6 Matching Results

Results open in a new window/tab.

Burglar-Alarm. (open access)

Burglar-Alarm.

Patent for a burglar alarm device that is triggered by the movement of a door or window, including illustrations.
Date: October 30, 1917
Creator: Alderman, Joseph S.
System: The Portal to Texas History
Hydrocarbon-Burner. (open access)

Hydrocarbon-Burner.

Patent for hydrocarbon-burners to provide a novel and improved burner for coal-oil, petroleum, or other liquid fuel.
Date: August 21, 1917
Creator: Hewett, John A.
System: The Portal to Texas History
Tie-Up Stand for Mail. (open access)

Tie-Up Stand for Mail.

Patent for the tying of mail into bundles. The invention is adjustable and allows for mail of various widths.
Date: June 5, 1917
Creator: Zerwer, John A.
System: The Portal to Texas History
Shovel-Fastening for Cultivators (open access)

Shovel-Fastening for Cultivators

Patent for new and useful improvements in shovel-fastenings for cultivators. Improvements include incorporating a spring latch in the cultivator foot so that no time is lost and no tools would be needed in replacing cultivator shovels.
Date: December 18, 1917
Creator: Kirkpatrick, James M. & Tirey, Grover C.
System: The Portal to Texas History
Self Locking Mechanism for Steering Wheel Shafts of Automobiles. (open access)

Self Locking Mechanism for Steering Wheel Shafts of Automobiles.

Patent for new and useful improvements to the shaft of steering wheels making them safer and easier to handle.
Date: April 3, 1917
Creator: Cowart, Stephen A.
System: The Portal to Texas History
Electric-Motor Drive. (open access)

Electric-Motor Drive.

Patent for an electric-motor drive that can be used specifically with a cotton tramper, including instructions and illustrations.. This invention serves multiples methods of improvement compared to current electric-motor drives, and will make the processes its involved in more efficient, while being inexpensive to construct.
Date: July 31, 1917
Creator: Whitt, Joseph E.
System: The Portal to Texas History