31 Matching Results
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31
Rapid-Transit Car
Patent for a rapid transit car that runs on cables in the air.
Date:
June 25, 1912
Creator:
Barnett, John B.
System:
The Portal to Texas History
Rail-Clamp
Patent for a rail clamp to "prevent spreading of the rails"(lines 10-11).
Date:
June 18, 1912
Creator:
Ausburn, George F.
System:
The Portal to Texas History
Plowshare Attachment.
Patent for a plowshare attachment, which will allow a new replacement part when this part is no longer in working condition.
Date:
June 11, 1912
Creator:
Hickle, Pryor H.
System:
The Portal to Texas History
Door-Strip
Patent for a door strip for blocking air gaps below doors.
Date:
June 4, 1912
Creator:
Valentine, Levi Jackson
System:
The Portal to Texas History
Double-Acting Pump-Jack
Patent for a double acting pump jack for artesian wells.
Date:
June 11, 1912
Creator:
Pittman, William T.
System:
The Portal to Texas History
Door Operating Means
Patent for a mechanism to operate jail doors. The mechanism is "operated with a single movement of the hand to open and close a plurality of doors simultaneously" (14-19). Illustrations included.
Date:
June 25, 1912
Creator:
Youngblood, David Franklin
System:
The Portal to Texas History
Cutting Mechanism for Corn-Harvesters
Patent for a cutting mechanism for corn harvesters that allows the stalks to be cut more effectively while the corn is being harvested.
Date:
June 4, 1912
Creator:
Tilson, William H.
System:
The Portal to Texas History