Perforator. (open access)

Perforator.

Patent for an improved perforator that attaches to a multigraph and perforates sheets of paper that pass through the multigraph so the sheets can be separated into parts, with illustrations.
Date: May 8, 1917
Creator: Hahl, Harold D. & Lambert, James J.
Object Type: Patent
System: The Portal to Texas History
Rotary Disk Drill (open access)

Rotary Disk Drill

Patent for rotary disk drills with an illustration included. This drill is meant to be "efficient and strong and so arranged as to be inexpensive of manufacture and easily kept in serviceable condition." (lines 18-23)
Date: May 29, 1917
Creator: Hughes, Howard R.
Object Type: Patent
System: The Portal to Texas History
Rotary Core-Drill. (open access)

Rotary Core-Drill.

Patent for a rotary drill for drilling into and removing solid core samples of hard formations encountered in deep oil wells. It is designed to remove the core sample intact so the composition of the formation can be analyzed.
Date: May 1, 1917
Creator: Smith, Thomas B.
Object Type: Patent
System: The Portal to Texas History
Power Mechanism. (open access)

Power Mechanism.

Patent for a "simple mechanism for use in connection with a prime mover of any of the well known types using as a motive agent steam, oil, gas, electricity, etc." (lines 13-16). The mechanism is meant to increase efficiency by reducing the number of its components.
Date: May 29, 1917
Creator: Dominguez, Salvador
Object Type: Patent
System: The Portal to Texas History
Rail-Joint. (open access)

Rail-Joint.

Patent for a modification of a conventional rail joint, adding a solid abutment that allows for the use of conventional splice bars that "does not involve any appreciable increase in cost over the conventional rail joint" (lines 29-30). Includes Illustration.
Date: May 22, 1917
Creator: Baker, William E.
Object Type: Patent
System: The Portal to Texas History
Potato Curing Apparatus. (open access)

Potato Curing Apparatus.

Patent for a potato-curing apparatus that includes container that allows air to circulate around inside of it.
Date: May 8, 1917
Creator: Wells, James B.
Object Type: Patent
System: The Portal to Texas History
Matrix Molding Device (open access)

Matrix Molding Device

Patent for invention relating to the matrix molding device that is used in linotype or intertype or linecasting machines for molding printers' slugs. This invention is to provide devices by which type high printing slugs can be molded with printing surfaces of various designs.
Date: May 15, 1917
Creator: Markwell, Andrew E.
Object Type: Patent
System: The Portal to Texas History
Mold for Tubular Articles. (open access)

Mold for Tubular Articles.

Patent for an improved mold for making concrete tubular casings for dug wells with opposite grooves so the casings can be connected together when used, with illustrations.
Date: May 8, 1917
Creator: Schuettig, Emil A.
Object Type: Patent
System: The Portal to Texas History
Matrix Molding Device (open access)

Matrix Molding Device

Patent for matrix molding devices can be use in linotype or intertype or line casting machines for molding printers' slugs.
Date: May 15, 1917
Creator: Markwell, Andrew E.
Object Type: Patent
System: The Portal to Texas History
Mote-Board for Cotton-Gins. (open access)

Mote-Board for Cotton-Gins.

Patent for an invention that improves mote boards for cotton gins by causing the "impurities and dust thrown off by the centrifugal action of the brush to be conducted away by a dust passage" (lines 19-22).
Date: May 29, 1917
Creator: Wooldridge, James L.
Object Type: Patent
System: The Portal to Texas History
Method and Apparatus for Generating Motive Fluid (open access)

Method and Apparatus for Generating Motive Fluid

Patent for improvement in methods and apparatus for generating motive fluid "to provide a source of combustion" and dispose of it outside the generator to generate steam (lines 11-12).
Date: May 1, 1917
Creator: Reordan, Charles, E.
Object Type: Patent
System: The Portal to Texas History
Newspaper Holder (open access)

Newspaper Holder

Patent for a newspaper holder which may be eligible to hold other things, may be easily moved, and is cost-effective.
Date: May 22, 1917
Creator: Richter, Joseph
Object Type: Patent
System: The Portal to Texas History
Safety Device for Elevators. (open access)

Safety Device for Elevators.

