UNT Libraries Government Documents Department - 129 Matching Results

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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.
Item Type: Refine your search to only Patent

Artificial Leg.

Description: Patent for an artificial leg that has an improved ankle joint and a socket for the stump. It is also more comfortable than other artificial legs.
Date: February 12, 1895
Creator: Chapman, Edward
Item Type: Refine your search to only Patent

Attachment for Penholders.

Description: Patent for a simple and effective attachment for penholders. It is "readily and easily attached to a penholder, and which is adapted to protect the fingers of the hand and prevent them from coming in contact with the pen or with the inked portion of the holder" (lines 15-19).
Date: November 12, 1895
Creator: McDonald, Michael Shaw
Item Type: Refine your search to only Patent

Automatic Blast-Generator.

Description: Patent for "a new and improved automatic blast-generator designed for the use of jewelers, dentists, and other persons, and arranged to produce a steady and uniform blast and to permit of increasing or decreasing the force of the blast as required, according to the nature of the work on hand." (Lines 9-16) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Sidwell, Aaron M., Jr.
Item Type: Refine your search to only Patent

Automatic Track Sweeping and Oiling Attachment for Street-Cars.

Description: Patent for improvements in automatic track sweeping and oiling attachments to street cars by having a transverse shaft carries a hub which has a series of brushes. When “the street car moves forward, the brushes on the transverse shaft are revolved, which sweep the rails and keep them clean.” (Lines 90-93) Illustration is included.
Date: May 12, 1891
Creator: Nesmith, Robert Henry
Item Type: Refine your search to only Patent

Bale-Box Attachment.

Description: Patent for improvements in cotton-presses, in which “it comprises two presser-rollers between which the cotton as it comes from the gin, is compressed, yielding bearings for one of the said presser-rollers, two guard-bars, one for each presser-roller, to prevent the cotton being carried out by the rollers, the ends of the guard–bars being threaded to receive nuts by means of which the attachment is clamped to the baling-box, and a conveyer to transfer the cotton from the gin to the said rollers… more
Date: May 12, 1891
Creator: Sanders, William
Item Type: Refine your search to only Patent

Bale-Tie Machine.

Description: Patent to for a machine to make and count bale-ties, "...to manufacture at small cost machines which will be compact, not taking up much space, and which will e simple in construction and durable" (lines 10-13). It includes an extensive explanation and illustrations.
Date: October 12, 1897
Creator: Harry, Owen K.
Item Type: Refine your search to only Patent

Baling-Press.

Description: Patent for a baling press that holds the material in the press while it is being formed into a bale. It consists of a frame with notches in the back, a resistance bar that pivots across the back of the frame, a latch that holds the bar in place, and a pin to pin the bar to the latch.
Date: December 12, 1893
Creator: Mealer, James A.
Item Type: Refine your search to only Patent

Boot Upper.

Description: Patent for a new and improved boot upper. This design "relates to improvements in boots for use by lumbermen, laborers, miners, and others requiring a stout heavy boot capable of withstanding great strain, water-tight, and durable" (lines 7-11). It "consist[s] of a front and rear section, each of said sections being made in one piece and the edges of the rear section doubled over upon themselves and having their edges secured to the edges of the front section by edge stitches passing through sa… more
Date: July 12, 1892
Creator: Baker, Oscar
Item Type: Refine your search to only Patent

Bridle.

Description: Patent for "improved means for detachably connecting blinds to bridles, whereby the bridle may be used with or without the blinds," and also "to provide a combined double box-loop and blind." (Lines 13-17) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Mayes, David H.
Item Type: Refine your search to only Patent

Car-Brake.

Description: Patent for a car brake that has independent brake shoes and brake pressure is equally applied to all the wheels of the truck. The invention is meant to "obtain in a car brake of this class a central transmission of the applied brake power to the different groups of brake mechanism whereby the brake power is distributed equally to each wheel and the brakes are not only rendered more stable and certain in their operation, but are better adapted for the application of either hand or air brake or p… more
Date: December 12, 1893
Creator: McGee, James
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "relates to car-couplings, more especially of that class known as 'swing-pins;' and the object of the invention is to provide a swinging weight which will press the pin normally into operative position, and which will also support the link" (lines 7-12).
Date: August 12, 1890
Creator: Bass, Alonzo T.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "[a] car-coupler having a hook formed thereon . . . an open recess in the rear thereof, pins or projecting supports adjacent to the recess . . . a trigger pivoted to the coupler and projecting beyond the hook, so as to support the link . . . independent of the coupler and adapted to pass over the hook" (lines 64-75).
Date: August 12, 1890
Creator: Richardson, Samuel T.
Item Type: Refine your search to only Patent
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