5 Matching Results

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Horse-Power Machines. (open access)

Horse-Power Machines.

Patent for new and improved cog-wheel designed to improve horse-powered machines that are used in "flouring mills, and agricultural, and other machines" (lines 16-17) including instructions and illustrations.
Date: May 25, 1880
Creator: Hooker, William H.
System: The Portal to Texas History
Uterine-Supporter. (open access)

Uterine-Supporter.

Patent for a new and improved pessary, or uterine supporter. This design "provides an easy and flexible support . . . and one that will adapt itself to the flexions of the body . . . and one that can be readily removed" (lines 36-40).
Date: February 10, 1880
Creator: Long, Cornelius Pruett
System: The Portal to Texas History
Grain Register. (open access)

Grain Register.

Patent for a new and improved grain register. This design "is to furnish registers for recording the quantity of grain measured and sacked, and which shall be simple in construction and accurate in operation" (lines 12-15).
Date: September 28, 1880
Creator: Richardson, William Blewford
System: The Portal to Texas History
Open Link. (open access)

Open Link.

Patent for a new and improved carabiner ("open link"). This design adds a lip to the hinge to enable easier intentional opening and to discourage unintentional opening from striking against a foreign body.
Date: December 14, 1880
Creator: Sanders, John Daniel
System: The Portal to Texas History
Seed Planter. (open access)

Seed Planter.

Patent for a new and improved seed planter. This design "entirely do[es] away with the use of belts in the operation of the two dropping-cylinders, so that there will be no slipping of the belts upon the pulleys, and thus caus[ing] the seed[s] to be planted at different distances apart" (lines 22-27).
Date: August 24, 1880
Creator: Ward, Michael
System: The Portal to Texas History