Process of Making Alcohol (open access)

Process of Making Alcohol

Patent for improvements in processes for making alcohol. The process relates to making alcohol from sotol and other species of cacti. This involves subjecting the cacti with water and steam in a digester. The resulting fermented liquid can be distilled.
Date: May 19, 1914
Creator: Thatcher, Frank
Object Type: Patent
System: The Portal to Texas History
Dirigible Automobile-Lamp (open access)

Dirigible Automobile-Lamp

Patent for a new automobile lamp that turns in conjunction with the steering wheel and an apparatus that attaches to automobiles to cradle the head lamp and stop it from vibrating.
Date: May 19, 1914
Creator: Freeborn, Sidney Mills
Object Type: Patent
System: The Portal to Texas History
Door. (open access)

Door.

Patent for a door "that can be secured in either open or closed position either from the exterior or interior of the building on which the door is mounted" (lines 9-12) including instructions and illustrations.
Date: May 19, 1914
Creator: Niemann, Otto
Object Type: Patent
System: The Portal to Texas History
Drag-Harrow. (open access)

Drag-Harrow.

Patent for an improved drag harrow for plowing soil. "The primary objective of the invention is to provide a soil pulverizer in which a rotary grinding action is produced by the drawing of the apparatus across the soil" (lines 10-13).
Date: May 19, 1914
Creator: Kramer, Frank
Object Type: Patent
System: The Portal to Texas History
Dielectric Separator (open access)

Dielectric Separator

Patent for an apparatus that "separates substances of different dielectric capacities" (lines 12-13). Illustrations included.
Date: May 19, 1908
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Object Type: Patent
System: The Portal to Texas History
Device for Handling and Cleaning Seed-Cotton by Atmospheric Suction. (open access)

Device for Handling and Cleaning Seed-Cotton by Atmospheric Suction.

Patent for a new device for handling and cleaning seeding cotton by atmospheric suction in which the cotton may be conveyed and cleaned without passing through the exhaust-fans, thereby avoiding danger of the machine being choked while in operation. (Lines 14-17) Illustration is included.
Date: May 19, 1891
Creator: Eberhardt, Theophilus Charles
Object Type: Patent
System: The Portal to Texas History
Artificial Intelligence: Background, Selected Issues, and Policy Considerations (open access)

Artificial Intelligence: Background, Selected Issues, and Policy Considerations

Report containing an overview of artificial intelligence (AI), recent growth in the field of AI, federal activity in AI (i.e., Executive Branch and Congress), and selected issues for congressional consideration to assist Congress in its work on AI.
Date: May 19, 2021
Creator: Harris, Laurie A.
Object Type: Report
System: The UNT Digital Library
Cultivator Attachment (open access)

Cultivator Attachment

Patent for a cultivator attachment. "The principal object of the invention is to provide a simple harrowing attachment for the cultivator shovels, so that the soil can be pulverized immediately succeeding the lifting thereof by the cultivator shovel."
Date: May 19, 1914
Creator: Hafer, Albert L.
Object Type: Patent
System: The Portal to Texas History
Cotton-Seed-Grading Machine (open access)

Cotton-Seed-Grading Machine

Patent for a cotton seed grading machine. Illustrations included.
Date: May 19, 1908
Creator: Conner, John W.
Object Type: Patent
System: The Portal to Texas History