9 Matching Results
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Improvement in Car-Couplings
Patent for car coupling device that attaches cars automatically when moved together while also detaching if one or more cars come off the tracks.
Date:
May 22, 1877
Creator:
Dobbs, Charles & Robinson, Samuel L.
System:
The Portal to Texas History
Improvement in Cotton-Cleaners
Patent for a device that enhances the performance of cotton-cleaner machinery.
Date:
May 1, 1877
Creator:
Greaves, James
System:
The Portal to Texas History
Improvement in Handsaws
Patent for an improved handsaw with changes made to the teeth, frame, and bolts.
Date:
May 15, 1877
Creator:
Shave, Levi & Reams, Sherwood Young
System:
The Portal to Texas History
Improvement in Insect-Destroyers
Patent for an insect destroyer that forces fire smoke into the ground, targeting ants and other insects.
Date:
May 29, 1877
Creator:
Melcher, John C.
System:
The Portal to Texas History
Improvement in Pipe and Bar Cutters
Patent for a new and improved pipe and bar cutter, which cuts metal and steel. This design is simple, convient, and effective, including illustration.
Date:
May 21, 1877
Creator:
Astall, Jesse
System:
The Portal to Texas History
Improvement in Revolving Conical Mold-Boards
Patent for improvements and new design for a Revolving Conical Mold-Board Plow.
Date:
May 22, 1877
Creator:
Dryer, Charles Valentine
System:
The Portal to Texas History
Improvement in Targets for Shooting-Galleries
Patent for a shooting gallery target that releases balls when hit in the center.
Date:
May 29, 1877
Creator:
Hoshall, David W.
System:
The Portal to Texas History
Improvement in Vehicle-Springs
Patent for a newly designed vehicle spring that attached to the axle and features an auxiliary spring.
Date:
May 22, 1877
Creator:
Faber, Fredrick W.
System:
The Portal to Texas History
Improvement of Cotton Cleaners and Condensers
Patent for changes in the parts of cotton cleaner and condenser machinery, includes illustrations. The changes in machinery seek to eliminate impurities in the cotton while also compacting the cotton into a sheet.
Date:
May 1, 1877
Creator:
Greaves, James
System:
The Portal to Texas History