UNT Libraries Government Documents Department - 3,160 Matching Results

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Acetylene-Gas Generator.

Description: Patent for a new and useful improvement in acetylene gas generating and storing apparatus to "provide a simple, compact, and economical means for automatically said gas" (line 10 - 13).
Date: September 19, 1899
Creator: Bryant, Henry

Adding-Machine.

Description: Patent for an adding-machine meant to "add fixed amounts of money received or to calculate the number of days a laborer has worked or the number of fractions of days" (lines 14-17). Mounted keys have mechanisms that rotate a ratchet wheel or disk. "Secured to the shaft upon which this ratchet wheel or disk is mounted is a rate-indicator, consisting of a disk divided off into radial sections, and also divided by lines running parallel to the circumference of said disk, dividing the same up into sections, which indicate money advanced on pay-roll, addition column, total amount at a fixed rate, and the number of days worked by any workman" (lines 25-34).
Date: August 27, 1895
Creator: McElyea, James L.

Adding-Machine.

Description: 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.

Adding-Machine

Description: Patent for "a simple, cheap, and efficient device of this character which may accomplish with facility and case all the purposes for which it is intended" (lines 13-16).
Date: June 7, 1892
Creator: Wright, Joseph W.

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. (Lines 50-62) Illustration is included.
Date: May 12, 1891
Creator: Wright, Joseph W.

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 compactly placed in an appropriate receptacle attached to the front of a mantel or to a wall above a fireplace" (lines 16-29).
Date: May 3, 1892
Creator: Gibson, Nathaniel B.

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 Pipe-Wrench.

Description: Patent for an adjustable pipe wrench "in which the opposing jaws of the wrench are maintained at an angle to each other, so hat they converge toward their extremities, thus enabling a firmer hold to e obtained upon the pope or other article to be gripped by said jaws." (Lines 15-20) Includes instructions and illustrations.
Date: July 20, 1897
Creator: Fauver, Addis E.

Adjustable Rack for Railway-Cars.

Description: Patent for improvements on racks in railway-cars including more storage for smaller items, an adjustable rack for children or elderly persons to be able to reach without needing to stand on the car seat, a titled hinge that allows a rack to be pulled for ward and pushed back, and other improvements.
Date: August 2, 1898
Creator: Butler, Michael

Adjusting Device for Compressing-Rolls.

Description: Patent for adjusting devices for compressing rolls which “employed for compressing into a continuous thin sheet cotton fiber; and the objects in view are to provide a simple and convenient means for binding the rolls in contact, and when so bound to prevent any undesired yielding.” (Lines 10-15) Illustration is included.
Date: June 16, 1891
Creator: Goldthwaite, Joseph G.

Advertising Device.

Description: Patent for "a simple and inexpensive advertising device adapted to be placed on street corners and other public places and capable of exciting the curiosity and attracting attention, and thereby directing the attention of persons to the advertisement" (lines 11-16).
Date: March 20, 1894
Creator: Attaway, Henry F.

Advertising-Fan.

Description: Patent for "an attractive sign, which by reason of its revolutions will receive notice from the general public and illustrate business cards or signs, and furthermore to operate the same by and in conjunction with a fan, such as is commonly used in public places." (Lines 15-20) Includes instructions and illustrations.
Date: April 30, 1895
Creator: Lo Casto, Tony