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Acetylene Gas Generator (open access)

Acetylene Gas Generator

Patent for an acetylene gas generator. illustration included.
Date: March 7, 1911
Creator: Wyatt, William J.
System: The Portal to Texas History
Acetylene-Gas Generator (open access)

Acetylene-Gas Generator

Patent for an improved automatic acetylene-gas generator which allows the carbid vessel to recharge with carbid without permitting the escape of gas, and also to simplify the construction of the generator.
Date: March 19, 1901
Creator: Elkins, George L.
System: The Portal to Texas History
Acetylene Gas Torch (open access)

Acetylene Gas Torch

Patent for a acetylene gas torch. Illustration included.
Date: March 15, 1904
Creator: Marsh, William H.
System: The Portal to Texas History
Adding-Machine. (open access)

Adding-Machine.

Patent for an inexpensive, simple, easily operated, and improved registering machine that is meant to add numbers without mistakes. It uses revoluble number wheels and a spring-returned shaft among other materials.
Date: March 21, 1893
Creator: Brooks, Augustus J.
System: The Portal to Texas History
Adjustable Headlight-Reflector (open access)

Adjustable Headlight-Reflector

Patent for an adjustable headlight reflector for train engines which will shine the light straight in front of the train.
Date: March 16, 1909
Creator: Pratt, James R.
System: The Portal to Texas History
Adjustable Light Shade and Reflector. (open access)

Adjustable Light Shade and Reflector.

Patent for a new adjustable light shade and reflector with "a shade and a support therefor so provided with joints that the shade may be given any desired angle of reflection, relative to the light, and its relative distance from the light may be regulated" (lines 13-17), which includes illustrations and instructions.
Date: March 7, 1911
Creator: Spivey, Lillian Hale
System: The Portal to Texas History
Adjustable Standard for Plows. (open access)

Adjustable Standard for Plows.

Patent for improvements to foot pieces that allow for easy adjustment of plowing depth. Includes instructions and illustrations.
Date: July 1, 1891
Creator: Teague, Jasper K.
System: The Portal to Texas History
Advertising Clock (open access)

Advertising Clock

Patent for an advertising clock. This invention is designed to display advertisement at regular intervals. Illustration included.
Date: March 2, 1909
Creator: Barnett, John Beverly & Turner, W. N.
System: The Portal to Texas History
Advertising Device. (open access)

Advertising Device.

Patent for "a simple and inexpensive advertising device adapted to be placed on street corners and other public places and capable of exciting the curiosity and attracting attention, and thereby directing the attention of persons to the advertisement" (lines 11-16).
Date: March 20, 1894
Creator: Attaway, Henry F.
System: The Portal to Texas History
Advertising-Shield for Vehicle-Wheels (open access)

Advertising-Shield for Vehicle-Wheels

Patent for a shield for vehicle wheels that can be used for advertising.
Date: March 4, 1913
Creator: Blackshear, Robert King
System: The Portal to Texas History
Aerating-Churn. (open access)

Aerating-Churn.

Patent for an improved churn for aerating cream by forcing air down a pipe into the churn.
Date: March 4, 1913
Creator: Wailes, William S. H.
System: The Portal to Texas History
Aeroplane (open access)

Aeroplane

Patent for an improvement to aeroplanes which includes movable horizontal and vertical planes (or curtains).
Date: February 25, 1911
Creator: Blewett, Baxter W.
System: The Portal to Texas History
Aeroplane. (open access)

Aeroplane.

Patent for improving the fuselage for aeroplanes by "securing double strength throughout the body and [...] be light and durable" (lines 12-14). Provides rudder, landing gear, telescopic joint, and sprocket gear improvements, including illustrations.
Date: March 28, 1916
Creator: Smith, Glen B.
System: The Portal to Texas History
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
Agricultural Implement. (open access)

Agricultural Implement.

Patent for a device related to plows, with a corn-planter and a cotton-planter attachments, including instructions and illustrations.
Date: March 23, 1880
Creator: Chapman, William Arnol
System: The Portal to Texas History
Agricultural Implement. (open access)

Agricultural Implement.

Patent for a new and improved sweep. This design consists "in a sweep of a suitable shape and construction having attached to each of its rear corners a vertical bar or wings, which extends parallel to the course of the plow and backward a suitable distance beyond the sweep proper . . . The object of [the] invention is to attach to the rear corners or wings of a sweep bars or runners, which rest upon the ground and steady the sweep and prevent it from wabbling or dodging while in use" (lines 14-25).
Date: March 4, 1890
Creator: Cameron, Hugh L.
System: The Portal to Texas History
Agricultural Implement. (open access)

Agricultural Implement.

Patent for "agricultural implements to be used for tilling the soil and planting, either separately or at one and the same operation, and has for its object to reduce the expense incurred by the general practice of first preparing the land for planting and subsequently sowing the seed. By this inventions the land can simultaneously prepared and the grain deposited therein." (Lines 8-17) Includes instructions and illustrations.
Date: March 2, 1897
Creator: Dycus, George W.
System: The Portal to Texas History
Air Brake (open access)

Air Brake

Patent for air brakes. Illustration included.
Date: March 21, 1905
Creator: Minnick, Hezekiah
System: The Portal to Texas History
Air-Compressing Apparatus. (open access)

Air-Compressing Apparatus.

Patent for a new air compressing apparatus which employs two kinds of tanks called high pressure containers and low pressure containers charged by means of an air compressing engine.
Date: March 16, 1915
Creator: Gebhardt, William Charles
System: The Portal to Texas History
Air-Cooling Apparatus. (open access)

Air-Cooling Apparatus.

Patent for an air cooling apparatus for air to be delivered into a room treated with moisture to reduce the temperature of the air without the use of ice.
Date: March 21, 1916
Creator: Hollenburger, Joseph
System: The Portal to Texas History
Air-Cushion Tire. (open access)

Air-Cushion Tire.

Patent for improvement to the air-cushion tire in terms of resilience, and an improved structure.
Date: March 16, 1920
Creator: Williams, Harry S.
System: The Portal to Texas History
Alarm Device (open access)

Alarm Device

Patent for an alarm device that is mounted on a house to warn of approaching wind storms.
Date: March 28, 1911
Creator: Stamps, William P. & Phillips, William R.
System: The Portal to Texas History
Amusement Device (open access)

Amusement Device

Patent for an amusement device. This invention uses a ballast and simulates the appearance and motion of a floating ship under way. Illustrations included.
Date: March 28, 1911
Creator: Corneliussen, Ivar
System: The Portal to Texas History
Anal Speculum. (open access)

Anal Speculum.

Patent for a new and improved anal speculum. This design is "to so construct the several parts that there will be no rough or raised edges to interfere with its insertion in the anal passage; secondly, to so construct [the] improved speculum that it may be readily used as a bi-valve or dilator; thirdly, to form a locking-joint on the meeting edges of the shells forming the speculum, whereby the sections are prevented from overlapping each other to avoid pinching or injury to the walls of the anal passage while the instrument is being inserted; fourthly, to provide a plug for [the] improved speculum" (lines 17-29).
Date: March 25, 1890
Creator: Shuford, Quincy Adams
System: The Portal to Texas History