Occasional Electronic Publication No. 1 - Society for Industrial ...

Gray- -Gunn
Gray, John
26,583 Dec. 27, 1859 Metal shoe to secure counterbraces. Labeled “truss bridge.”
Gray, Richard
489,946 Jan. 17, 1893 Pratt truss configuration. Half-hip. Tubular top chord. Web and bottom
chord of metal rods. Slight upward pitch to bottom chord in end panels.
Green, William
458,161 Aug. 25, 1891 Pratt truss configuration. Cross-braced panels. Segmented tubular chords.
Gregory, Thomas
105,195 Jul. 12, 1870 *Adjustable abutment support. Labeled “truss bridge.”
Greiner, J.E.
528,940 Nov. 13, 1894 Howe truss configuration. All members fabricated from used railroad
rails. Single-diagonal panels. B&O RR overhead bridge.
535,695 Mar. 12, 1895 Superimposed bowstring in center of truss having either Pratt or Howe end
panels with single diagonals. Railroad rails not mentioned in specifications
but known to have been used in built examples.
Gridley, J. B
9,093 Jul. 6, 1852 Timber Howe-like truss configuration. Knee braces at abutments. Halfspan
diagonal struts with single compression diagonals in panel areas
below strut and cross diagonals in panel areas above. Timber braced.
Half-span diagonal struts.
Griffen, John – see Clarke, Bonzano & Griffen
Grotz, Remig
63,507 Apr. 2, 1867 *Ferry guard. Listed under “bridge” in Patent Office index. Specifications
titled “improvement in bridges.” Patent drawing labeled “ferry guard.”
Groves, Hugh
249,038 Nov. 1, 1881 Bowstring truss. Sheet metal on top of arched timber chord provides
protection. Vertical rods and crossed diagonals are secured to lateral
floor beams. Additional diagonal struts extend from bottom of vertical
at mid-span.
Guiou, Peter
14,313 Feb. 26, 1856 Bowstring truss. Web has full, half, and quarter span braces. Radiating
verticals.
Gunn, William
629,902 Aug. 1, 1899 *Splayed towers for suspension bridges. Labeled “bridge.”
639,804 Aug. 8, 1899 *Splayed towers for suspension bridges. Labeled “bridge.”
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