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Account Book (open access)

Account Book

Patent for an account book that is to be used "to receive in condensed form the dates and other particulars when sums are due to and from a person or firm are payable" (p. 2).
Date: May 21, 1889
Creator: Goldberg, Samuel W. & Tillmann, Emanuel M.
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for an acetylene gas generator that automatically feeds carbide into the water tank and cleans the feed valve.
Date: January 21, 1919
Creator: Furr, Oscar M.
System: The Portal to Texas History
Acetylene-Gas Generator (open access)

Acetylene-Gas Generator

Patent for an acetylene-gas generator which automatically feeds carbid to the generator and in which the gas generated is washed within the bell.
Date: August 21, 1906
Creator: Nunn, John W. & Griffin, Thomas D.
System: The Portal to Texas History
Adding and Subtracting Machine (open access)

Adding and Subtracting Machine

Patent for an improved adding and subtracting machine adapted to be attached to the end of a lead pencil. It is readily manufactured and simple in construction.
Date: September 21, 1918
Creator: Wittnebert, Duke.
System: The Portal to Texas History
Adding-Machine. (open access)

Adding-Machine.

Patent for an inexpensive, simple, easily operated, and improved registering machine that is meant to add numbers without mistakes. It uses revoluble number wheels and a spring-returned shaft among other materials.
Date: March 21, 1893
Creator: Brooks, Augustus J.
System: The Portal to Texas History
Adjustable cutting tool holder (open access)

Adjustable cutting tool holder

This patent application describes a device for varying the geometry of a cutting tool for use in machining operations.
Date: September 21, 2000
Creator: Steinhour, William Lee III; West, Drew; Honeycutt, Steve; Frank, Steven & Krishnamurthy, Kallutla
System: The UNT Digital Library
Aerogel Fingerprint Media (open access)

Aerogel Fingerprint Media

A fingerprint medium which is made of an aerogel having a predetermined density. The fingerprint medium may have a midrange density for forming plates or may be crushed forming a powder. The fingerprint medium may further include at least one of a metal and metal oxide to enhance characteristics desirable in a fingerprint medium.
Date: September 21, 1999
Creator: Miller, Fred S. & Andresen, Brian D.
System: The UNT Digital Library
Air-Blast Cotton-Gin (open access)

Air-Blast Cotton-Gin

Patent for airing out the lent from the brushes on the ginn. This also uses less power than the ones before.
Date: November 21, 1914
Creator: Ginn, Carrollvernon B.
System: The Portal to Texas History
Air Brake (open access)

Air Brake

Patent for air brakes. Illustration included.
Date: March 21, 1905
Creator: Minnick, Hezekiah
System: The Portal to Texas History
Air-Cooling Apparatus. (open access)

Air-Cooling Apparatus.

Patent for an air cooling apparatus for air to be delivered into a room treated with moisture to reduce the temperature of the air without the use of ice.
Date: March 21, 1916
Creator: Hollenburger, Joseph
System: The Portal to Texas History
Air-Gun (open access)

Air-Gun

Patent for an air gun. Illustrations included.
Date: June 21, 1910
Creator: Heckman, George E.
System: The Portal to Texas History
Air Motor. (open access)

Air Motor.

Patent for a new and improved air-motor. This design is of an "air-motor, consisting of an engine, single-acting air-pump, air-receiver, and the double-acting exhaust-pump, with the valves and connections . . . [and] the levers and segments" (lines 81-87).
Date: July 21, 1885
Creator: Koniakowsky, Alois M.
System: The Portal to Texas History
AIR REGULATING ATTACHMENT (open access)

AIR REGULATING ATTACHMENT

Patent for an Air Regulating Attachment. This new invention for an air regulating attachment builds upon previous advancements to create an inexpensive air regulating attachment system, which will in turn be used to regulate engine carburetors (Oscar Kiessing).
Date: April 21, 1919
Creator: Kiessig, Oscar
System: The Portal to Texas History
Airship (open access)

