5 Matching Results

Results open in a new window/tab.

Corn And Cotton Planter (open access)

Corn And Cotton Planter

Patent for Corn and Cotton Planter
Date: October 21, 1913
Creator: Robinson, Marcus; Robinson, Samuel & Davis, William A.
System: The Portal to Texas History
Balancing Device for Cultivators or the Like (open access)

Balancing Device for Cultivators or the Like

Patent for a balancing device for cultivators or the like.
Date: April 21, 1903
Creator: Dwight, Frances M.
System: The Portal to Texas History
Automatic Computing and Weighing Scale (open access)

Automatic Computing and Weighing Scale

Patent for automatic computing and weighing scale.
Date: April 21, 1903
Creator: Mount, Timothy S.
System: The Portal to Texas History
Washing-Machine. (open access)

Washing-Machine.

Patent for improvements in washing-machines known as “roller and bed and it consists of a rubber-bed adapted to operate in conjunction with a rotatory rubber…….the bed being regulated by tightening screw-nuts upon the hooks which connect the springs with the end walls of said casing.” (Lines 13-22) Illustration is included.
Date: April 21, 1891
Creator: Wood, Commodore R.
System: The Portal to Texas History
Double-Action Pump (open access)

Double-Action Pump

Patent for "double-action submerged force-pumps which can be operated by any suitable power, but particularly adapted for operation by windmills provided with variable gearing...simple in construction and strong and durable and in which there are no parts which can be disarranged during operation and from which all valves may be removed without disturbing the pipe and which will maintain a continuous flow of water during operation."
Date: October 21, 1902
Creator: Byars, Edgar
System: The Portal to Texas History