Nut-Lock. (open access)

Nut-Lock.

Patent for new qualities of nut-lock security, efficiency, and convenience, including illustrations.
Date: April 24, 1906
Creator: Payne, Lewis.
System: The Portal to Texas History
Automatic Regulator for Pneumatic Flues (open access)

Automatic Regulator for Pneumatic Flues

Patent for a regulated valve to automatically maintain air pressure in a pneumatic conveyor flue. Excessive air pressure causes a secondary valve to open and vent the pressure while at the same time impeding air flow downstream.
Date: May 28, 1901
Creator: Caffey, Charles B.
System: The Portal to Texas History
Boat-Propeller. (open access)

Boat-Propeller.

Patent for a boat propeller, which is inexpensive and adaptable to small boats. The propeller can go forwards or backwards and use multiple oars.
Date: February 5, 1901
Creator: Caffey, John W.
System: The Portal to Texas History
Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for a cotton chopper with rotating blades.
Date: July 4, 1911
Creator: Prokschl, Mathias
System: The Portal to Texas History
Car-Coupling (open access)

Car-Coupling

Patent for an improvement in car couplings "whereby the pin-support is operated not by the links but by the impact of the cars themselves and of a yielding link" (lines 55-58).
Date: June 7, 1892
Creator: Young, James D.
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "consists in the combination of the draw-heads provided with projections, a coupling-link, an operating-rod loosely connected to each of its ends, and a suitable support or guide through which these rods move . . . The object of [the] invention is to provide a car-coupling in which the two cars are coupled together by means of a link which is provided with an operating rod at each end, both of the rods and the link being attached to one of the cars only" (lines 14-26).
Date: April 29, 1890
Creator: Campbell, Neil Franklin
System: The Portal to Texas History
Bicycle. (open access)

Bicycle.

Patent for a bicycle that has a drive wheel, a ratchet wheel attached to the drive wheel, a chain that goes around the ratchet wheel, an apparatus for reciprocating the chain, a guideway from the chain to the ratchet wheel, a knob on the chain that engages the guideway, a pair of levers connected to the chain, and a chord that connects the levers to the chain.
Date: February 19, 1895
Creator: Williams, Elbert D.
System: The Portal to Texas History
Copy Holder (open access)

Copy Holder

Patent for an improved copy holder design that is "adapted for holding stenographers' notebooks and other copies and equipped with an efficient line guide, capable of easy and rapid operation to drop the line indicating means from one line to another with perfect accuracy" (lines 14-19), including illustrations.
Date: April 28, 1914
Creator: Wrede, Albin C.
System: The Portal to Texas History
Combination-Flue (open access)

Combination-Flue

Patent for a flue which will not crack and open, due to settling or to transverse strain. Also to provide means whereby the flue may be supported from the joists of a ceiling, against settling.
Date: February 3, 1914
Creator: Carl, Reinhold Adolph
System: The Portal to Texas History
Car-Replacer (open access)

Car-Replacer

Patent for improved replacers for derailed railroad cars, complete with illustrations.
Date: April 13, 1915
Creator: Duval, Allen
System: The Portal to Texas History
Buggy-Shaft Brace. (open access)

Buggy-Shaft Brace.

Patent for buggy shaft braces for connecting the shaft and cross bar of a vehicle, in order to eliminate malfunction of cross bar.
Date: September 23, 1913
Creator: Brunken, John H.
System: The Portal to Texas History
Air-Brake. (open access)

Air-Brake.

Patent for train air-brakes to provide set brakes and same auxiliary pressure on all cars regardless of the brake cylinder piston travel distance.
Date: January 13, 1914
Creator: Wolf, Gustav B.
System: The Portal to Texas History
Cattle-Guard (open access)

Cattle-Guard

Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.
System: The Portal to Texas History
Car-Coupling (open access)

Car-Coupling

Patent for an improved car-coupling, including illustrations.
Date: January 11, 1887
Creator: Young, James D.
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for an acetylene-gas generator that provides an apparatus in which the parts may be readily detached for convenience in making repairs.
Date: June 5, 1908
Creator: Carl, Reinhold A.
System: The Portal to Texas History
Combination-Flue. (open access)

Combination-Flue.

Patent for the improvement of combination flue to be more inexpensive and for the parts to be more readily assembled and properly supported.
Date: January 20, 1920
Creator: Carl, Reinhold Adolph
System: The Portal to Texas History
Violin. (open access)

Violin.

Patent for an improved violin that is meant to "improve the acoustical properties of the instrument whereby it is enabled to give forth a deeper and softer tone, free from the "twang" common in instruments of this character, and second, to improve the mechanical construction of the instrument so that it will be less liable to become split" (lines 26-33).
Date: May 2, 1893
Creator: Clopton, John B.
System: The Portal to Texas History
Vehicle for Cotton Pickers. (open access)

Vehicle for Cotton Pickers.

Patent for a new and improved vehicle for picking cotton. This design "consists in a three-wheeled vehicle provided with a seat, in combination with a suitable frame which is supported at one end upon two wheels, and which is loosely attached at its other end to the axle of the three-wheeled vehicle, and which is used for carrying the bag or basket which is to hold the cotton . . . thus enabl[ing] persons to pick cotton who have weak backs" (lines 15-28).
Date: February 27, 1883
Creator: Reid, John Thomas
System: The Portal to Texas History
Listing-Plow. (open access)

Listing-Plow.

Patent for a listing plow that can be used in any type of soil.
Date: September 24, 1907
Creator: Persson, Gottfrid
System: The Portal to Texas History
Vise and Saw-Clamp (open access)

Vise and Saw-Clamp

Patent for improvements to vise and saw clamps complete with illustration.
Date: April 13, 1915
Creator: King, William T.
System: The Portal to Texas History
Knee-Pad. (open access)

Knee-Pad.

Patent for "an improved knee pad or cushion formed to properly fit and bend with the knee and to keep its proper shape while on the limb, and one that will be adapted for all persons engaged in occupations requiring a kneeling posting on the part of the operator." (Lines 15-21) Includes instructions and illustrations.
Date: December 8, 1896
Creator: Laird, John E. B.
System: The Portal to Texas History
Improvements in Steam Engine (open access)

Improvements in Steam Engine

Patent for improvements in steam-engines. The goal of this invention to provide a simple construction that can be equally adapted for locomotives and high speed engines.
Date: August 4, 1903
Creator: Dickson, Henry L.
System: The Portal to Texas History
Improvement in Corn-Planters (open access)

Improvement in Corn-Planters

Patent for a construction that will act as a plow, and aid in the process of planting corn. The patent includes instructions and an illustration.
Date: September 8, 1868
Creator: Kidd, I. J.
System: The Portal to Texas History
Improvement in Cotton-Scrapers. (open access)

Improvement in Cotton-Scrapers.

Patent for improvement in cotton-scrapers by using the combination of horizontal bars, cams, and a beam which consist of ploughs to construct the cotton-scraper; when the “cams revolve and give a lateral and forward motion to the horizontal bars, the beam and the ploughs. As it works backward and forward, the ploughs each describe a zigzag line which cross and leave a hill in diamond-shape undisturbed.” (Lines 21-24) Illustration is included.
Date: April 28, 1868
Creator: Kidd, I. J.
System: The Portal to Texas History