UNT Libraries Government Documents Department - 8 Matching Results

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Description: Patent for a pump, designed to increase the flow of water without increasing the length of the stroke or the numbers of strokes of the plunger rod. The pump lifts water by force and suction simultaneously.
Date: February 24, 1914
Creator: Muncy, David J. & Jons, W. F.

Check for Draft Apparatus.

Description: Patent for a check attachment for a draft apparatus that pulls rope from the apparatus to effect the draft on the object "which will automatically lock the pull rope against movement under the influence of tension of the apparatus when the force applied to the rope to the effect such tension is removed" (lines 20-24).
Date: July 15, 1913
Creator: Battey, Orlando F.


Description: Patent for a spoke tightener that reduces the strain on the felly.
Date: June 4, 1912
Creator: Norton, John W.


Description: Patent for an aerodrome. Illustrations included.
Date: April 16, 1912
Creator: Helm, Amos J.

Oil Burner

Description: Patent for a class of oil burners to be used with stoves. Illustration included.
Date: September 6, 1910
Creator: Mitchell, Cliff W.

Process of Producing Pictures

Description: Patent for a process of producing pictures. Illustration included.
Date: July 19, 1904
Creator: Fields, Moses M.; Edwards, J. W. & Winn, W. M.

Seed Planter

Description: Patent for a seed planter. Illustration included.
Date: June 24, 1903
Creator: Merrick, Samuel M. & Merrick, Griffith A.


Description: Patent for new and improved combined heating and cooking stove which may be "operated by using a light chaffy form of fuel..." (line 15).
Date: May 13, 1902
Creator: Van Hook, John Lloyd