Resource Type
States
Counties
Decade
Month
Day
5 Matching Results
Results open in a new window/tab.
Results:
1 - 5 of
5
Car-Brake.
Patent for a car brake that "automatically absorb[s] the slack in car brake connecting rods which slack is induced by the wear of the brake shoes and fastening and the stretching of the parts by the strain in applying the brake" (lines 7-12). It is adjustable, inexpensive, and adjustable.
Date:
March 14, 1893
Creator:
Ferguson, George J.
System:
The Portal to Texas History
Automatic Shutter for Poultry-Houses and the Like.
Patent for automatic shutter for poultry houses, which closes with accumulation of rain water and opens upon rainwater drainage.
Date:
December 14, 1915
Creator:
Hawkins, Fletcher M.
System:
The Portal to Texas History
Rail-Bond.
Patent for a rail bond that allows an electric current to travel through the rails.
Date:
March 14, 1911
Creator:
Humason, Granville A. & Odell, Edward F.
System:
The Portal to Texas History
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
Car-Coupling
Patent for improvements to car-coupling using a vertically-moving pin for locking the cars together.
Date:
November 14, 1882
Creator:
Blackley, George I.; Nicholson, John I. & Holloman, Harvey A.
System:
The Portal to Texas History