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Office of Scientific & Technical Information Technical Reports
274
Congressional Research Service Reports
104
Texas Patents
61
Defense Base Closure and Realignment Commission
40
Texas Attorney General Opinions
40
Government Accountability Office Reports
23
Technical Report Archive and Image Library
22
National Advisory Committee for Aeronautics Collection
12
Texas Register
10
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Estimation of Reaction and Heat Release Rates for Graphite Oxidation
A literature study has been made of rates for the reaction of oxygen with high-purity artificial graphite. Values from a number of sources have been expressed on a common basis which provides approximate correction for the retarding effects of oxygen diffusion in the graphite pores. The corrected rates can be correlated by the equation k = 7.24 x 10^9 exp (-22 100/T), where k has units of weight fraction oxidized per hour and T as in °K. Effects of oxygen concentration, solid and gas-phase contaminants, and radiation on the observed rates are discussed. Methods for estimating rates and spatial distribution of heat release during graphite oxidation are presented. These should be of value in analyzing the hazard of a graphite fire following a coolant system rupture in a gas-cooled, graphite-moderated reactor.
Date:
October 19, 1960
Creator:
Prados, John W.
Object Type:
Report
System:
The UNT Digital Library
Oil-Burner.
Patent for an oil burner, which atomizes oil through the injection of steam that helps the oil to burn more easily.
Date:
October 19, 1909
Creator:
Milton, John Foy
Object Type:
Patent
System:
The Portal to Texas History
Mattress Making Machine.
Patent for a new and improved mattress making machine. This design calls for a box with a hinged door and gauges that adjust the box to the desired width for mattress making. Additionally, slats at the bottom of the box and along the inside of the hinged lid have straps and pins that one uses to bind the mattress material after it fills the box.
Date:
October 19, 1880
Creator:
Howe, Charles P.
Object Type:
Patent
System:
The Portal to Texas History
Process and Machine for Making Bricks.
Patent for improvements to brick making machines that will produce bricks with a textile finish.
Date:
October 19, 1915
Creator:
Rodgers, Edward H.
Object Type:
Patent
System:
The Portal to Texas History
Draft Appliance
Patent for a draft attachment to be used with a animal-drawn vehicle to hitch a third horse to the vehicle if need be. Illustrations included.
Date:
October 19, 1909
Creator:
Gaines, Wister F.
Object Type:
Patent
System:
The Portal to Texas History
Cotton Scraper.
Patent for a new and improved cotton scraper. This design consists in "the vertical standard having the horizontal reardwardly-extending arm at its lower end, the cotton-scraper attached to the said arm and extending rearwardly and outwardly therefrom, and having the upturned curved broadened rear end forming the blade, and the clip-bolts and clamping-plate to secure the standard to the plow-standard and permit the said standard to be vertically adjusted" (lines 82-91).
Date:
October 19, 1886
Creator:
Basham, Wesley Houston
Object Type:
Patent
System:
The Portal to Texas History
Cultivator
Letter of proposal from Warner E. Smith to the United Patent Office to put forth his invention on cultivator to improve the existing one. His invention on cultivator is for cleaning beds where the plants planted down deep in the ground. It is ideal for reeding the surface of the ground from weeds. With his proposal, Smith provided the diagram or drawing to give detail on how it is done.
Date:
October 19, 1912
Creator:
Smith, Warner E.
Object Type:
Patent
System:
The Portal to Texas History
Rotary Display-Cabinet.
Patent for a rotary display cabinet for lace and ribbons, which has a dust free delivery system, rotates to allow the spools to be wound back up easily, and has a glass window for easy viewing.
Date:
October 19, 1909
Creator:
Duncan, Delorus
Object Type:
Patent
System:
The Portal to Texas History
Signaling Device
Patent for a signaling device to be used on railroads, trolley cars, or engines. Illustrations included.
Date:
October 19, 1909
Creator:
Smith, William Philip
Object Type:
Patent
System:
The Portal to Texas History
Safety-Dog Trip for Cotton-Presses.
Patent for a safety dog trip for cotton presses, which automatically removes the dog rods holding the cotton out of the press when it is sent up for pressing.
Date:
October 19, 1909
Creator:
Wright, John C.
