejected, thereby decreasing the instances of choking. This also makes the mouthpiece easier to clean and therefore, more sanitary.
Date:
May 14, 1918
Creator:
McClintock, Herbert R.
System:
The Portal to Texas History
Wire-Tightener
Patent for "a simple, inexpensive, and efficient device adapted to enable the slack of a wire to be readily taken up at a point between the posts and capable of enabling a wire to be readily stretched to the desired tension" (lines 12-17).
Date:
May 14, 1901
Creator:
May, Robert B.
System:
The Portal to Texas History
Wagon and Buggy Tap Extension.
Patent for a waggy and buggy tap extension that compensates for the waggon/buggy's wear and tear and mitigates instances of the wheels wobbling. The construction is simple to use and inexpensive.
Date:
May 14, 1918
Creator:
Bosworth, Allie F.
System:
The Portal to Texas History
Indicating and Testing Apparatus.
Patent for indicating and testing cylinders on multi-cylinder engines (such as gasoline) to show if any are misfiring, have leaking valves or rings, and show that the carburetor is properly adjusted.
Date:
May 14, 1918
Creator:
Pittman, Mordaunt E.
System:
The Portal to Texas History
Machine for Making Lunch-Rolls.
Patent for a machine that makes lunch rolls. By using the machine, people (particularly street vendors) can make hamburger rolls similar to the Mexican hot tamale.
Date:
May 14, 1918
Creator:
Wiseman, William E.
System:
The Portal to Texas History
Windmill
Patent for "a mill equipped with an automatic governor for regulating the speed of the windmill and for preventing injury to the apparatus by throwing the blades of the wheel into or out of the wind in a manner to secure the most effective operation of the device at all times" (lines 9-15).
Date:
May 14, 1901
Creator:
Stein, John
System:
The Portal to Texas History
Log-Carrier.
Patent for a log-carrier that improves on a patent previously granted to Robert E. Terry (No. 481,314). The adjusting lever is made to be more powerful so the log chains can be moved with less friction and will not slip from their guides. Ratchets and pawls prevent the tongue from moving.
Date:
May 14, 1895
Creator:
Carroll, Joseph Alexander
System:
The Portal to Texas History
Insecticide
Patent for a recipe for insecticide for the Mexican Cotton-Boll Weevil.
Date:
May 14, 1912
Creator:
Newell, Wilmon
System:
The Portal to Texas History
Vehicle Wheel.
Patent for a vehicle wheel equipped with a substitute for the pneumatic tire. This wheel will have an inner and outer hub, spaced from each other and adapted to undergo relative motion, coiled springs being mounted radially upon the outer hub which serve to communicate rotation from one hub to the other.
Date:
May 14, 1912
Creator:
Wylie, Alfred R.
System:
The Portal to Texas History
Improvement in Nail-Extractors.
Patent for an improved instrument for extracting nails which "will increase its effectiveness in equal ratio with the resistance offered by the object under operation" (lines 13-16) including instruction and illustrations.
Date:
May 14, 1872
Creator:
Franklin, Edward A.
System:
The Portal to Texas History
Improvement in Saddle-Tree Forks.
Patent for an "improved saddle-tree fork, which shall be simple in construction, light, and durable, and which may be readily adjusted as a Texas saddle-tree or a muley saddle-tree"( line 6 )includes instructions and illustration.
Date:
May 14, 1878
Creator:
Lane, Calvin M. & Franklin, Mathew C.
System:
The Portal to Texas History
Improvement in Cotton-Bale Ties
Patent for an improvement in cotton-bale ties which consists of the construction of the loop-plate.
Date:
May 14, 1872
Creator:
Franklin, Edward A.
System:
The Portal to Texas History