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8 Matching Results
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8
Improvement in Cultivators.
Patent for a new and useful improvement in cultivators.
Date:
February 5, 1878
Creator:
Graves, Jefferson M.
System:
The Portal to Texas History
Improvement in Safety-Guards for Cars.
Patent for "certain new and useful Improvements in Safety-Guards for Cars" (lines 5-6) intended to pervent derailment of railway cars, including a detailed explanation and description of the illustration.
Date:
February 5, 1878
Creator:
Harding, John W. & Towell, Issac
System:
The Portal to Texas History
Improvement in Rotary Engines.
Patent for Improvement in Rotary Engines concerning "the arms of the frame" (lines 9), which are powered by steam and "steam valves with arms" (line 17) including a detailed explanation and description of the illustration.
Date:
February 5, 1878
Creator:
Evens, George
System:
The Portal to Texas History
Improvement in Devices for Use in Reciprocating Churns.
Patent for a churn that has "the cylinder with angular perforations, in contradistinction to round perforations and long slots" (lines 18-20) including a detailed explanation and description of the illustration.
Date:
February 12, 1878
Creator:
Forsyth, John
System:
The Portal to Texas History
Improvement in Motors.
Patent for power-operated motors used "for operating churns" (lines 13-14), with the option of using spring-power, including a detailed explanation and description of the illustration.
Date:
February 19, 1878
Creator:
Cummings, James K.
System:
The Portal to Texas History
Improvement in Plow and Seeder.
Patent for a plow and seeder that has an added "rotating flanged drum composed of two perforated cylinders" (lines 10-11) including a detailed explanation and description of the illustration.
Date:
February 19, 1878
Creator:
Elliott, Pinkney H.
System:
The Portal to Texas History
Improvement In Gin-Saw-Filing Machines.
Patent for improved circular file for gin-file-machine.
Date:
February 6, 1878
Creator:
Eastham, Albert S.
System:
The Portal to Texas History
Improvement in Cotton-Seed Planters.
Patent for a cotton-seed planter with improvements in "the construction and arrangement of the parts" (lines 18-19) including a detailed explanation and description of the illustration.
Date:
February 26, 1878
Creator:
Nix, Manning L.; Stone, James M. & Anderson, Levi
System:
The Portal to Texas History