UNT Libraries Government Documents Department - 304 Matching Results

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Hotel Office Dinkey

Patent for an hotel office dinkey. Illustration included.

Date: July 31, 1906

Creator: Browder, Henry Worden

Item Type: Patent

Hydraulic-Drill

Patent for an improved hydraulic drill to penetrate and bore holes into earth, clay and similar materials, including illustrations.

Date: August 11, 1903

Creator: Higgins, Pattillo

Item Type: Patent

Hydraulic Drill

Patent for a hydraulic drill. This invention is a class of drill for deep drilling that delivers water to the bottom of the opening.

Date: August 11, 1903

Creator: Higgins, Pattillo

Item Type: Patent

Hydraulic Swivel.

Patent for "new and useful improvements in hydraulic swivels" (lines 1-6).

Date: January 16, 1906

Creator: Wiggs, James A., Jr.

Item Type: Patent

Patent for the hydraulic swivel. This is an improvement to the hydraulic swivel that already exists. It involves "the rotary well-drilling machines, to permit the flow of water to the point of the drill." (Black)

Date: December 1, 1914

Creator: Black, Lee J.

Item Type: Patent

Hydraulic Swivel

Patent for a new and useful improvement in hydraulic swivels by simplifying the structure and making the device more efficient and reliable.

Date: March 7, 1922

Creator: Black, Lee J.

Item Type: Patent

Hydraulic Swivel.

Patent for a hydraulic swivel valve, to allow water to flow to the drill stem for purposes of cooling and lubrication.

Date: March 22, 1921

Creator: Black, Lee J.

Item Type: Patent

Hydrocarbon-Burner.

Patent for a hydrocarbon burner for stoves, which stores and feeds the hydrocarbon to the stove.

Date: August 4, 1908

Creator: Callihan. Willie H.

Item Type: Patent

Ice Hook

Patent for an ice hook.

Date: May 3, 1904

Creator: Ball, Thomas J.

Item Type: Patent

Ice-Making Apparatus

Patent for an ice-making apparatus that both cools the brine and makes the ice.

Date: December 31, 1912

Creator: Bell, Samuel Robert

Item Type: Patent

Ignition-Tube Heater

Patent for "fire prevention, or explosions, by gas or oil surrounding the heater of the ignition-tube of a gas engine." (lines 11-14) including illustrations.

Date: August 10, 1915

Creator: Kincade, Elmer C.

Item Type: Patent

Improvement in Drawing Off Tallow, Lard &c., from Rendering-Tanks.

Patent for a new method for drawing off tallow, lard, etc. from pressure tanks by introducing water. This includes illustrations.

Date: June 7, 1870

Creator: Archer, John H.

Item Type: Patent

Improvement in Jack-Screws and Clamps Combined.

Patent for an invention "to combine a jack-screw or lifting-jack with a clamp, so that they may be interchangeably used." (Lines 19-21) Includes instructions and illustrations.

Date: May 20, 1873

Creator: Jackson, Thomas R.; Jackson, Asberry C. & Watson, Claudius S.

Item Type: Patent

Improvement In Percussion-Shells.

This patent was created for individuals to be able to hit an object with the instrument and the oject immediately explodes on impact. It then produces an excessive amount of explosions. The invention is made out of shells with sections assembled together infused with different substances, and connected by a fuse.

Date: April 9, 1878

Creator: Urquhart, John M.

Item Type: Patent

Improvement in Shingle-Bolting Machines.

Patent for a shingle-bolting machine.

Date: December 1, 1874

Creator: Fletcher, William A.

Item Type: Patent

Improvement in Windmills

Patent for the improvement of wind mills, that includes a detailed description as well as labeled figure drawings.

Date: May 20, 1873

Creator: Jackson, Thomas R.

Item Type: Patent

Improvements in Apparatus for Concentrating Acid

Patent for an apparatus for concentrating acid. This apparatus relates to concentrating weak acid taken from petroleum sludge.

Date: October 10, 1911

Creator: Gray, Elisha Burritt

Item Type: Patent

Improvements in Burners

Patent for improvements for burners. It is related explicitly to hydrocarbon burners. Its purpose is to keep the oil and steam separate as they leave the burner by keeping them in two separate streams.

Date: June 19, 1918

Creator: Trahan, Clair A

Item Type: Patent