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Railroad-Switch
Patent for a railroad switch that is easier to use and more effective than the "common stub switch" (lines 10-11), thereby reducing damage.
Date:
December 16, 1919
Creator:
Cuellar, Samuel D.
System:
The Portal to Texas History
Automobile Bed-Rack.
Patent for a bed rack (bed roll) located at the rear of a car so that once the car cushions have been placed to form a mattress, the bed roll can be unwound to stretch and cover the cushions providing bedding and covering.
Date:
December 23, 1919
Creator:
Turner, John S.
System:
The Portal to Texas History
Pipe-Wrench.
Patent for the improvement of pipe wrenches necessary for use in well drilling or other circumstances where a wrench of strong construction is needed. This patent provides for a pipe wrench that can be easily adjusted to fit pipes of differing sizes and is easily manipulated for use regardless of direction.
Date:
December 9, 1919
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History
Attachment for Automobile Headlights
Patent for an automobile headlight attachment capable of horizontal rotation.
Date:
December 2, 1919
Creator:
Tripp, J. C.
System:
The Portal to Texas History
Railway Gate.
Patent for "improvement in gates and has particular reference to a railway gate employed as a cattle guard" (lines 12-14)
Date:
December 30, 1919
Creator:
Norman, Cornelius A.
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
Galvanizing Process.
Patent for a galvanizing process which simplifies the galvanizing of small articles such as bolts, nails, or the like.
Date:
December 9, 1919
Creator:
Watrous, Edward L.
System:
The Portal to Texas History
Sample-Taking Device
Patent for a sample taking device "for use in preserving the log of the well in drilling operations in earth, rock or other similar formations." (lines 12-14). Specially adapted for use in drilling wells for oil and sulfur, specifically in the Gulf Coast region.
Date:
December 9, 1919
Creator:
Carmichael, Robert E. & Hamman, George
System:
The Portal to Texas History
Signal Apparatus.
Patent for new and useful improvements to the Signal Apparatus of motor vehicles.
Date:
December 23, 1919
Creator:
Wetter, Ralph E.
System:
The Portal to Texas History
Rotary Boring-Drill.
Patent for "new and useful Improvements in Rotary Boring-Drills...of the collapsible type." (lines 5-12) including instructions and illustrations.
Date:
December 30, 1919
Creator:
Humason, Granville A.
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
Apparatus for Sulfur Mining
Patent for "new and useful improvement" for sulfur mining by Mr. Robert Carmichael. This device has particular application for mining in subterranean environments, "by use of pumping a heated fluid down into contact with a sulfur strata" (lines 14-15).
Date:
December 9, 1919
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History
Agricultural Machine.
Patent for an agricultural machine, a frame structure that can hold multiple types of agricultural devices and allows for the proper adjustment and manipulation of said devices without changing the frame's structure.
Date:
December 30, 1919
Creator:
Northcutt, John & Crawford, Miner
System:
The Portal to Texas History
Dental Instrument.
Patent for an improved dental instrument with a pointer and plunger combination to precisely locate the opening of the root canal and fill it effectively. The simple construction with few parts efficiently produces a compact tool with low production costs.
Date:
December 23, 1919
Creator:
Payne, David H.
System:
The Portal to Texas History
Lawn Swing
Patent for an improved version of a Lawn Swing that is easily constructed and weather resistant, including illustrations.
Date:
December 12, 1919
Creator:
Galipp, Herman C.
System:
The Portal to Texas History
Cross-Roller Drill-Bit
Patent for an improvement upon a prior patent for a rolling drill cutter. The drill bit is designed with several rotating saw like structures which assist in the drilling process.
Date:
December 27, 1919
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Rotary Boring-Drill.
Patent for a rotary boring drill that will "provide a cutting surface for the cutter" (lines 20-21) for drilling wells, particularly "roller cutters of the cone type used in drilling rock of other hard formation." (lines 13-15)
Date:
December 23, 1919
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Dental Implement
Patent for a dental implement that features a tool useful for dentists when filling teeth and also is adapted to contain filling material for instant availability and use during dental procedures.
Date:
December 2, 1919
Creator:
Edwards, Walker A. Jr.
System:
The Portal to Texas History
Bell-Holder
Patent for a bell holder that attaches to the neck of an animal, prevents loss of the bell, and is easy to use and cheap.
Date:
December 9, 1919
Creator:
Pappas, Peter G.
System:
The Portal to Texas History
Bevel-Square
Patent for improvements in bevel squares used by carpenters, mechanics, and other similar work to represent the work of multiple bevels at once "to minimize and facilitate operations in fitting the parts of an objective structure together..." (Lines 19-21).
Date:
December 9, 1919
Creator:
Seay, Mathew E.
System:
The Portal to Texas History
Dirigible Headlight
Patent for new design for dirigible headlights by Mr. Hall B. Simpson and Mr. Dewitt Hood, designed with the intention of providing "novel and improved means whereby the headlights are supported by the automobile or other vehicle for turning movement about vertical axes," alongside various innovative applications (lines 23-27).
Date:
December 16, 1919
Creator:
Simpson, Hall B. & Hood, Dewitt
System:
The Portal to Texas History
Drill-Bit.
Patent for improvement to drill-bits. The object of the invention is to provide a bit of the character described which is especially adapted for deep well drilling by the rotary process.
Date:
December 30, 1919
Creator:
Humason, Granville A.; Bierce, Edward B. & Parker, John W.
System:
The Portal to Texas History
Car Axle Lubricator
Patent for Car Axle Lubricator created with the specific intent of better lubricating the journals and bearings of car axles to prevent overheating with less waste of oil.
Date:
December 23, 1919
Creator:
Urbieta, Jose M.
System:
The Portal to Texas History
Molding Device
Patent for the improvement of multi-pieced molds through the introduction of a gate and tube that allows for rapid coring of a mold.
Date:
December 2, 1919
Creator:
Hawkins, Alda F.
System:
The Portal to Texas History