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53 Matching Results
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53
Plow
Patent for plow. Illustration included.
Date:
April 2, 1907
Creator:
Hendon, Walter P.
System:
The Portal to Texas History
Molding-Machine
Patent for a molding machine for forming casting molds. Illustrations included.
Date:
April 2, 1912
Creator:
MacKay, Hugh
System:
The Portal to Texas History
Cement-Block Mold.
Patent for a cement block molding machine, which can produce many blocks in a short amount of time.
Date:
August 2, 1910
Creator:
Jordan, James T.
System:
The Portal to Texas History
Automatic Stop Device for Printing-Presses.
Patent for improvements to safety devices (springs, belt shift levers, guide members, rock shafts) that can be attached to a printing press to create automatic stops. These safety devices can be used to address possible accidents or emergencies by fastening down on a specific section of a printing press.
Date:
March 2, 1915
Creator:
Brown, John Walter R. & Otey, George S.
System:
The Portal to Texas History
Cotton-Boll Separator.
Patent for "cotton boll threshing machines." "Obejct of the inventions is provide means for crushing, agitating, and opening the dry cotton bolls and removing the fiber of seed cotton,,, without breaking the fiber and lowering the grade of the staple."
Date:
March 2, 1915
Creator:
Patterson, Warren A.
System:
The Portal to Texas History