UNT Libraries Government Documents Department - 21 Matching Results

Search Results

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.

Cotton-Harvester.

Description: Patent for a cotton harvesting machine used for gathering the cotton from the plant, stripping the bolls or pods, and cleaning the cotton in one continuous operation during the traction of the harvester over a cotton field. This cotton harvester has a rotary picking member disposed forwardly and grabbing arms disposed rearwardly of the rotary picking arms. These rotary picking members are used for receiving the cotton gathered by the said picking arms and depositing it between two vertically … more
Date: July 30, 1918
Creator: Berry, Louis J.

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.

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

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.

Peanut-Harvester.

Description: Patent for a new, mobile harvesting machine designed to uproot, clean, and pile agricultural products that grow underground, including illustrations.
Date: April 30, 1918
Creator: Green, Zedekiah W., Sr. & Green, Zedekiah W., Jr.

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.

Ring-Mandrel

Description: Patent for "new and useful improvements in ring mandrels, for use in shaping up and rounding and dressing bands of different diameters &c., &c." lines 15-18
Date: April 30, 1918
Creator: Hinson, James

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.
Back to Top of Screen