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591 Matching Results
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Reusable tamper-indicating security seal. [Patent Application]
The invention teaches means for detecting unauthorized tampering or substitutions of a device, and has particular utility when applied on a seal device used to secure a location or thing. The seal has a transparent body wall, and a first indicia, viz., a label identification is formed on the inside surface of this wall. Second and third indicia are formed on the outside surface of the transparent wall, and each of these indicia is transparent to allow the parallax angled viewing of the first indicia through these indicia. The second indicia is in the form of a broadly uniform pattern, viz., many small spaced dots; while the third indicia is in the form of easily memorized objects, such as human faces, made on a substrate by means of halftone printing. The substrate is lapped over the outside surface of the transparent wall. A thin cocoon of a transparent material, generally of the same material as the substrate such as plastic, is formed over the seal body and specifically over the transparent wall and the second and third indicia formed thereon. This cocoon is seamless and has walls of nonuniform thickness. Both the genuineness of the seal and whether anyone has …
Date:
June 23, 1981
Creator:
Ryan, M. J.
System:
The UNT Digital Library
An Aqueous Dispersion of Hydrogel Nanoparticles with Inverse Thermoreversible Gelation
Patent relating to an aqueous dispersion of hydrogel nanoparticles with inverse thermoreversible gelation.
Date:
December 9, 2004
Creator:
Hu, Zhibing & Xia, Xiaohu
System:
The UNT Digital Library
Cotton-Chopper.
Patent for a new and improved cotton chopper, including instructions and illustrations.
Date:
January 23, 1900
Creator:
Kirby, Richard W.
System:
The Portal to Texas History
Coupling-Pin.
Patent for a coupling pin for railroad cars, which prevents the coupling from coming loose accidentally by having a key which locks the coupling in place and can only be undone by the cars operating systems. when it is time to disconnect the car.
Date:
July 23, 1907
Creator:
Yeiser, John Clarke
System:
The Portal to Texas History
Bale-Tie Buckle
Patent for a bale tie buckle made up of hooks that will not come apart under pressure.
Date:
July 23, 1912
Creator:
Eddleman, Dudley E. & McFarland, Frank H.
System:
The Portal to Texas History
Car Coupling
Patent for rail car coupling. Illustration included.
Date:
May 23, 1905
Creator:
Rowell, Charles W.
System:
The Portal to Texas History
Attachment for Laundry-Extractors
Patent for a time cut-off and brake attachment for laundry extractors for preventing accidents. Illustrations included.
Date:
January 23, 1912
Creator:
Moore, Robert Marion
System:
The Portal to Texas History
Diffusion-Block for Subsoil Irrigation.
Patent for a diffusion block for subsoil irrigation, which prevents roots from growing into the pipe that is providing water to the soil.
Date:
August 23, 1910
Creator:
Ziller, Bessie
System:
The Portal to Texas History
Axle - Nut.
Patent for a new and useful improvements in Axle-Nuts for wagons and carriages.
Date:
November 23, 1897
Creator:
Collins, Corties
System:
The Portal to Texas History
Bank Register and Remittance Sheet
Patent for a bank register and remittance sheet. Illustration included.
Date:
August 23, 1904
Creator:
Exline, Marcus P. & Bourke, Edmund
System:
The Portal to Texas History
Canning Furnace
Patent for a canning furnace. Illustration included.
Date:
March 23, 1909
Creator:
May, Callie C.
System:
The Portal to Texas History
Cotton Chopper
Patent for a cotton chopper. Illustration included.
Date:
May 23, 1905
Creator:
Fikes, Bosiar Lee
System:
The Portal to Texas History
Apparatus for Destroying Insects
Patent for an apparatus for destroying insects. Illustrations included.
Date:
May 23, 1911
Creator:
Crow, William M. & Crow, Levi H.
System:
The Portal to Texas History
Combined Elastic Clutch and Engine-Starter
Patent for a combined elastic clutch and engine starter for hydrocarbon engines that does not produce a jerk.
Date:
April 23, 1912
Creator:
Reagan, Edgar U. G.
System:
The Portal to Texas History
Cotton Chopper
Patent for a cotton chopper. Illustration included.
Date:
February 23, 1909
Creator:
Hogan, Samuel Thomas; Knetsch, Ferdinand, Jr. & Oatman, John B.
System:
The Portal to Texas History
Cotton-Chopper.
Patent for a cotton chopper, which has rotating blades on the front.
Date:
November 23, 1909
Creator:
Thompson, Joseph B.
System:
The Portal to Texas History
Counting Attachment for Type-Writers
Patent for a counting attachment for type writers that provides signals when various word counts are reached.
Date:
July 23, 1912
Creator:
Walker, Jack L.
System:
The Portal to Texas History
Apparatus for Sizing Ores or for Other Uses
Patent for an apparatus for sizing ores. This invention is to "accomplish and accurate or approximately accurate sizing or classification of ores or granular materials in a rapid and thorough manner and with as large a capacity as possible" (line 15-19) illustrations included.
Date:
June 23, 1903
Creator:
Swain, Seth Russell
System:
The Portal to Texas History
Cabinet
Patent for a phonograph cabinet which has specialized storage for records with a built in cataloging and record finding system composed of letters running horizontally across the cabinet and numbers on a sliding strip which when put together with a letter will indicate the position of the record.
Date:
March 23, 1909
Creator:
Keltz, Eugene
System:
The Portal to Texas History
Antifreezing Valve and Closet-Cistern
Patent for "valves which will allow all the water to flow out of the popes to a position below freezing-point after each application of water, whether the water is used in a closet-cistern or drawn out of a hudrant or other application is made, and to arrange the valves so that the supply-valves will be automatically closed by water-pressure in connection with the operation of a siphon in a closet-cistern and the waste-valve will be closed by the pressure of water, siphonic action, or both, when the supply-valves are opened." (lines 18-28).
Date:
April 23, 1901
Creator:
Wilkes, George W.
System:
The Portal to Texas History
Apparatus For Straightening AX-Handles
Patent for apparatus for straightening ax-handles. Illustrations included.
Date:
August 23, 1904
Creator:
Sullivan, Stephen Dunkling
System:
The Portal to Texas History
Cotton-Picking Machine
Patent for a cotton picking machine. Illustrations included.
Date:
May 23, 1911
Creator:
Haring, Peter Paul
System:
The Portal to Texas History
Automatic Air-Brake Coupling
Patent for an air-brake coupling for railroad cars which connects cars automatically and can be fully controlled by the train engineer in the engine.
Date:
July 23, 1907
Creator:
McMillan, Thomas B.
System:
The Portal to Texas History
Cement.
Patent for cement of the type commonly known as Keene's cement, which is harder and glossier than other types of cement.
Date:
March 23, 1909
Creator:
Jones, Thomas
System:
The Portal to Texas History