Airship

Patent for an airshape. This invention is of a helicopter design. Illustration included.
Date: January 21, 1913
Creator: Darche, James
System: The Portal to Texas History
Alarm for Incubators (open access)

Alarm for Incubators

Patent for an alarm that sounds upon the temperature in an incubator either increasing or decreasing.
Date: November 21, 1916
Creator: Poore, John F.
System: The Portal to Texas History
Animal-Poke (open access)

Animal-Poke

Patent for an animal poke that is worn on the head of the animal to prevent it from breaking or going underneath wire fences.
Date: May 21, 1907
Creator: Carter, Joel F.
System: The Portal to Texas History
Animal Tag. (open access)

Animal Tag.

Patent for a new and improved animal tag. This design "consists in an animal-tag formed of a tube provided with a removable cover and an elongated staple for the strap, by which this tube is held to the animal" (lines 11-14).
Date: November 21, 1882
Creator: Queen, Elias G.
System: The Portal to Texas History
Apparatus and method for pyrolyzing biomass material (open access)

Apparatus and method for pyrolyzing biomass material

A technique for pyrolyzing biomass materials is disclosed wherein a hot surface is provided having a predetermined temperature which is sufficient to pyrolyze only the surface strata of the biomass material without substantially heating the interior of the biomass material thereby providing a large temperature gradient from the surface strata inwardly of the relatively cool biomass materials. Relative motion and physical contact is produced between the surface strata and the hot surface for a sufficient period of time for ablative pyrolyzation by heat conduction to occur with minimum generation of char.
Date: August 21, 1981
Creator: Diebold, J. P. & Reed, T. B.
System: The UNT Digital Library
Apparatus For Cementing Wells. (open access)

Apparatus For Cementing Wells.

Patent for new and useful improvements in processes of and apparatus for cementing wells, including instructions and illustrations.
Date: November 21, 1899
Creator: Baca, August
System: The Portal to Texas History
Apparatus for Heating up Locomotive-Boilers. (open access)

Apparatus for Heating up Locomotive-Boilers.

Patent for an "apparatus for kindling fires in locomotives; and it is intended to provide an improved apparatus by which the fires may be rapidly and economically kindled and steam may be gotten up without much of the tedious delay now ordinarily incident to raising steam in a cold locomotive-boiler." (Lines 13-19) Includes instructions and illustrations.
Date: January 21, 1896
Creator: Connor, John T.
System: The Portal to Texas History
Apparatus for Molding Hollow Concrete Walls (open access)

Apparatus for Molding Hollow Concrete Walls

Patent for an apparatus that is a mold for crafting hollow concrete walls. Illustration included.
Date: December 21, 1909
Creator: Nelson, William E.
System: The Portal to Texas History
Apparatus for Producing Ammoniacal Gas. (open access)

Apparatus for Producing Ammoniacal Gas.

Patent for a new and improved refrigerator and ice machine. This design "consists in an improved construction, whereby the gas is relieved of its moisture before entering the condenser, a better apparatus is obtained, and repairs are facilitated and cheapened" (lines 12-16).
Date: July 21, 1885
Creator: Lee, Charles B.
System: The Portal to Texas History
Apparatus For Protecting And Preserving Poles And The Like (open access)

Apparatus For Protecting And Preserving Poles And The Like

Patent for add-on device to shield existing electric posts and poles from decay over time and weather damage.
Date: September 21, 1920
Creator: Lewis, Thomas E.
System: The Portal to Texas History
Apparatus for Retailing Shot. (open access)

Apparatus for Retailing Shot.

Patent for a new and improved round dispenser. This design "consists in a receptacle or multiple bin the several compartments of which are provided with valves controlling exit-openings, whereby any desired quantity of shot, descending by gravity from the appropriate compartment, may be directed into the scale-pan of a scale without the necessity of lifting the receptacle or bin or any part of its contents" (lines 35-43).
Date: September 21, 1880
Creator: Stokes, Micajah
System: The Portal to Texas History