UNT Libraries Government Documents Department - 204 Matching Results

Search Results


Description: Patent for strong and durable standard for wagons that are adjustable to any size bolster.
Date: May 6, 1913
Creator: Cowart, Stephen A.


Description: Patent for improvements in plow mold-boards, specifically for shedding sticky soil, and includes illustrations and description.
Date: April 8, 1913
Creator: Martin, William A. & Coleman, Robert J.

Pneumatic Tire and Armor Therefor

Description: Patent for an armor for pneumatic tires. This armor allows the the tires to move freely and the replacement of the thread easily.
Date: April 15, 1913
Creator: Posey, James A.


Description: Patent for a more efficient air compressor with high and low pressure chambers formed of mating sections that can be detached to make repairs to the piston as necessary.
Date: April 1, 1913
Creator: Murphy, Edward


Description: Patent for improvements in vending machines including the simple and efficient delivery of vending articles and improvement in separation of articles served.
Date: August 5, 1913
Creator: Harris, Irvin F.

Antiskidding Vehicle Wheel-Tire.

Description: Patent for an antiskidding vehicle wheel tire that has tread structure which prevents slippage or skidding of the tires on wet or icy roads.
Date: July 15, 1913
Creator: Dees, Mark A. & Dees, Thomas M.


Description: Patent for washing machines with "roller-supporting frame for supporting the same either upon a horizontal surface or upon the top of a tub or receptacle in connection with which the machine is used" (lines 10-14) including illustrations.
Date: March 15, 1898
Creator: Smith, Henry E.


Description: Patent for certain new and useful improvements to wrenches for removing nuts from vehicle-axles.
Date: August 23, 1898
Creator: Haines, Samuel Alfred

Check - Book

Description: Patent for a new and useful improvements in check-book for " customer's use, such as are employed by banks for free distribution" (line 11 - 13).
Date: November 2, 1897
Creator: Exline, Marcus P.

Fire Alarm

Description: Patent for a new and useful automatic fire-alarm to "provide an improved alarm of this character especially designed for use in hotels and other large buildings having a large number of rooms" (line 8 -13).
Date: October 26, 1897
Creator: Staples, John & Spake, William H.

Check Book.

Description: Patent for an improvement to check books and covers.
Date: April 10, 1900
Creator: Exline, Marcus P.


Description: Patent for improvements “in axle-nut wrenches in which the wrench comprising an angular socket portion adapted to extend partially within the wheel-hub to engage the nut,” (lines 81-83) so that the nut may be unscrewed by rotating the wheel. Illustration is included.
Date: April 15, 1902
Creator: Haines, Samuel Alfred


Description: Patent for "a new and useful invention of hame-hook that can be easily and quickly applied to harness-hame." (line 5-10) including instructions and illustrations.
Date: June 5, 1900
Creator: Plumhoff, Edward


Description: Patent for "a new and useful improvements in bucksaws to provide a simple construction to secure the saw-blade detachably in position and to tighten the same to any degree of operation." (lines 5-10) including instructions and illustrations.
Date: June 12, 1900
Creator: Henry, Hugh


Description: Patent for a plumb-level with combined compass and line sights.
Date: November 24, 1903
Creator: Bradshaw, William B.


Description: Patent for an improved juice extractor including a way to remove the strainer for easy cleaning or replacement, a swivel for the handle, and an overall more efficient device.
Date: March 4, 1913
Creator: Williams, Winfield B.

Hydraulic Swivel.

Description: Patent for "a simple, compact, and efficient water-swivel for well-drilling machines, to reduce friction between the water-swivel and the drill-rod, and to provide certain novel and improved details of construction and arrangement." (lines 8-13).
Date: September 12, 1905
Creator: Embry, Leonard B.


Description: Patent for "an invention for tilting gates to materially simplify the erection of a gate for farm and other users and also render the gate sensitive and reliable in opening and closing movement by employing minimized operating mechanism." (lines 7-11).
Date: September 19, 1905
Creator: Connolly, Peter H.

Electric Switch for Street-Railways.

Description: Patent for switches used to electrically control street railways. Intended to allow the motorman to electrically control the switches of the track from the railway car without having to stop the train to turn the switch on the track.
Date: December 5, 1905
Creator: Posey, James A.


Description: Patent for improvements in horse-detachers to "increase their strength, durability and efficiency and to provide one adapted to enable a horse to be readily released from a pair of shafts and capable facilitating hitching and unhitching." (Lines 12-16). Illustration is included.
Date: October 29, 1901
Creator: Haines, Samuel A.

Cultivator and Planter.

Description: Patent for improvement to the "manner of mounting and adjusting the swinging frames [of planters], and to enable the said swinging frames to be readily adjusted vertically" (lines 12-15).
Date: November 6, 1900
Creator: Graves, Elbert G.

Vehicle-Body Construction

Description: Patent for improvements to vehicle body construction, particularly corner-irons. The design of the product claims to be simple, economical, and provide a compact and firm joint for the vehicle body. Illustrations included.
Date: January 9, 1906
Creator: Dowling, Stonewall J.

Steam Engine

Description: Patent for "useful improvements in Steam-Engines, of which the following is a specification" (lines 5-6). Includes description and illustrations.
Date: July 10, 1905
Creator: Murphy, Joseph F.


Description: Patent for an improvement to the plow that allows "for holding the plow-point firmly in position upon the standard or foot without the use of bolts and nuts." (Lines 10-13)
Date: January 15, 1907
Creator: Johnson, Thomas J.