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Improvement to Fire-Box for Boilers
Patent for the improvement of fire-boxes for broilers by reducing the draft and “causing a more complete mixture of the fuel and air and consequently a more thorough combustion of the fuel” (lines 13-16). Instructions and illustration included.
Date:
February 9, 1915
Creator:
Shaw, Carl C.
System:
The Portal to Texas History
Electrical Trolley-Replacer.
Patent for an electric trolley replacer, which automatically replaces the trolley on the wheel.
Date:
February 9, 1909
Creator:
Sparks, Hubert Lorenzo
System:
The Portal to Texas History
Grinding Planer Knife.
Patent for a new and improved attachment for grinders of wood-planing-machine knives. This design "may be securely attached to the frame of a wood-planing machine for grinding the revolving knives of the planer without removing the knives from its shaft or the shaft from its bearings upon the frame of the machine. . . . in so constructing and combining the parts of the improved device . . . it may be readily adapted to suit various-sized machines" (lines 10-22).
Date:
November 9, 1880
Creator:
Le Roy, Charles Jerome
System:
The Portal to Texas History
Sanitary Cigarette Paper Receptacle
Patent for a box with a cutting membrane that will cut off desired lenghts of cigarette paper for the user.
Date:
January 9, 1917
Creator:
Jones, John A.; Rowe, Claude O. & Johnson, Clause E.
System:
The Portal to Texas History
Draw-Bar for Locomotives.
Patent for an improved draw-bar for locomotives that consists of a frame, a pilot and draw bar, a counterweight that moves vertically in the pilot, a coupler head with a knuckle and a toe and a guide arm, and a release mechanism for the locking device on the bar.
Date:
January 9, 1894
Creator:
Heidelberg, Samuel R.
System:
The Portal to Texas History