Resource Type

States

Throttle for Gasolene Engines. (open access)

Throttle for Gasolene Engines.

Patent for throttling the gasoline supply of a motor which is particularly adapted for connection with automobiles or vehicles.
Date: March 28, 1916
Creator: Cardwell, Marshal C.
System: The Portal to Texas History
Tire Inflating Pump (open access)

Tire Inflating Pump

Patent for improvements for Tire-Inflating Pumps, mainly those adapted for automobiles, including illustrations.
Date: March 28, 1914
Creator: Jobes, William S.
System: The Portal to Texas History
Secondary Battery. (open access)

Secondary Battery.

Patent for a type of storage battery that is "simple in construction, light in weight, durable in operation, and not liable to injury or deterioration", and that can be charged easily multiple times, Patent includes instructions and an illustration.
Date: March 28, 1916
Creator: Luthy, Joseph O.
System: The Portal to Texas History
Double Rotary Force Pump (open access)

Double Rotary Force Pump

Patent for double rotary force pump. Illustration included.
Date: March 28, 1905
Creator: Rotary, Julius R.
System: The Portal to Texas History