Automatic Separating Device. (open access)

Automatic Separating Device.

Patent for an automatic separating device. This device operates with a link that connects the float level at the top of the tank with a valve handle at the bottom of the tank to control discharge from the tank.
Date: January 22, 1918
Creator: Allen, Charles
System: The Portal to Texas History
Dynamo-Electric Machine (open access)

Dynamo-Electric Machine

Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of commutation.
Date: January 10, 1922
Creator: Kuhn, Preston Holmes
System: The Portal to Texas History
Patent for Film Winding Attachment (open access)

Patent for Film Winding Attachment

Patent for film-winding attachment that allows for the exact number of rotations to wind film. This invention seeks to prevent unnecessary damage that excessive winding can do to film.
Date: January 6, 1920
Creator: Mansfield, Clarence H.
System: The Portal to Texas History
Irrigator (open access)

Irrigator

Patent for an irrigator used to treat piles (hemorrhoids) and similar diseases. A nozzle delivers liquid to wash the surface of the mucus coating of the afflicted area, and then drains the liquid without obstructing the flow of the liquid. Patent includes illustrations.
Date: January 18, 1921
Creator: Phillips, Edwin R.
System: The Portal to Texas History
Hot Water Heating System (open access)

Hot Water Heating System

Patent for an improvement to open fire water heating systems in buildings.
Date: January 12, 1917
Creator: McChesney, Louis P.
System: The Portal to Texas History
Spark-Arrester. (open access)

Spark-Arrester.

Patent for a spark aresster that is designed to prevent the discharge of sparks from a flue, particularly flues for small stoves used in army tents.
Date: January 27, 1920
Creator: Ashby, Bert A.
System: The Portal to Texas History
Packet-Holder. (open access)

Packet-Holder.

Patent for a packet holder used to wrap and tie a bundle of mail or letters made using a cord and clasp plate.
Date: January 27, 1920
Creator: Ashby, Bert
System: The Portal to Texas History
Snap Fastener (open access)

Snap Fastener

Patent for a snap fastener for fastening snap buttons, hooks, and eyes. Intended to replace the need for sewing fasteners onto garments, particularly women's dresses
Date: January 18, 1921
Creator: Warrington, Samuel W.
System: The Portal to Texas History
Grade-Indicator. (open access)

Grade-Indicator.

Patent for a grade indicator designed for land, air, and sea vehicles. It provides both lateral and longitudinal inclination with a simple construction.
Date: January 7, 1919
Creator: Shemeley, Jesse B. & Shemeley, Marion E.
System: The Portal to Texas History
Saw Gaging and Setting Tool. (open access)

Saw Gaging and Setting Tool.

Patent for saw gaging and setting tool designed to be a simple and efficient way to gage and set saws blades. The invention can also be used for truing saw teeth.
Date: January 20, 1920
Creator: Barger, Bernard J.
System: The Portal to Texas History
Horse-Power Apparatus. (open access)

Horse-Power Apparatus.

Patent for an improved horse-power apparatus for hay baling presses. "A pair of cables are arranged in frictional driving relation to one of which cables the house power is applied, while the other serves the purpose of communicating...to the baling press or other power-receiving parts".
Date: January 28, 1919
Creator: North, George W. & Andreas, H. M.
System: The Portal to Texas History
Low-Water Alarm For Boilers (open access)

Low-Water Alarm For Boilers

Patent for "improvements in low water alarms for steam boilers and more particularly to those which are operated by the heat from the steam in the boiler, after the water therein has fallen below a predetermined danger point" (lines 15-20).
Date: January 5, 1915
Creator: Anderson, Williamson D. & Shearer, Edward J.
System: The Portal to Texas History
Process of Producing Gas. (open access)

Process of Producing Gas.

Patent for a new method of making gas. The process is a simple and efficient method of making gas continuously, including illustrations.
Date: January 6, 1914
Creator: Hirt, Jules H.
System: The Portal to Texas History
Job Press Standardizer (open access)

Job Press Standardizer

Patent for job press.
Date: January 23, 1917
Creator: McMath, William S.
System: The Portal to Texas History
Excavator and Conveyer. (open access)

Excavator and Conveyer.

Patent for an excavator machine designed "to continuously excavate the ground at different elevations, as in ditching or cutting away embankments" (lines 15-18) including illustrations.
Date: January 6, 1914
Creator: Lee, James Milton
System: The Portal to Texas History
Railway-Switch (open access)

Railway-Switch

Patent for improvements in railway switches which are especially adapted for use on street railway tracks.
Date: January 20, 1914
Creator: Craig, Samuel A.
System: The Portal to Texas History
Windmill (open access)

Windmill

Patent for windmill
Date: January 30, 1917
Creator: MacEwen, Benjamin J.
System: The Portal to Texas History
Combination Filing Block and Sawing Board (open access)

Combination Filing Block and Sawing Board

Patent for jewelrs combination wood filing block, and a sawing board.
Date: January 9, 1917
Creator: Stillians, Harry E.
System: The Portal to Texas History
Electric Insact Trap. (open access)

Electric Insact Trap.

Patent for an electric insect trap that highly efficient trap for electrocuting house flies and similar insects, include illustrations.
Date: January 20, 1914
Creator: Craig, Samuel A.
System: The Portal to Texas History
Chimney (open access)

Chimney

Patent for a chimney. Illustration included.
Date: January 7, 1905
Creator: Palladino, Gaetano
System: The Portal to Texas History
Water Still (open access)

Water Still

Patent for a water still. Illustration included.
Date: January 29, 1907
Creator: Nenninger, Oscar Alfred
System: The Portal to Texas History
Letter-Tying Device (open access)

Letter-Tying Device

Patent for a package tie. Illustrations included.
Date: January 12, 1909
Creator: Greenwood, Bluford P.
System: The Portal to Texas History
Nut Lock (open access)

Nut Lock

Patent for a nut lock. Illustration included.
Date: January 22, 1907
Creator: Hodges, Amos J.
System: The Portal to Texas History
Scraper And Regulator (open access)

Scraper And Regulator

Patent for a scraper and regulator. This invention is for use with making bricks of ice-cream from different kinds of ice-cream into suitable molds, Illustration included,
Date: January 29, 1907
Creator: Young, Joseph H. & Young, George B.
System: The Portal to Texas History