UNT Libraries Government Documents Department - 95 Matching Results

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Process of Manufacturing Soap.

Description: Patent for an improved process designed "to lessen the time required for the manufacture of soaps and at the same time have all portions of a mass thereof of uniform character, also to make more soap from the same amount of fat or oils than is now done by the ordinary processes." (Lines 8-14) Includes instructions and illustrations.
Date: March 29, 1892
Creator: Grant, William A.
Item Type: Refine your search to only Patent

Ratchet-Wrench.

Description: Patent for a wrench that uses friction-rollers to clamp the thing that is being turned. A rotary ring-shaped cam is what actually turns the wrench's object, and there are teeth that surround the outside of the cam. A pawl, when turning the handle, turns the teeth. This is what makes the cam rotate.
Date: September 15, 1896
Creator: Fisk, Marston
Item Type: Refine your search to only Patent

Rotary Engine.

Description: Patent for a simply-constructed rotary, steam-powered engine that minimizes friction and noise, and for which wear is automatically compensated. It is "capable of running at a very low or high speed without subjecting the parts to any unusual strains or wear" (lines 16-18). One lever controls the steam supply and can reverse the movement of the engine cutting off.
Date: November 3, 1896
Creator: Wilson, Alonzo T.
Item Type: Refine your search to only Patent

Ruling Machine

Description: Patent for a new and useful improvements in ruling machines. This invention is to "provide a machine of this character by means of which engravers may cut horizontal, inclined, or circular lines into the plate, or draftsmen draw the same lines upon a sheet of drawing" (line 14-18).
Date: November 30, 1897
Creator: Owen, Thomas
Item Type: Refine your search to only Patent

Safety-Razor.

Description: Patent for new and improved safety razor, which will be similar to an ordinary razor, and "can be used either in its safety form or in the ordinary manner" (lines 15-16) including instructions and illustrations.
Date: July 20, 1897
Creator: Bradley, Richard Sherman.
Item Type: Refine your search to only Patent

Singletree Attachment.

Description: Patent for "an improved device on the end of a singletree to hold the end of a harness-tug" (lines 12-14). It has a stirrup-holder hinged to a ferrule, a handle, a stirrup, and a tug.
Date: December 31, 1895
Creator: Cawthon, Peter WIllis
Item Type: Refine your search to only Patent

Soap-Making Apparatus.

Description: Patent for improvements in soap-making apparatus by using the “same frames to mix the ingredients and in cooling the prepared mass, thus obviating the necessity of the removal of the mixed mass from the mixing-frame to a cooling-frame.” (Lines 11-15) Illustration
Date: August 18, 1891
Creator: Grant, William A.
Item Type: Refine your search to only Patent

Speed-Recorder.

Description: Patent for an improvement in speed-recorders or device meant especially for street-cars, meant to protect the streets from reckless driving. The machine punches tape, recording the time the trolly takes to travel each block and how long the trolly takes at each stop.
Date: May 5, 1896
Creator: Spence, James, Jr.
Item Type: Refine your search to only Patent

Stem for Tobacco-Pipes or Cigar-Holders.

Description: Patent for a stem for tobacco-pipes and cigar-holders designed to prevent nicotine from being inhaled. "The object in view is to provide a stem consisting of detachable members to facilitate cleansing when foul" (lines 11-14). The pipe is a serpentine shape and contains cotton filters in its crooks.
Date: September 29, 1896
Creator: Sjolander, Eric O.
Item Type: Refine your search to only Patent

Stock-Guard.

Description: Patent for a stock-guard meant for use in railway-tracks. It has many beveled caps, "each having a flange or projection on one side, and adapted to fit over the cross-ties" (lines 46-18). There are also slats, each with a flange on its upper edge, and the slats are arranged between the caps.
Date: November 10, 1896
Creator: Lee, Jacob Martin
Item Type: Refine your search to only Patent

Submarine Channel Protection.

Description: Patent for new and improved submarine channel protection. This design "consist[s] of two walls approximately parallel with each other extending across the sand-bar, and a barrier consisting of inclined wings extending from the side walls to the center of the channel, and a filling in rear of the wings" (lines 46-51).
Date: March 11, 1890
Creator: Mauermann, Albert J.
Item Type: Refine your search to only Patent

Type-Writing Machine

Description: Patent for improvements to typewriting machines with the aim of providing "a machine of simple and durable construction, capable of use for the ordinary purposes to which type-writers are applied, but especially adapted and designed for typewriting upon blank books, thereby facilitating the making of official records and producing records that are more legible and compact than it is possible to obtain by handwriting" (lines 11-18).
Date: June 14, 1892
Creator: Borden, William J. & Johnson, Jahu W.
Item Type: Refine your search to only Patent

Vine Cutter.

Description: Patent for a new and improved vine-cutter. This design "is to provide a suitable device . . . whereby a sweet-potato vine may be severed from the main stalk on each side of a ridge, the parts of the same being of simple and effective construction and operation" (lines 12-17). It consists in "a post or support, divergent elongated horizontally-arranged cutters secured to the opposite sides thereof and having their lower rear sides formed into cutting-edges of concave form, said cutters being def… more
Date: October 4, 1892
Creator: Francis, Samuel H.
Item Type: Refine your search to only Patent

Wheel For Bicycles.

Description: Patent for certain new and useful improvements in wheels for bicycles. This design is to "provide an improved tire for this purpose which is adapted to take the place of a pneumatic tire and to operate in a similar manner" (line 13 - 17).
Date: February 8, 1898
Creator: Bowley, James Deamess
Item Type: Refine your search to only Patent
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