Air-Valve Cage for Air-Brake Pumps (open access)

Air-Valve Cage for Air-Brake Pumps

Patent for an air valve cage for air brake pumps which reduces the wear on the air brake pump and substantially reduces the maintenance costs of the system.
Date: February 16, 1909
Creator: Mattingly, James
System: The Portal to Texas History
Churn (open access)

Churn

Patent for a churn designed for churning butter in smaller quantities and preventing foreign objects from entering. Illustrations included.
Date: January 5, 1909
Creator: Bland, William W.
System: The Portal to Texas History
Ice-Chamber for Refrigerators. (open access)

Ice-Chamber for Refrigerators.

Patent for an ice chamber for refrigerators, which decreases the amount of ice needed to keep the refrigerator cool and circulates the air better.
Date: June 1, 1909
Creator: Carter, William H.
System: The Portal to Texas History