Resource Type
Degree Department
Country
Distant Control Switch Socket For Electric Lights
Patent for an improved electric light control switch design meant to decrease the rate of energy consumption.
Date:
May 13, 1919
Creator:
Davis, James Mattison
System:
The Portal to Texas History
Differential
Patent for improvements in motor vehicle differentials by connecting axle sections to a worm gear.
Date:
February 11, 1919
Creator:
Brown, Charles Henry
System:
The Portal to Texas History
Device for Controlling Electric Current.
Patent for an improved device for controlling electric current. The device can control electric current from a generator specifically for the use in automobiles not to exceed a certain limit in high speed situations.
Date:
January 28, 1919
Creator:
Duke, Earle H. & Brown, James D.
System:
The Portal to Texas History
Device for Recovering Tools from Wells.
Patent for a device to lift and recover tools, such as drill-bits, that have been dropped or lost in wells. The device features two prongs that may be engaged to grip or secure in a "biting hold" (line 50) various objects, illustrations included.
Date:
September 9, 1919
Creator:
Scott, Augustus B.
System:
The Portal to Texas History
Derailer
This is a patent for a railway Derailer. This new derailer is less expensive, easier to manufacture, and will be an improvement over older models. For example, it is easier to attach to the rail track and more efficient at stopping railroad collisions.
Date:
April 22, 1919
Creator:
Gravis, James. C
System:
The Portal to Texas History
Dipping-Vat.
Patent for dipping vat used on live animals to remove insect infestation with a reduced risk of injury to the animal.
Date:
October 18, 1919
Creator:
Mullins, Thomas L.
System:
The Portal to Texas History
Four Wheel Drive Mechanism
Patent for giving engine power equally to all four wheels of a vehicle.
Date:
February 25, 1919
Creator:
Littlejohn, Lonzo B.
System:
The Portal to Texas History
Patch for Cotton Bales.
Patent for a patch for cotton bales. The invention provides a solution for the need to cut a slit in a cotton bale to see to the cotton's quality. This cotton bale patch serves as a way to fasten these slits in production to prevent loss or theft of the cotton product.
Date:
January 7, 1919
Creator:
Louis, Rube B.
System:
The Portal to Texas History
Device for Unscrewing and Withdrawing Pipe
Patent for "an improvement in devices for unscrewing and withdrawing pipe or casing from wells, mines, etc. or for other similar uses" (lines 11-14) including instructions and illustrations.
Date:
December 9, 1919
Creator:
Fletcher, Harold W.
System:
The Portal to Texas History
Dental Plate
Patent for an improved dental plate design that fits better in the mouth of the user and allows for easier speaking and eating.
Date:
May 20, 1919
Creator:
Glaser, Adolph J.
System:
The Portal to Texas History
Device for Making Vessels Invisible.
Patent for improvements in "air and water craft" (line 13) invisible including illustrations. These improvements include invisibility through "plurality of plates or sections" (lines 18-19) and diffuse light, disguising the vessels.
Date:
July 15, 1919
Creator:
Chaddick, Mark
System:
The Portal to Texas History
Cutting and Stepping Machine
Patent for a cutting and stepping machine meant to replace a human cutter.
Date:
May 6, 1919
Creator:
Moore, L. R.
System:
The Portal to Texas History
Mail-Box.
Patent for a modified mailbox that includes design specifications, and is intended for "rural" use (Honig, 1918, p. 2).
Date:
February 4, 1919
Creator:
Honig, Gustav
System:
The Portal to Texas History
Horse-Collar
Patent for improved horse-collars, which supposedly makes the collar less complex and more comfortable. The patent is intended for harnesses for horses, mules, and related animals.
Date:
September 16, 1919
Creator:
Mahone, Edwin W.
System:
The Portal to Texas History
Dehydrating Apparatus.
Patent for an improved food dehydrating apparatus, in which the air pressure in bins of items being dehydrated can be regulated individually, including illustrations.
Date:
October 28, 1919
Creator:
Taylor, Clarence R.
System:
The Portal to Texas History
Device for Forming Screens
Patent for a device for forming screens that consist of perforated pipes and screening wires, which will prevent displaced wires and torn pipes during use.
Date:
December 2, 1919
Creator:
Edwards, Charles R.
System:
The Portal to Texas History
Deep-Well Pump.
Patent for "new and useful Improvements in Deep-Well Pumps," (lines 5-6), including illustrations. An improvement on the inventor's previous patent (1013579), with the intention of preventing and removing sand accumulation while pumping oil.
Date:
August 19, 1919
Creator:
Andrews, Benjamin
System:
The Portal to Texas History
Device for Printing Blue-Prints
Patent for a new type of printing press for the printing of large blue-prints. It is to be a more effective method of printing large objects with a curved plate to provide a more continuous and effective result.
Date:
January 30, 1919
Creator:
Cooper, Christopher Columbus
System:
The Portal to Texas History
Derrick.
Patent for improvements to derricks, specifically those used on the decks of ships and other vessels, to prevent the structure from becoming entangled with fall ropes or cables during operation.
Date:
August 19, 1919
Creator:
Scanlan, Thomas J.
System:
The Portal to Texas History
Decapitator
Patent for improvements made to a previously issued patent that will improve speed and cost efficiency of creating decapitators.
Date:
1919
Creator:
Frank S. Rece
System:
The Portal to Texas History
Detachable Automobile Spring-Tire.
Patent for a detachable automobile leaf spring tire. This invention would provide a tire of simple construction with leaf springs and will have a secure connection of the inner and outer tire parts.
Date:
March 25, 1919
Creator:
La Bauve, Lillie W.
System:
The Portal to Texas History
Device for Unscrewing and Withdrawing Pipe.
Patent for a device for unscrewing and withdrawing pipe from wells, mines, or other similar uses. This tool is attached at the end of a drill stem and threaded in the ordinary right hand direction to unscrew and withdraw.
Date:
July 29, 1919
Creator:
Fletcher, Harold W.
System:
The Portal to Texas History
Differential Construction
Patent for "a new and Improved Differential Construction" (lines 5-6). "The object of the present invention is to provide a differential particularly suitable for motor vehicles... whereby the spinning of the wheels... is effectually prevented while the relative movement thereof necessary in passing around curves is freely allowed" (lines 22-31).
Date:
May 21, 1919
Creator:
Reagan, Edgar U. G.
System:
The Portal to Texas History
Demountable Wheel-Rim
Patent for Demountable Wheel-Rim. This invention relates to demountable and sectional wheel rims designed for use in connection with automobiles, motor trucks and motor vehicles of all kinds.
Date:
January 21, 1919
Creator:
Maupin, Frank L.
System:
The Portal to Texas History