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in subjects: "pipes"  
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Wrench and Cutter.

Description: Patent for a simple, durable, and economic wrench and cutter that is easily used to turn nuts, pipes, or to cut pipes. The wrench does not need to be removed while cutting.
Date: April 18, 1893
Creator: Fletcher, Theodore
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for an improved wrench that has two movable jaws and can separate about the length of the handle. The wrench's "head or nut for operating the upper jaw is swiveled and forms a part of the handle" (lines 14-15). The wrench can be converted into a pipe-wrench.
Date: May 9, 1893
Creator: King, Will Henry Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hose or Pipe Coupling.

Description: Patent for a hose or pipe coupling that automatically couples cars, and uncouples one or more pipes are automatically uncoupled by steam, air, or fluid pressure. The "invention consists of a pair of twin couplers through each of which one or more tubes are conducted, the apertures of which in the face of one coupler register with those in the face of the opposite coupler, each coupler being provided with guides or other suitable means for bringing it into alignment with the other and with a bol… more
Date: August 15, 1893
Creator: Gebhardt, William Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Caisson-Driver.

Description: Patent for an improved machine that sinks caissons into gravel or mud in order to make a foundation for breakwater, jetty, bridge, or similar purpose. It applies continuous and heavy pressure to the caisson during operation, and "is provided with a jet apparatus to force the sand and mud from within the caisson and cause it to settle around the outer portion of the same, thus holding it firmly in place, and which in general enables a caisson foundation to be laid with great facility and in a su… more
Date: April 4, 1893
Creator: Perrenot, Theodore F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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