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

Post- -Pulliam
Post, Andrew (Atlantic Bridge Works, New York, N.Y.; Post & McCord, New York, N.Y.)
81,406 Aug. 25, 1868 Tapered strut. Labeled “bridge girder & column.”
81,817 Sep. 1, 1868 Method to protect timber chords from crushing force of iron struts.
Double-intersecting truss configuration used as an example. Labeled
“truss bridge.”
Post, John W.
176,806 May 2, 1876 *Trussed beam with multiple struts. Column-supported deck-bridge.
All members are tubular sections.
Post, Simeon S. (Watson Mfg. Co., Paterson, N.J.)
38,910 Jun. 16, 1863 Joint detail to control expansion. Example is a double-intersection
Pratt truss configuration. Labeled “iron bridge.”
Post Truss
not patented ca. 1865 This double-intersection, Pratt-like, truss configuration with inclined
verticals, known as the “Post” truss, was not patented.
Pratt, Aaron
597,590 Jan. 18, 1898 *Culvert. Fabricated with a series of arched plates. Labeled “bridge.”
Pratt, Thomas – also see Pratt & Pratt
114,039 Apr. 25, 1871 Warren truss configuration. Mostly channel sections. All joint connections
made with riveted gusset plates.
137,482 Apr. 1, 1873 Timber Warren truss configuration. Multi-planked members.
Pratt, Thomas & Caleb Pratt
3,523 Apr. 4, 1844 Two configurations for timber-chord trusses. One with a curved top
chord and crossed rods in all panels. Second with a horizontal top chord
with crossed rods in all panels and an inclined four-panel brace at its
ends.
Price, Jehu & James Phillips
1,994 Feb. 23, 1841 Method for joining wood members using notched interlocking keys.
Patent drawing shows stacked timber trusses. Labeled “truss bridge.”
Pulliam, Luther
457,291 Aug. 4, 1891 *Built-up timber girder of stacked boards with staggered blocking and
staggered, partial height, vertical and diagonal metal clamps.
495,005 Apr. 4, 1893 Combination of truss configurations. Stacked, rod-stayed timber
bottom chords. Inclined timber top chord. Tie rods in end thirds of span.
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