UNT Libraries Government Documents Department - 194 Matching Results

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Comb-Cleaning Device

Description: Patent for a comb-cleaning device which can be "secured to a wall, wires or cords being strung upon the bracket so that a comb may be stroked thereacross and cleaned &c., &c." lines 16-19
Date: April 30, 1918
Creator: Buchorn, Ben A.
Item Type: Refine your search to only Patent

Cane-Stripper.

Description: Patent for cane stripper with v-shaped opposing spring jaws and double cutting edges on its blades. Its simple construction can be created at a low cost and then be sold for profit.
Date: April 30, 1918
Creator: Haynes, Robert J.
Item Type: Refine your search to only Patent

Cotton-Picker's Knee-Pad.

Description: Patent for Cotton-Picker's Knee-Pad. "This invention relates to pads and particularly to a new, useful, simple and practical knee pad especially designed fo use by cotton pickers." (line 2)
Date: April 30, 1918
Creator: Boynton, Willie A. & Terrell, George A.
Item Type: Refine your search to only Patent

Clamp for Spirit-Levels.

Description: Patent for clamps for spirit levels that allow a spirit level to be attached directly to a straight edge so that one person could safely use both the straight edge and the spirit level simultaneously. Additionally, the clamp production is simple so it can be produced at a low cost.
Date: April 30, 1918
Creator: Bridgman, Jesse Everet
Item Type: Refine your search to only Patent

Indicator for Vehicles.

Description: Patent for a device for vehicles which can signal turns and stops. Designed to be used in place of the driver's hand, this device consists of indicator arms mounted of either side of a vehicle and button controls placed near the driver's seat. Illustrations included.
Date: December 30, 1919
Creator: Hutchison, William F., Sr.
Item Type: Refine your search to only Patent

Tunneling-Machine.

Description: Patent for a tunneling machine that has the ability to easily change course and utilizes a conical shaped shell to receive loose earth and convey it towards the mouth of the tunnel. The invention also has a rotating head connected to the carrying vehicle meaning that the machine is supported and driven forward against the tunnel as it is cut away.
Date: December 30, 1919
Creator: Dana, Frank L.
Item Type: Refine your search to only Patent

Water-Gage.

Description: Patent for a water-gage measuring the height or volume of water in a steam boiler, particularly those "held closed by the weight of the operating handle" (lines 11-12). The device is designed for simple manufacture and easy assembly & disassembly without tools, and features a valve seat that stays in place, illustrations included.
Date: December 30, 1919
Creator: Leidecker, Helmoth M.
Item Type: Refine your search to only Patent

Well-Casing Grapple

Description: Patent for a well-casing grapple, allowing a positive grip when lowering casing or pipe within a well, or withdrawing it therefrom, without the danger of slipping or accident.
Date: April 30, 1918
Creator: Artzt, Erich C.
Item Type: Refine your search to only Patent

Pump.

Description: Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date: September 30, 1919
Creator: Graf, Sydney H.
Item Type: Refine your search to only Patent

Pump

Description: Patent for a new form of pump developed by Granville A. Humason. This pump is an improvement of prior models, intended to be "adaptable for many different uses, but which will be simple and durable in structure" (lines 14-18).
Date: December 30, 1919
Creator: Humason, Granville A.
Item Type: Refine your search to only Patent

Gate Latch

Description: Patent for "new and useful Improvements in Gate-Latches...fastening means designed more especially for farm gates and which may be used to advantage in swinging closures of any type and for any desired purpose." [lines 5-12]
Date: December 30, 1919
Creator: McKnight, Sam B.
Item Type: Refine your search to only Patent

Elevator Signal System

Description: Patent for an elevator signal system that can be installed in elevators which indicates "the floor positions of all the cars as well as the car carrying the indicator" (lines 10-12), including illustrations.
Date: July 30, 1918
Creator: McNabb, Alvin C.
Item Type: Refine your search to only Patent

Drill-Bit.

Description: Patent for improvement to drill-bits. The object of the invention is to provide a bit of the character described which is especially adapted for deep well drilling by the rotary process.
Date: December 30, 1919
Creator: Humason, Granville A.
Item Type: Refine your search to only Patent
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