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US Patent: 1,054,700
Compression Wrench
William H. Lutz - Philadelphia, PA

USPTO Classifications:
81/90.2, 81/90.5

Tool Categories:
wrenches : pipe wrenches : chain and strap wrenches


Lutz-Webster Engineering Co. - Philadelphia, PA

Robert M. Barr
C. D. McVay
P. F. Nagle
L. Douville

Patent Dates:
Applied: Oct. 13, 1911
Granted: Mar. 04, 1913

Patent Pictures:
William H. Lutz patent March 4, 1913
USPTO pdf tiff
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The patented features are details of the adjustable fulcrum point, the geared connection to the gripping links, and related structures.

The specifications note the Wiegand June 6, 1899 patent (no. 626,401 and Fisher Nov. 1, 1904 patent (no. 773,933).

This patent together with Lutz's subsequent patent (no. 1,081,684) were used in a friction wrench primarily employed as alternative to a ratchet handle in drill post equipment and related tools produced by the Lutz-Webster Engineering Co. of Philadelphia.

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