UNT Libraries Government Documents Department - 5 Matching Results

Search Results

Results: 1 - 5

Portable Dark Room.

Description: Patent for a new and improved portable dark room. This design "consists in a box provided with an opening in one side and a sleeve of pliable material extending outward from this opening, which box contains two smaller boxes for receiving the exposed and unexposed dry plates. The box is provided with a handle for carrying it" (lines 13-19).
Date: February 28, 1882
Creator: Serdinko, John
Item Type: Refine your search to only Patent

Rotary Force Pump.

Description: Patent for a new and improved rotary force-pump. This design "consists in a rotary force-pump constructed with a tubular standard provided with one or more flexible tubes having interior half-tubes and an interior cylinder mounted upon a crank-shaft and provided with adjustable bars carrying rollers whereby a liquid can be raised by the successive action of the said rollers upon the said flexible tubes" (lines 22-29).
Date: April 14, 1885
Creator: Serdinko, John
Item Type: Refine your search to only Patent

Saddle-Tree Fork.

Description: Patent for a new and improved saddle-tree fork. This design "strengthen[s] the iron fork by means of a bent wooden part" (lines 14-15). It also utilizes ribs running into and through the neck cavity, which strengthens the neck of the saddle, as when bearing the strain of a lasso.
Date: February 17, 1880
Creator: Mittendorf, Gustav Adolph
Item Type: Refine your search to only Patent

Wind Engine.

Description: Patent for a new and improved wind engine. This design "relates to an improvement in wind-engines, in which a vertical circular frame having a wind-wheel is covered to the half by a hemispherical roof supported by posts" (lines 8-12).
Date: February 2, 1886
Creator: Serdinko, John
Item Type: Refine your search to only Patent

Windmill.

Description: Patent for a new and improved windmill. This design consists in "the sectional spiral vanes of the wind-wheel, having a flange on the outer edge, widest at the end of the vane on which the wind first takes effect, and inclined to the plane of the vane for deflecting the wind thereon . . . [and] [t]he brake, having guide-pulley and combined with the pull-cord, tail-vane, and the wheel-shaft, said shaft having a friction-wheel" (lines 13-22).
Date: February 24, 1885
Creator: Benoit, Joseph
Item Type: Refine your search to only Patent
Back to Top of Screen