Texas Patents - 6 Matching Results

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Automatic Train-Stop: Patent for Automatic Train-Stops "particularly to a system operable in connection with well-known airbrake systems to apply the airbrakes, and shut off the power when an accident of a predetermined character occurs." (lines 10-14) including instructions and illustrations.
Cement.: Patent for cement that is better or equivalent to Keene's cement from England, made from pure gypsum and various chemicals and only calcinated once.
Churn: Patent for a churn that can produce butter in very short period of time with minimal effort.
Corn-Heading Knife.: Patent for a corn cutting knife that straps to the hand and protects the fingers for a more efficient harvesting of corn and maize.
Drag-Harrow.: Patent for an improved drag harrow for plowing soil. "The primary objective of the invention is to provide a soil pulverizer in which a rotary grinding action is produced by the drawing of the apparatus across the soil" (lines 10-13).
Lock: Patent for a lock used to secure the openings of grain bags. Illustrations included.