Weighing-Scale. (open access)

Weighing-Scale.

Patent for a weighing-scale that is "of simple and improved construction which will instantly determine and indicate the weight of the article placed thereon" (lines 13-16). The scale uses revolving disks that have a chain around them which moves a lever to indicate the weight of the object being weighed. The object being weighed sits on a pan that is suspended by the same chains that hold the revolving disks in place.
Date: December 15, 1896
Creator: Stephens, John H.
System: The Portal to Texas History
Pump (open access)

Pump

Patent for an improvement to lift pumps for deep oil and artesian wells. The improvement is intended to overcome the difficulty of excessive pressure caused by the liquid rising to the surface that makes foot valve inoperable. The design also makes the pump easier to construct as well as stronger and more durable.
Date: February 15, 1916
Creator: Haar, G. E.
System: The Portal to Texas History
Trousers. (open access)

Trousers.

Patent for new and improved trousers. This design "relates to an improvement in pants; and it consists in a pants-leg having a recess or notch cut in its lower rear edge, so as to prevent it from coming in contact with the ground" (lines 12-16).
Date: November 15, 1887
Creator: Sevier, Moses Nimrod
System: The Portal to Texas History
Disk Plow (open access)

Disk Plow

Patent for Disk Plow
Date: September 15, 1903
Creator: King, Hugh M.
System: The Portal to Texas History