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US Patent: 790,853
Flange Wrench
James F. Reddy - Rochester, NY

USPTO Classifications:
105/129, 81/129, 81/176.2

Tool Categories:
wrenches : flange wrenches


Not known to have been produced

Clarence Shaw
M. D. Blondel
wm. Milligan
John J. Meyer

Patent Dates:
Applied: Apr. 11, 1903
Granted: May 23, 1905

Patent Pictures:
James F. Reddy patent May 23, 1905
USPTO pdf tiff
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Two segments with right-angle bends clamp together to form an adjustable pin spanner for pipe flanges.

The illustrations in Figs. 4 & 5 show applications on large and smaller scale. The Fig. 4 image shows two workmen assembling pipeline segments, and the adjustable pin spanner being turned by a supplemental lever handle. Fig. 5 shows the handle as extensions of the two right-angle bend segments.

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