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US1278453A
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Pipe-cleaning apparatus.
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US1181310A
|
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Pipe-cleaning machine.
|
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US1089641A
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Apparatus for inserting pipe-cleaning devices into pipe-lines.
|
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US1145916A
|
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Means for supporting sheaves.
|
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US1033587A
|
|
Device for passing cables through pipe-lines.
|
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US1036114A
|
|
Device for passing cables through pipe-lines.
|
|
US1006261A
|
|
Device for inserting pipe-cleaning machines into pipe-lines.
|
|
US1041470A
|
|
Device for measuring the flow of water.
|
|
US1035994A
|
|
Device for passing cables through pipe-lines.
|
|
US952130A
|
|
Jack.
|
|
US1006260A
|
|
Pipe-fitting.
|
|
US953666A
|
|
Pipe-cleaning device and piston therefor.
|
|
US971042A
|
|
Apparatus for cleaning water-pipes.
|
|
CA121226A
|
|
Device for cleaning pipe and conduits
|
|
CA118485A
|
|
Means of cleaning water pipes
|
|
US929110A
|
|
Device for cleaning pipe-lines.
|
|
CA114140A
|
|
Device for cleaning water pipes
|
|
US914824A
|
|
Device for cleaning pipe-lines.
|
|
US920455A
|
|
Device for passing cables through pipe-lines.
|
|
US906595A
|
|
Art of cleaning pipe-lines.
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