Month

Language

Well-Screen. (open access)

Well-Screen.

Patent for improvements in the construction of well-screens in order to increase efficiency and prevent clogs using a "cheap and durable construction" (lines 11-12) that includes illustrations and a description.
Date: May 27, 1913
Creator: Layne, Mahlon, E.
System: The Portal to Texas History
Track-Laying Machine (open access)

Track-Laying Machine

Patent for Tracking Laying machine.The combination of train of cars, sectional tramway, and extending along the sides of the car gives means for disconnecting the connection. The fore-mentioned applications improves tack laying machines.
Date: May 27, 1913
Creator: Simpson, Charles, M. & Smith, Howard F.
System: The Portal to Texas History
Method of Forming Concrete Foundations and the Like. (open access)

Method of Forming Concrete Foundations and the Like.

Patent for forming concrete foundations and piers by placing metal tubes into the ground and enveloping them with gravel.
Date: May 27, 1913
Creator: Layne, Mahlon E.
System: The Portal to Texas History
Apparatus for Separating Liquids in Emulsion. (open access)

Apparatus for Separating Liquids in Emulsion.

Patent for improved apparatus for separating liquids in emulsion (relates to improved apparatus for separating one liquid from another) when found in emulsion and has especial reference to means for rapidly and effectually dehydrating petroleum oil emulsion.
Date: May 27, 1919
Creator: McKibben, Charles W.
System: The Portal to Texas History