Changeable Gearing. (open access)

Changeable Gearing.

Patent for changeable gearing by using an axle, bevel-gears, stub-shafts and a crank-axle to construct the changeable gear, so that the “sprocket is locked to rotate with the crank-axle in one direction, while it may rotate freely of the axle in opposite direction, and, furthermore, that the sprocket may be locked to rotate with the axle or may be caused to rotate at a higher-speed than the axle.” (Lines 8-14.) Illustration is included.
Date: January 8, 1901
Creator: Brady, Alford
System: The Portal to Texas History
Crutch. (open access)

Crutch.

Patent for improvements in crutches by making the crutch adjustable in length according to a person’s height and “overcome the jerks by the movements with the crutches.” (Lines 15-16) Illustration is included.
Date: January 8, 1901
Creator: Hough, Orson E.
System: The Portal to Texas History
Cultivator and Planter (open access)

Cultivator and Planter

Patent for improvements in combined cultivators and corn/cotton planters to adapt an ordinary cultivator for planting of seeds with adjustable seed-tube and furrow opener to accommodate various character of ground being worked or cultivation being done.
Date: July 5, 1900
Creator: Prentice, Peter Mack
System: The Portal to Texas History
Drainage Apparatus. (open access)

Drainage Apparatus.

Patent for a drainage apparatus by using two siphon-pipes, a back-pressure valve and an automatic starting device to drain the water from one place to another when the water is at a predetermined level. Illustration is included.
Date: January 8, 1901
Creator: Carroll, Samuel C.
System: The Portal to Texas History
Fly Trap. (open access)

Fly Trap.

Patent for improvements in flytraps that traps flies in cage. includes illustration.
Date: October 8, 1901
Creator: Manning, James
System: The Portal to Texas History
Grain-Scourer. (open access)

Grain-Scourer.

Patent for invention and improvements in grain-scourers such as the addition of a pulley for driving the device.
Date: October 8, 1901
Creator: McLellan, Frederick A.
System: The Portal to Texas History
Gravity Dump Car (open access)

Gravity Dump Car

Patent for gravity dump-car cheaper in cost and easy in construction and operation.
Date: October 8, 1901
Creator: Swindall, S. M.
System: The Portal to Texas History
Rein-Holder. (open access)

Rein-Holder.

Patent for a device that holds reins at the front of a carriage.
Date: October 8, 1901
Creator: Palm, George William
System: The Portal to Texas History
Seed Planter (open access)

Seed Planter

Patent for a seed-planter designed primarily for corn, but can be used with other seeds. The primary mechanical construction consists of a wheel.
Date: October 8, 1901
Creator: Everhart, Martin
System: The Portal to Texas History
Shutter Attachment (open access)

Shutter Attachment

Patent for a shutter attachment that acts as a spacer and holds the window shutters open; it sits between the slats and is attached to the rod that opens the shutters.
Date: January 8, 1901
Creator: Eppright, George Jacob
System: The Portal to Texas History