Aeroplane. (open access)

Aeroplane.

Patent for an improved rotary airplane engine patterned after the Gnome type with extra blades attached to the engine cylinders.
Date: March 25, 1913
Creator: Decker, Harry R.
System: The Portal to Texas History
Apparatus for Washing and Scrubbing Gas. (open access)

Apparatus for Washing and Scrubbing Gas.

Patent for a washer-scrubber that cleans gas from "tarry matter, ammonia, sulphureted hydrogen, carbonic acid and other impurities" (lines 14-16). The machine divides gas into streams, sprays it with washing liquor, spreads it over reticulated and perforated plates.
Date: March 7, 1893
Creator: Fitzgerald, John H.
System: The Portal to Texas History
Attachment For Internal-Combustion Motors (open access)

Attachment For Internal-Combustion Motors

Patent for improvements in attachments for internal- combustion motors. The invention is about new and useful improvements to a specific attachment. The two stated objectives are to provide a device adapted for application to the intake pipe on an internal combustion motor and to provide a device which may be locked in a closed position, thereby preventing theft.
Date: March 29, 1921
Creator: Thomas, James Clarence
System: The Portal to Texas History
Attachment for Vehicle-Headlights. (open access)

Attachment for Vehicle-Headlights.

Patent for attachment for vehicle headlights. The invention has a deflecting hood for the head light that deflects the light downward, below the line of sight, particularly for oncoming vehicles
Date: March 26, 1918
Creator: Burns, Bessie A.
System: The Portal to Texas History
Automatic Fire-Alarm System. (open access)

Automatic Fire-Alarm System.

Patent for an automatic fire alarm system with a simple arrangement of alarm devices (positioned throughout different rooms) with sound or visual indicators for fire awareness and closer thermal circuits (assisted with spring contact and circuit closer). The automatic fire alarm system will have a more immediate reaction by making an alert noise or visual and propping open the spring contact.
Date: March 16, 1915
Creator: Ammons, John Burck; Ammons, Evander & McGaffey, Otis
System: The Portal to Texas History
AUTOMOBILE (open access)

AUTOMOBILE

Patent for improvements for power distribution in automobiles, including illustrations.
Date: March 31, 1914
Creator: De Witt, George, W.
System: The Portal to Texas History
Axle. (open access)

Axle.

Patent for improvement in axles by using a “combination of a bar, two skeins and means for holding the skeins in place upon the bar,” (lines 17-18) includes illustration.
Date: March 31, 1891
Creator: Stewart, John A.
System: The Portal to Texas History
Bale Ejector for Baling Presses. (open access)

Bale Ejector for Baling Presses.

Patent for a new and improved ejector for baling presses. This design "consists in the combination, with a baling-press follower having channels with inclines and recesses at their rear ends, of trucks provided with ropes or chains, pulleys, pulley-segments having arms, and stationary arms for drawing the trucks forward, and with ropes or chains, pulleys, and weights for drawing the truck rearward. The trucks have recesses with inclined shoulders in their sides to receive prongs having front and rear shoulders, and attached to pins pivoted to the said trucks" (lines 29-40).
Date: March 24, 1885
Creator: Duval, John Lum
System: The Portal to Texas History
Ballot-Box (open access)

Ballot-Box

Patent for a ballot box using black and white balls.
Date: March 4, 1902
Creator: Green, Charles D.
System: The Portal to Texas History
Bat-Former (open access)

Bat-Former

Patent for a cotton bat former that produces a bat of uniform size and weight.
Date: March 21, 1911
Creator: Ball, Samuel M.
System: The Portal to Texas History
Bat-Former (open access)

Bat-Former

Patent for a cotton bat former for use in cotton gins.
Date: March 28, 1911
Creator: Ball, Samuel M.
System: The Portal to Texas History
Belt Tightener for Pumps. (open access)

Belt Tightener for Pumps.

Patent for belt tighteners for well pumps which decreases the amount of force necessary to tighten a pump. Patent includes instructions and illustrations.
Date: March 6, 1917
Creator: Layne, Mahlon E.
System: The Portal to Texas History
Boat. (open access)

Boat.

