6 Matching Results
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Window-Fastener.
Patent for a spring lever for fastening sliding windows, including illustration.
Date:
August 31, 1858
Creator:
Root, Irving
System:
The Portal to Texas History
Mode of Straining Saws by Atmospheric Pressure.
Patent for the improvement of the reciprocating saw by simplifying the arrangement of cylinders, pipes, and exhaust pumps to produce the necessary vacuum, including illustration.
Date:
August 14, 1855
Creator:
Brown, A. & Coffin, Abel, Jr.
System:
The Portal to Texas History
Improvement in Seeding-Machines.
Patent for the improvement of the seed-box so the seeds are properly distributed into the soil while preventing the seed from clogging the machine, including illustration.
Date:
August 24, 1858
Creator:
Keiper, D. B. & Fox, A. C.
System:
The Portal to Texas History
Improvement in Seed-Planters.
Patent for a seed-planter using two vibratory vertical feed-wheels, similar in size to distribute different seeds at the same time, one is designed specifically for cotton seeds, illustration is included.
Date:
August 16, 1859
Creator:
Murphy, Willis G.
System:
The Portal to Texas History
Rotary Steam-Engine.
Patent for the improvement of the rotary engine through the arrangement of passages and system of pistons for a more simple construction with little friction, including illustration.
Date:
August 16, 1859
Creator:
Montjoy, George J. & Sawyer, J. B.
System:
The Portal to Texas History
Spring Bed-Bottom.
Patent for the improvement of bedsteads using a spring bottom-construction with zig-zag wire, including illustration.
Date:
August 8, 1854
Creator:
Meriwether, William Hunter
System:
The Portal to Texas History