UNT Libraries Government Documents Department - 9 Matching Results

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Automatic Rotary Hydraulic Casing-Spear.
Patent for "new and useful Improvements in Automatic Rotary Hydraulic Casing-Spears" (lines 5-7) which "relates to improvements in well-boring apparatus" (lines 13-14).
Ball Bearing Jack
Patent for a ball bearing jack. Illustration included.
Boat
Patent for a sportsman boat. It can be lowered or raised in adjacent to the water level based on the intentions of the user.
Combined Buckle and Hook
Patent for a combined buckle and hook. Illustration included.
Hydrocarbon Burner
Patent for a hydrocarbon burner. Illustration included.
Plow
Patent for "an improved plow especially adapted for use in plowing down listed or bedded land to reduce the same to a level and also adapted for other purposes" .(lines 11-14). The plow is designed to improve the physical construction of the plow making it better and stronger while eliminating past flaws.
Rail Joint
Patent for a rail joint. This invention allows for the secure fastening of the ends of rails. Illustration included.
Stovepipe Protector
Patent for a stovepipe protector. Illustration included.
Well Sinking Apparatus
Patent for a well sinking apparatus. Illustration included.
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