Patent for boat with improvements towards easy movements by using a propeller and rudder. The boat is designed with the user to use their feet to manually move the boat. The boat is designed for hunting or fishing while keeping the hands free.
Date: March 8, 1921
Creator: Greer, John C.
System: The Portal to Texas History
Bolt-Jack (open access)

Bolt-Jack

Patent for a bolt jack with which bolts may be pulled without bending. Illustrations included.
Date: March 29, 1910
Creator: Smith, Henry H.
System: The Portal to Texas History
Bulkhead. (open access)

Bulkhead.

Patent for bulkhead that is "adapted for use as a sea wall or quay wall" (lines 10-11).
Date: March 25, 1919
Creator: Sands, Edward E.
System: The Portal to Texas History
Cable-Clamp. (open access)

Cable-Clamp.

Patent for improved cable-clamps for oil drilling and water wells, such that the gripping member will accommodate a variety of cable sizes.
Date: March 29, 1921
Creator: Lacy, Benjamin B.
System: The Portal to Texas History
Cable Gripping Mechanism for Overhead Conveyor Systems. (open access)

Cable Gripping Mechanism for Overhead Conveyor Systems.

Patent for a new and improved cable gripping mechanism for overhead conveyor systems. This improved conveyor system can take a load from one point and conveyed to any other point along the conveyor.
Date: March 18, 1919
Creator: Hanak, Edward
System: The Portal to Texas History
Car Wheel. (open access)

Car Wheel.

Patent for a new and improved car wheel. This design "consists in the combination, with a railroad-car axle having wheel-bearings of equal diameter throughout their whole lengths, of wheels the peripheries of which are provided with central flanges dividing each into two treads, the said wheels adapted to be pressed on the said bearings aforesaid, and to be removed therefrom, reversed, and again pressed thereon whenever the wear of the first tread shall render the same necessary" (lines 12-21).
Date: March 25, 1884
Creator: Melvin, Josiah W. & Clute, William H.
System: The Portal to Texas History
Carbon Holder for Electric Arc Lamps (open access)

Carbon Holder for Electric Arc Lamps

Patent for improvements made to the carbon holder for electric arc lamps to improve efficiency in replacing the lamps. To improve upon the current design, the patent illustrates and describes a new level clutch system to allow movement, as opposed to the gravity-based design previously implemented.
Date: March 17, 1914
Creator: Lacy, Benjamin Burton & Elrod, Henry E.
System: The Portal to Texas History
Casket. (open access)

Casket.

Patent for a casket with that is a "reinforced plastic burial casket which shall be of a light construction but having great strength in proportion to its weight" (lines 13 - 16), hermetically sealing the interior and keeping water out, including illustrations.
Date: March 18, 1918
Creator: Cook, Leander P.
System: The Portal to Texas History
Cheese-Hoop. (open access)

Cheese-Hoop.

Patent for improvements in cheese hoops by creating a suitable frame work to support a wire gauze or net on the sides and the top of the hoop. This protects the cheese when cutting out a portion of the cheese.
Date: March 30, 1915
Creator: Cain, William R. & Cain, John R.
System: The Portal to Texas History
Churn (open access)

Churn

Patent for a churn. Illustrations included.
Date: March 11, 1913
Creator: Brown, Herbert E.
System: The Portal to Texas History
Churn Power. (open access)

Churn Power.

Patent for a new and improved churn power. This design "relates to improvements in churn powers; and it consists of a plunger-shaft so connected to a wheel by means of a loose rod as to alternately raise or lower said shaft as the wheel rotates. The object of the invention is to accomplish the up-and-down motion and consequent agitation without the usual amount of labor" (lines 9-16).
Date: March 31, 1885
Creator: Patton, Charles W.
System: The Portal to Texas History
Cistern-Guard. (open access)

Cistern-Guard.

Patent for a device that guards the water cistern against impure water which drains from the roof of a building to which the cistern appertains.
Date: March 26, 1912
Creator: Johnson, Charles W.
System: The Portal to Texas History