UNT Libraries Government Documents Department - 14 Matching Results

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Journal-Box Oil-Cup

Patent for an oil cup for lubricating journal boxes. Illustrations included.

Date: September 24, 1912

Creator: Alexander, Colwell Hyman

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

Drilling-Machine

Patent for a rotary drilling machine for drilling oil wells that has a stronger grip than previous drills.

Date: August 6, 1912

Creator: Black, Lee J.

Item Type: Patent

Wire-Winding Machine

Patent for a wire winding machine for making well screens.

Date: August 20, 1912

Creator: Eastham, Albert Lindsay

Item Type: Patent

Roundabout Swing

Patent for a roundabout swing. Illustrations included.

Date: November 12, 1912

Creator: Jones, Oliver P.

Item Type: Patent

Air-Craft Propeller

Patent for an air craft propeller that reduces air resistance.

Date: October 8, 1912

Creator: Koiw, Julius

Item Type: Patent

Apparatus for Treating Granular Materials

Patent for an apparatus for treating granular materials. Illustrations included.

Date: October 29, 1912

Creator: Lanaux, Alfred A.

Item Type: Patent

Roundabout

Patent for a roundabout ride with an improved method of turning the seats and the seat holder.

Date: July 23, 1912

Creator: Mayhew, Nathaniel L.

Item Type: Patent

Grain-Door for Cars

Patent for a door for grain containers. Illustrations included.

Date: February 20, 1912

Creator: Miller, Rudolph Charles

Item Type: Patent

Plunger.

Patent for a plunger for use in pumps and air compressors that fits tightly into the cylinders of the machine.

Date: February 27, 1912

Creator: Ohmstede, August

Item Type: Patent

Utilizing Sulfur-Containing Petroleum.

Patent for a method of removing sulfur from Beaumont petroleum and converting it into sulfuric acid.

Date: February 20, 1912

Creator: Robinson, Clarence I.

Item Type: Patent

Water-Wheel

Patent for a water wheel adapted for use in running machinery such as pumps. It uses a series of connected buckets mounted to turn on an axle, alternately charging the buckets with water.

Date: January 30, 1912

Creator: Verde, Giuliano

Item Type: Patent

Rail-Joint

Patent for a rail joint that locks securely and will not sag.

Date: April 30, 1912

Creator: White, John

Item Type: Patent

Combined Harrow and Roller

Patent for a combined harrow and roller for pulverizing and eliminating unwanted growth from the ground. Illustrations included.

Date: April 9, 1912

Creator: Younger, Walter E.

Item Type: Patent

UNT Libraries Government Documents Department - 14 Matching Results

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Journal-Box Oil-Cup

Ice-Making Apparatus

Drilling-Machine

Wire-Winding Machine

Roundabout Swing

Air-Craft Propeller

Apparatus for Treating Granular Materials

Roundabout

Grain-Door for Cars

Plunger.

Utilizing Sulfur-Containing Petroleum.

Water-Wheel

Rail-Joint

Combined Harrow and Roller