Patent for an improved elevator safety device that engages the brakes should the cable break or engine become inoperable to bring the elevator to a gradual stop, with illustrations.
Date: May 15, 1917
Creator: Davis, John L.
Object Type: Patent
System: The Portal to Texas History
Drafting-Tool. (open access)

Drafting-Tool.

Patent for a drafting ruler that does not need to be turned end over end to be used.
Date: May 15, 1917
Creator: Faas, Walter
Object Type: Patent
System: The Portal to Texas History
Detergent Device. (open access)

Detergent Device.

Patent for a washing machine (detergent device) that contains a tank that can hold hand and cold water. This means that the device can be set to have either cold or hot water.
Date: May 8, 1917
Creator: Robinson, Olinthus B.
Object Type: Patent
System: The Portal to Texas History
Darby. (open access)

Darby.

Patent for a darby with detachable extensions for use versatility and easier transport.
Date: May 22, 1917
Creator: Plank, Samuel K.
Object Type: Patent
System: The Portal to Texas History
Fruit-Picker. (open access)

Fruit-Picker.

Patent for a fruit picker that allows the user to stand on the ground and separate fruit from its stem and that allows the fruit to fall in such a way as to prevent bruising. Additionally, the cutting teeth are adjustable.
Date: May 8, 1917
Creator: Young, Valner W.
Object Type: Patent
System: The Portal to Texas History
Cotton-Press Follower-Board (open access)

Cotton-Press Follower-Board

Patent for cotton baling press that provides a detachable follow block.
Date: May 8, 1917
Creator: Wuensch, Hearman & Pfeil, Otto
Object Type: Patent
System: The Portal to Texas History
Cotton-Threshing Machine. (open access)

Cotton-Threshing Machine.

Patent for a cotton threshing machine with wheels designed to be constructed in the cotton field and easily moved to different parts of the field.
Date: May 29, 1917
Creator: Patterson, Warren A.
Object Type: Patent
System: The Portal to Texas History
Fumigating Apparatus. (open access)

Fumigating Apparatus.

Patent for a fumigating device that is designed to kill rodents using sulfur dioxid. The device is designed so that the sulfur dioxid can be aimed by the user.
Date: May 8, 1917
Creator: Hawkins, Fletcher M.
Object Type: Patent
System: The Portal to Texas History
Composition of Matter for Treating Concrete Flooring (open access)

Composition of Matter for Treating Concrete Flooring

Patent for improvements to treating concrete flooring. The process described for mixing animal, mineral, and vegetable waxes to produce a treatment which renders already poured concrete floors (or other cement or stone) dustless and waxy to prevent disintegration of the floor's components.
Date: May 12, 1917
Creator: Annan, Alfred H.
Object Type: Patent
System: The Portal to Texas History
Worm Drive Mechanism for Windmill Engines (open access)

Worm Drive Mechanism for Windmill Engines

Patent is for improved wind mill drive shaft and reciprocating member called a "worm".
Date: May 16, 1917
Creator: Eller, Tom & Eller, Pernell D.
Object Type: Patent
System: The Portal to Texas History
Film Actuating Mechanism For Motion Picture Cameras. (open access)

Film Actuating Mechanism For Motion Picture Cameras.

Patent for useful improvement in Film Actuating Mechanism for Motion-Picture cameras and cinematograph motion picture cameras. This invention simplifies and improves on the construction and capacity of film.
Date: May 12, 1917
Creator: Gildersleeve, Fred E. & Trice, William L.
Object Type: Patent
System: The Portal to Texas History
Metallic Train-Pipe Connection. (open access)

Metallic Train-Pipe Connection.

Patent for metal pipes used to allow fluid to travel from train car to train car.
Date: May 12, 1917
Creator: Mooney, Thomas H.
Object Type: Patent
System: The Portal to Texas History