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Electric Arc Lamp.
Patent for a new and improved electric-arc lamp. This design consists in "the combination of a single horseshoe electro-magnet in the circuit of a main line, connected on the positive side to a binding-post having shunt material as a bushing around it, an armature hinged at its center and free to vibrate throughout its length with a carbon-rod holder, which it is adapted to clutch at the hinged part, said magnet acting upon the ends of the armature only, and an adjustable trip and limiting-stops, and means permitting both to be readily adjusted upon the outside of the casing to regulate the lamp" (lines 46-58).
Date:
March 8, 1887
Creator:
McDill, Henry C. & Gaston, James E.
System:
The Portal to Texas History
Grate.
Patent for an improved grate that is adapted "for use in stoves as well as in fire paces, and which, being composed of separate bars, may be repaired by inserting new bars, thus saving that portion of the grate which remains intact, as cannot be done with grates formed of a single casting" (lines 18-23).
Date:
March 28, 1893
Creator:
Chollar, Benjamin Franklin
System:
The Portal to Texas History
Feed-Water Heating and Purifying Apparatus.
Patent for improvements in feed-water heating and purifying apparatus by “utilizing the heat of exhaust-steam from locomotive-cylinders, and the waste heat from the products of combustion in the combustion-chamber; or smoke-arch for heating and purifying the feed-water in transit to the locomotive-boiler.” (Lines 11-16) Illustration is included.
Date:
March 22, 1892
Creator:
McCallum, Daniel W.
System:
The Portal to Texas History
Saw-Filing Machine.
Patent for a gin and linter saw filing machine that is fully automatic and can sharpen multiple saws in succession and then stop when finished without resetting the device or manually stopping it. It also can sharpen saws of varying sizes and thicknesses to different levels of sharpness.
Date:
March 5, 1907
Creator:
Beaver, John M.
System:
The Portal to Texas History
Fence-Post.
Patent for a metal fence post, which can have many wires and rails attached to it.
Date:
March 15, 1910
Creator:
Miller, Daniel H.
System:
The Portal to Texas History
Seal
Patent for seals of car doors and other structures, and the object is to provide seal which cannot be released without destruction or mutilation so that the tampering with the seal may be readily detected.
Date:
March 23, 1915
Creator:
Peyton, William T.
System:
The Portal to Texas History
Gas Generator
Patent for a gas generator that generates hydrocarbon gases. It is "to provide ample and efficient means for feeding gas making elements into the fillings or contents located in the generators and to distribute uniformly to all parts of a generator the elements fed into the generator and to provide efficient means for operating the feeding devices and to provide agitating devices working in combination with the feeding devices for agitating the fumes within the generator." (line 11-21)
Date:
March 9, 1915
Creator:
Tinsley, Waller P.
System:
The Portal to Texas History
Nozzle.
Patent for a nozzle with adjustable spray levels.
Date:
March 9, 1909
Creator:
Hess, Charles G.
System:
The Portal to Texas History
Mat
Patent for a mat. Illustration included.
Date:
March 11, 1905
Creator:
Horsley, Robert L.
System:
The Portal to Texas History
Molding Apparatus
Patent for an improved model of a molding apparatus for producing blocks of concrete that is cheaper to manufacture and more durable and adjustable than its predecessor.
Date:
March 20, 1920
Creator:
Nelson, William E.
System:
The Portal to Texas History
Metallic Shingle.
Patent for a new and improved metallic shingle. This design calls for "[t]he ends of the shingles adjacent to the groove [to be] turned up to provide a guard which, when the joints are made between the shingles, prevents the water from obtaining access to the roof-boards, and directs it down the shingle to the bead, where the water is drained off" (lines 80-86).
Date:
March 22, 1887
Creator:
Harry, Hugh W.
System:
The Portal to Texas History
Metallic Shingle.
Patent for a new and improved metallic shingle. This design consists in "a roof made up of a series of metallic shingles bent and doubled at the ends . . . and the joint at the sides of the shingle, the doubled ends being bent at the sides to correspond with the joint at the sides of the shingle, whereby a double thickness is provided at the sides of the end joints and notching is obviated" (lines 11-18).
Date:
March 27, 1888
Creator:
Harry, Hugh Walker
System:
The Portal to Texas History
Piano-Forte Tuning-Pin Lock.
Patent for a new and improved lock for forte-piano tuning-pins. This design consists "of an elongated or oblong metal plate provided with a slot in a part of its length and having one of its faces roughened into serrations . . . which, together with . . . correspondingly-toothed hooks bolted to said plate, form a clamp to bind two or more tuning-pins of a piano together, to prevent them from turning as a set or independently" (lines 16-25).
Date:
March 2, 1880
Creator:
Norcross, Levi W.
System:
The Portal to Texas History
Retort Vaporizer and Superheater
Patent for improvements for vaporizers "of simple and highly efficient means for thoroughly and effectively superheating the vapor of water and oil" (lines 13-15).
Date:
March 26, 1889
Creator:
Biddison, Stella D.
System:
The Portal to Texas History
Candy Wrapping Machine
Patent for a machine that will enrobe stick cand with a wrapper. It will recieve the candy stick by stick, wrap it in paper, and twist the ends.
Date:
March 13, 1917
Creator:
Greer, Jesse W.
System:
The Portal to Texas History
Step for Railway Cars and the Like
Patent for extendable step for railway cars, and the like.
Date:
March 20, 1917
Creator:
Dixon, John M.
System:
The Portal to Texas History
Bracket
Patent for an improved bracket.
Date:
March 13, 1917
Creator:
Mertz, George W.
System:
The Portal to Texas History
Maternity and Invalid Chair.
Patent for a folding chair designed specifically for the use and comfort of the sick and disabled.
Date:
March 22, 1921
Creator:
Read, Edwin T. & Bartz, Adolph J.
System:
The Portal to Texas History
Means for Facilitating the Use of Railway-Schedules.
Patent for "improvements in means for facilitating the use of local, through and joint-route transportation or time schedules of railways or other carriers.” (lines 10-13) including instructions and illustrations.
Date:
March 16, 1915
Creator:
Glisson, Amos A.
System:
The Portal to Texas History
Piano-Action
Patent for a new piano-action that will get rid of unwanted sounds and reduce the amount of cushioning needed. Other goals are to ensure that strings cannot not be prevented from vibrating, and that a certain sound can be made.
Date:
March 17, 1914
Creator:
Blessing, John T.
System:
The Portal to Texas History
Portable Concrete Mixer
Patent for a portable concrete mixer. Illustration included.
Date:
March 2, 1909
Creator:
Leake, Boudinot G.
System:
The Portal to Texas History
Plunder For Baling Presses
Patent for a plunger for baling presses. Illustration included.
Date:
March 26, 1907
Creator:
Schubert, George
System:
The Portal to Texas History
Double-Lever Brake.
Patent for "new and useful improvements in Double-Lever Brakes." (lines 6-7) and how the invention will provide more power to the brake and equally distribute that power. Includes illustrations.
Date:
March 23, 1920
Creator:
Roberts, George P.
System:
The Portal to Texas History
Curling-Iron Heater.
Patent for "an improved attachment for gas burners or lamps, which will be adapted to facilitate the heating of curling irons or other light articles" (lines 8-11).
Date:
March 6, 1894
Creator:
Fowler, Samuel O. & Taylor, Walter R.
System:
The Portal to Texas History