Object Type:
Patent
System:
The Portal to Texas History
Head-Rest For Barbers' Chairs
Patent for a headrest to be used for chairs used by barbers and doctors. Illustrations included.
Date:
October 19, 1909
Creator:
Wallace, Robert S.
Object Type:
Patent
System:
The Portal to Texas History
Design for Rein Holder
Design for a rein holder that has a longitudinally-curved base piece that ends with opposite duplicate substantially U-shaped bends.
Date:
October 19, 1897
Creator:
Saunders, David R. & Lee, Jacob M.
Object Type:
Patent
System:
The Portal to Texas History
Design for Match and Cigar Safe.
Design patent for a match and cigar safe that looks like a house.
Date:
October 19, 1897
Creator:
Weiss, Martin
Object Type:
Patent
System:
The Portal to Texas History
Cotton-Chopper
Patent for a new and improved Cotton Chopper, which explains what it is used for and what the new improvements are.
Date:
October 19, 1897
Creator:
Hyland, Robert R.
Object Type:
Patent
System:
The Portal to Texas History
Boll-Weevil Catcher.
Patent for agricultural devices and more particularly to a device to be attached to a cultivator for catching boll weevil or the like, during the cultivation of cotton.
Date:
October 19, 1920
Creator:
Stanalan, William
Object Type:
Patent
System:
The Portal to Texas History
Improvement in Carburaters
Patent of an improvement for a carbureter that furnishes the apparatus for enriching the vapors of gasoline or other light hydrocarbon.
Date:
October 19, 1875
Creator:
Pollard, James M.
Object Type:
Patent
System:
The Portal to Texas History
Combination-Tool.
Patent for a tool that is comprised of a hammer, wrench, staple puller, wire cutter, and a claw. Includes illustrations.
Date:
October 19, 1897
Creator:
Burkhalter, William P.
Object Type:
Patent
System:
The Portal to Texas History
Combination Chair and Ironing Board
Patent for a chair that can fold and act as an ironing board. Illustration included.
Date:
October 19, 1909
Creator:
Hufft, Rose; Harrell, Cullen Carr & Hufft, John J.
Object Type:
Patent
System:
The Portal to Texas History
Combined Envelop, Shipping-Tag, and Index-Card
An identifying tag to be placed on containers meant to be returned to the sender after delivery of goods.
Date:
October 19, 1915
Creator:
Simpson, Ray R. & Wilmoth, Joseph S.
Object Type:
Patent
System:
The Portal to Texas History
Combined Indian Club and Dumb-Bell.
Patent for a combined Indian club and dumbbell, which are easily interchanged and having varying weights.
Date:
October 19, 1909
Creator:
Burr, William H.
Object Type:
Patent
System:
The Portal to Texas History
Carpenter's Square.
Patent for a carpenter's square, which has a table of rafter cut measurements, a table of measurements in inches, and the standard carpenter's measure table.
Date:
October 19, 1909
Creator:
Bailey, Louis Eugene
Object Type:
Patent
System:
The Portal to Texas History
Box Car Door Fastener and Spark Arrester.
Patent for a new and improved box-car door fastener and spark arrester. This design consists in "the door, the screws extending therefrom, the strips having the inclined slots received on the screws, and provided with the projections, the lever pivoted on the screws outside the strip, stops on the lever to engage the projections, and means--such as cord--for locking the lever" (lines 4-11).
Date:
October 19, 1886
Creator:
Lynch, Hubbard Calhoun
Object Type:
Patent
System:
The Portal to Texas History
Carbureter
Patent for a "carbureter adapted for use in connection with internal combustion engines, and being of novel construction whereby the air is drawn through the gasolene or liquid fuel to vaporize the fuel and thereby provide a thorough and proper mixture of the air and fuel" (lines 10-16), including illustrations.
Date:
October 19, 1915
Creator:
Nichols, Theodore J.
Object Type:
Patent
System:
The Portal to Texas History
Beehive.
Patent for improvements in beehives: "invention is to improve the construction of beehives and to provide a simple and efficient one, which will permit food to be readily supplied to the bees when desired and enable the apiarian to have him to cut bee entrances to the same." (lines 9-15).
Date:
October 19, 1897
Creator:
Tucker, John Q.
Object Type:
Patent
System:
The Portal to Texas History