UNT Libraries Government Documents Department - 1,673 Matching Results

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Account Book

Description: 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.

Account-Book.

Description: Patent for improvement in account-books by “dispensing a multiplicity of books in keeping accounts and to devise means for combining in one book and upon a single page thereof the features of the ledger, day-book, bill-book and bills-receivable book, said page to be so provided with perforation as to admit of the detachment of certain parts, leaving intake theat part of the page that is intended for permanent record.” (Lines 13-22) Illustration is included.
Date: May 26, 1891
Creator: Huck, Henry J., Jr.

Acetylene-Gas Generator.

Description: Patent for a new and useful acetylene gas generator, including instructions and illustrations.
Date: May 30, 1899
Creator: Camp, Charles M.

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. Illustration included.
Date: May 2, 1905
Creator: Pruitt, George Holditch & Pruitt, Conrad D.

Acetylene-Gas Machine

Description: Patent for a acetylene gas machine that automatically controls the flow of carbid or gas producing material into the generator "by means of a float and lever connection with the valve of the carbid hopper" (lines 19-21).
Date: May 7, 1907
Creator: Ricketts, James R.

Adding-Machine.

Description: Patent for am adding machine by using two disks, one a units-disk with pins in multiples of ten, one a tens-disk, is an annular disk with pin surrounding the units disk, an outwardly spring-pressed holder having a beveled outer end frictionally engaging the pins of the tens-disk and a carrier having oppositely-beveled ends engaged a supplemental pin and one pin on the tens-disks, teeth in the adjacent faces of the holder and carrier, and an idle-gear between them to enable the adding operation.… more
Date: May 12, 1891
Creator: Wright, Joseph W.

Adjustable Axle for Plows, Planters, and the like.

Description: Patent for an adjustable axle "for use in connection with wheel mounted or sulky plows, of the middle burster or lister type, or for use in connection with planters and other devices for tilling or working the soil" (lines 10-14) and which allows for the plow to run evenly despite the evenness or unevenness of the soil.
Date: May 26, 1914
Creator: Dalley, William F.

Adjustable Fire Guard and Screen.

Description: Patent for a new and improved fireplace screen. This design "is to provide a simple and efficient device which may be suspended in front of open fireplaces or grates for the purpose of preventing the frequent and sometimes fatal accidents which are directly due to the absence of reliable safe-guards. The invention consists of a series of shields or plates of suitable size and material, which are so connected that when not in use they may be easily drawn upward in succession side by side and com… more
Date: May 3, 1892
Creator: Gibson, Nathaniel B.

Adjustable Flat Die.

Description: Patent for improved adjustable flat dies which provide different sizes of cutting dies to the cutting device.
Date: May 10, 1921
Creator: Wright, John G.

Adjustable Friction-Grab for Fishing-Tools.

Description: Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date: May 24, 1921
Creator: Dickson, Lawrence E.

Adjustable Grate Attachment.

Description: Patent for an adjustable grate attachment that is meant to be used with open grates. It prevents "the falling of heated coals therefrom; also to provide for extension of the grate vertically to facilitate making of a larger fire; and further, to provide an attachment which may be used in regulating the draft to the grate proper" (lines 15-20).
Date: May 23, 1893
Creator: Hutton, Milton Calhoun

Adjustable Lamp-Shade.

Description: Patent for a simplified, detachable, and adjustable lamp shade that is "more practical and efficient without increasing the cost of manufacture" (lines 27-29), including illustrations.
Date: May 16, 1916
Creator: Landers, Charles G.

Adjustable Spring Clamp

Description: Patent for an improved adjustable spring clamp design.
Date: May 13, 1919
Creator: Hillin, H. C.

Adjustable Trace Clip

Description: Patent for Adjustable Trace Clip. "The invention relates to an adjustable trace clip, and has for its primary object to provide a clip of this character in which the connecting strap between the back and belly bands may be adjusted with relation to the trace so as to permit the back band to properly fit the animal and also allow the longitudinal adjustment of the trace" (lines 9-16).
Date: May 24, 1912
Creator: Bradfute, Benjamine F.

Advertising Chair

Description: Patent for a rocking chair for displaying advertisements. Illustrations included.
Date: May 24, 1910
Creator: Biehl, Antonio

Aeroplane

Description: Patent for an aeroplane that uses centrifugal blowers to ensure a safe and practicable flight. Illustrations included.
Date: May 26, 1908
Creator: Judson, Fred I.

Agricultural Machine

Description: Patent for an agricultural machine that consists of a rotary cutter and a fixed horizontal cutter. Illustrations are included.
Date: May 9, 1916
Creator: Evans, Lucias S.

Air Brake Lock

Description: Patent for an air brake lock. Illustrations included.
Date: May 16, 1905
Creator: Mabry, Davis L.

Air-Brake Mechanism.

Description: Patent for "a new and useful air-brake mechanisms in relation to a pressure controller and distributer designed to perform the several independent and joint functions of a triple valve, a pressure-retaining valve, and a pressure relief or reducing valve."
Date: May 29, 1900
Creator: Dillander, John

Air Brush

Description: Patent for new and useful air brushes that are "intended for spraying paints, or colors, where it is desired to frequently change the color employed or to spray a combination of colors at the same time" (lines 16-20). Illustrations are included.
Date: May 30, 1916
Creator: Philibert, Joseph E.

Air-Pipe Coupling.

Description: Patent for an improved air-pipe coupling that is airtight and watertight and has a flexible union for railroad cars.
Date: May 2, 1893
Creator: Thomas, James Bryant

Air Pump.

Description: Patent for improvements in air pumps pertaining to their ability to inflate pneumatic tires.
Date: May 25, 1915
Creator: Messerli, John J.
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