UNT Libraries Government Documents Department - 118 Matching Results

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Fishing Tackle.

Description: Patent for a new and improved fishing tackle. This design is "to provide a snaring device which will, so far as possible, insure a capture; to so arrange the hooks as to prevent a loss of bait, and to provide a device capable of ensnaring as many fish as may at the time of lifting the snare by nibbling at the bait. . . . the invention consists in a spacing-ring, preferably formed of lead or other heavy metal and having a central hub and having a series of hooks radiating from the tub and secure… more
Date: January 7, 1890
Creator: Mayer, Charles
Item Type: Refine your search to only Patent

Lock for Firearms

Description: Patent for a new and useful improvements in locks for firearms. This invention is to "provide a simple and effective lock mechanism for a firearm" (line 15-17).
Date: December 7, 1897
Creator: Oritciiett, James Clyde
Item Type: Refine your search to only Patent

Burial Apparatus.

Description: Patent for certain new and useful improvements in "a burial device adapted particularly for use as a cemetery hearse and also for depositing the casket in the grave" (line 12 - 15).
Date: June 7, 1898
Creator: Thorne, Richard Hamilton
Item Type: Refine your search to only Patent

Carrier for Game

Description: Patent for new and improved carrier for game. "The purpose of the invention is to provide a very light, simple, durable, economic, and effective device for carrying game adapted to be worn across the shoulder and which is held in place simply by the weight of the load". (lines 8-13). Includes description, instructions, and illustrations.
Date: March 7, 1906
Creator: Paul, James Mount
Item Type: Refine your search to only Patent

Pulverizing or Grinding Machine

Description: Patent for an improved, efficient pulverizing or grinding machine. Primarily used for pulverizing or grinding limestone and used is assistance with manufacturing cement, this improved machine focuses on a larger output through improvements in the cycling of surplus air.
Date: April 7, 1914
Creator: Steckle, Edward J.
Item Type: Refine your search to only Patent

Caustic-Soda Process.

Description: Patent for mixing anhydrous sodium-sulfate with saw dust, heating the mixture in a furnace to 880 degrees Celsius and letting it partially cool. This process will convert the sodium-sulfate to sodium sulfide which when combined with the saw dust creates a liquid which will not oxidize because of the saw dust. The saw dust prevents the mixture from becoming volatile. When lime is added to the mixture then caustic soda is created.
Date: September 7, 1915
Creator: Hirt, Jules Hector
Item Type: Refine your search to only Patent

Cab-Signal and Automatic Stop

Description: Patent for a cab-signal and automatic stop that "relates to railway safety appliances and has particular reference to signals carried preferably within the locomotive cab." (lines 9-12) includes instruction and illustrations.
Date: November 7, 1916
Creator: Bulla, Melbern Bernie
Item Type: Refine your search to only Patent

Grade-Indicator.

Description: Patent for a grade indicator designed for land, air, and sea vehicles. It provides both lateral and longitudinal inclination with a simple construction.
Date: January 7, 1919
Creator: Shemeley, Jesse B. & Shemeley, Marion E.
Item Type: Refine your search to only Patent

Projecting-Machine.

Description: Patent for improvements to a projector that relate to advertising. The inventor references adjustments to a previous patent, No. 1069521 from August 5, 1913. Adjustments include making the device more accurate and reliable, and to adapt it to be able to display opaque surfaces, postcards, and other printed items during any time of day. Additionally, the revoluble slide magazine has a mechanism that allows it to operate continuously without assistance from the operator.
Date: October 7, 1919
Creator: Bernard, Oscar C.
Item Type: Refine your search to only Patent

Foldable Hacksaw.

Description: Patent for a foldable hacksaw, including illustrations. The foldable hacksaw is "of rigid construction, at the same time being foldable...so that it may be readily carried in the pocket" (lines 13-16).
Date: June 7, 1921
Creator: Barner, Lawrence Dunston
Item Type: Refine your search to only Patent
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