Collection
Counties
Language
6 Matching Results
Results open in a new window/tab.
Results:
1 - 6 of
6
Ventilator
Patent for low cost, improved ventilators for Pullman and passenger cars and buildings.
Date:
March 26, 1918
Creator:
Hedges, Robert S.
System:
The Portal to Texas History
Mixer
Patent for an improved mixer for "use in connection with internal combustion engines" (lines 9-10). The invention is designed to simplify and increase the engine's efficiency while also making construction more affordable.
Date:
March 26, 1918
Creator:
Warren, John W.
System:
The Portal to Texas History
Moving-Picture Machine.
Patent for an improved machine to play films (moving-pictures), synchronizing both sound and picture in a single machine. Division of another patent by the same inventor (Serial No. 765,959) for a sound record film, and is intended to be used in conjunction with said patent.
Date:
March 26, 1918
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Driving Mechanism For Automobiles And The Like.
Patent for improvements in the automobile driving mechanism thorough changes in the transmission and transmission gearing.
Date:
February 26, 1918
Creator:
Allan, William N.
System:
The Portal to Texas History
Phonographic Attachment for Moving-Picture Machines
Patent for an invention that is "the provision of mechanism whereby a sound record may be made or reproduced synchronously with the taking or reproduction of moving pictures" (Paragraph 100). In addition, the invention enables sound and picture to be recorded on the same machine, so that they sound and the picture match.
Date:
March 26, 1918
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Canopy-Support
Patent for canopy support for the bed where the user can attach mosquito netting. The canopy support can be removed and folded when not in use, and is designed to offer simple and efficient support.
Date:
March 26, 1918
Creator:
Carroll, Houston M.
System:
The Portal to Texas History