8 Matching Results

Search Results

Results: 1 - 8

Valve for explosive-engines.

Description: Patent for an improved valve for use in explosive engines which lists the movements of various parts in order to allow air and fuel to mix and explode.
Date: February 2, 1914
Creator: Ray, Albert J.
Partner: UNT Libraries Government Documents Department

Improvement to Elevator Signal Systems

Description: Patent for an improvement to an elevator in which “to provide an elevator signal system that will permit a party at any landing to indicate his desire to go up or down to the elevator operator by pressing one of two buttons” (lines 10-15). Instructions and illustration included.
Date: February 2, 1915
Creator: Johnson, Charles S.
Partner: UNT Libraries Government Documents Department

Improvement for Cotton Chopper

Description: Patent for improvement for cotton choppers “so that the operator may regulate the depth of cut, and may shift the cutting member forward or back” (lines 18-20). Instructions and illustration included.
Date: February 2, 1915
Creator: Finch, Arthur M.
Partner: UNT Libraries Government Documents Department

Process of Making Round-Bottomed Paper Bags.

Description: Patent for a process to quickly assemble a round-bottomed paper bag economically in regards to labor and waste paper.
Date: February 2, 1915
Creator: Johnston, Leila M.
Partner: UNT Libraries Government Documents Department

Photographic Copying Apparatus

Description: Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Date: February 2, 1915
Creator: Gregory, Oscar T. & Carkhuff, Norman W.
Partner: UNT Libraries Government Documents Department

Educational Souvenir.

Description: Patent for an educational souvenir. This object is intended to educate and amuse audiences.
Date: February 2, 1915
Creator: Potts, Stacy
Partner: UNT Libraries Government Documents Department

Apparatus for Building Circular Walls and Means for Adjusting the Apparatus.

Description: Patent for a "scaffold adjusting apparatus, and particularly to means for elevating and lowering scaffolds for building circular wills or silos, circular tanks, smoke stacks, and similar circular walls "(lines 10-14), including illustrations.
Date: February 2, 1915
Creator: Nash, Alexander Q.
Partner: UNT Libraries Government Documents Department

Combined Andirons and Grate

Description: Patent for a combined andiron and grate that can be used with or without the grate attachment. The grate is adjustable to maintain variable fire depths and has "a swinging bracket for heating and cooking."
Date: February 2, 1915
Creator: Wilderspin, Alfred K.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen