UNT Libraries Government Documents Department - 38 Matching Results

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Boring-Tool for Oil-Wells and the Like.

Description: Patent for new and improved boring tools. The combined wheel bit and reamer is intended to simultaneously bore and ream.
Date: February 15, 1921
Creator: Belcher, Mark

Tool Joint

Description: Patent for a tool joint design.
Date: April 15, 1919
Creator: Fletcher, H. W.

Time-Switch.

Description: Patent for a time switch "which will be automatically operated to close the circuit and to open the circuit at predetermined times so that the translating devices in the circuit may be maintained energized for a predetermined length of time," (lines 10-15) including illustrations.
Date: January 15, 1918
Creator: Scholl, Max

Sample-Taking Device.

Description: Patent for a device that helps with sample collection at oil drilling sites. The tool is cylindrical and can be placed in the ground to help with sample collection. This patent includes examples of how the tool can be used and tool specifications.
Date: April 15, 1919
Creator: Church, Walter Lee

Railroad-Crossing Shock-Absorber.

Description: Patent for railroad crossings to protect the rails from contact with the vehicle wheels and to absorb the jar and vibration from passing vehicles over the crossing.
Date: June 15, 1920
Creator: Hargrave, Russell R.

Attachment for Cameras.

Description: Patent for an improved camera attachment for adding titles to film that prevents the film from being exposed to light except when the title is photographed, with illustrations.
Date: May 15, 1917
Creator: Bretz, George W.; Lowry, Claud A.; Wood, Oscar O.; Wade, J. H.; Pirtle, P. R.; Jones, F. E. et al.

Alarm Device.

Description: Patent for an alarm device "to be used in connection with a boiler and operatively connected with the steam whistle, whereby when the water falls below a certain level in the boiler the mechanism will automatically operate to blow the whistle" (lines 11-16). Includes instructions and illustrations.
Date: September 15, 1914
Creator: Priester, Joel E.

Rotary Boring-Drill.

Description: Patent for improvements to rotary boring drills.
Date: May 15, 1915
Creator: Hughes, Howard R.

Rotary Drill.

Description: Patent for a rotary drill that more effectively dislodges disintegrated material from the drill's cutting device during well-drilling.
Date: June 15, 1915
Creator: Hughes, Howard R.

Rotary-Disk Boring-Drill.

Description: Patent for improvements to rotary disk boring drills, including a "novel means for securely locking in the head the spindles on which the cutters are rotatably mounted."
Date: June 15, 1915
Creator: Hughes, Howard R.

Safety Device for Locomotives.

Description: Patent for a safety device for a locomotive that can be automatically tripped to shut off the steam from the locomotive engine and apply air to the brake mechanism. Includes instructions and illustrations.
Date: September 15, 1914
Creator: Conover, James W.

Cutter for Rotary Boring-Drills.

Description: Patent for an improvement to Hughes' previously patented rotary cutter design for oil drilling equipment (no. 930,759, 1909), to increase the cutting surface area and durability of the cutter.
Date: June 15, 1915
Creator: Hughes, Howard R.

Automobile Body.

Description: Patent for an automobile body that is designed for people who enjoy doing outdoor activities. Compares this design to the current design of what is called "touring cars."
Date: April 15, 1913
Creator: Saxon, Frank

Liquid or Gaseous Fuel Burner.

Description: Patent for a fuel burner with a simple design, which is readily taken apart or assembled, and is manufactured at a comparatively small cost.
Date: April 15, 1913
Creator: Vandaveer, Heber Clark & Stoy, Guy Everett

Fruit and Vegetable Washer

Description: Patent for a fruit and vegetable washer that will also remove the skins on the fruits and vegetables.
Date: April 15, 1913
Creator: Carpenter, John C.

Band-Cutter and Feeder

Description: Patent for a band cutter and feeder which cuts the bands that tie bundles of grain and feeds the grain into a threshing machine. Illustrations included.
Date: September 15, 1908
Creator: Richmond, George E.

Combined Board-Set and Nail-Driver

Description: Patent for a combined board set and nail driver that allows nails to be driven into wall boards without scarring the wood.
Date: August 15, 1911
Creator: Vaughan, Alonzo

Wire Winding Machine

Description: Patent for a wire winding machine. This invention is designed to place wire to support pipes. Illustrations included.
Date: May 15, 1906
Creator: Layne, Mahlon E.

Windmill Motor

Description: Patent for windmill motor. Illustration included.
Date: June 15, 1909
Creator: La Bauve, Valcoure J.

Well-Blower

Description: Patent for a well blower that is able to discharge the contents of a well at different air pressure levels. Illustrations included.
Date: December 15, 1908
Creator: McEvoy, Joseph H.

Indicator

Description: Patent for an indicator. This indicator if for the use with cars as a means for moving a belt that displays the name of streets. Illustration included.
Date: December 15, 1908
Creator: Bell, Harry M.
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