Manufacturers Index - A. W. Gray's Sons
A. W. Gray's Sons
Middletown Springs, VT, U.S.A.
Manufacturer Class:
Wood Working Machinery & Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
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USPTO = U.S. Patent Office .
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DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
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2,833
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Oct. 26, 1842
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Endless-chain horse-power
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Albert W. Gray |
Middletown, VT |
A. W. Gray's Sons of Middletown, Vt., made sawing machines. |
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4,525
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May. 16, 1846
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Wrought-nail machinery
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Albert W. Gray |
Middletown, VT |
A. W. Gray's Sons of Middletown, Vt., made sawing machines. |
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15,693
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Sep. 09, 1856
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Link of horse-powers
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Albert W. Gray |
Middletown, VT |
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines. This patent was granted an extension. |
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RE1,322
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Jul. 01, 1862
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Improvement in horse-powers
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Albert W. Gray |
Middletown, VT |
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines. This patent was granted an extension. |
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133,773
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Dec. 10, 1872
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Improvement in machines for corrugating metal plates
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Albert W. Gray |
Middletown, VT |
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines. |
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141,268
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Jul. 29, 1873
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Improvement in links of endless chains for horse-powers
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Albert W. Gray |
Middletown, VT |
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines. |
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157,990
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Dec. 22, 1874
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Improvement in bolt or rod cutters
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Albert W. Gray |
Middletown, VT |
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines. |
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166,456
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Aug. 10, 1875
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Improvement in grain-separators
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Albert W. Gray |
Middletown, VT |
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines. |
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227,765
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May. 18, 1880
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Wrench
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Leonidas Gray |
Middletown Springs, VT |
The patent describes a mechanically simple, physically robust ratchet wrench. The handle is wood. The wrench was supplied by the A.W. Gray's Sons manufacturing company of Middletown Springs, VT. as a tooth replacement wrench for threshing machines.
Known examples are made of malleable iron castings and are marked with part numbers. The side plates are also marked "PAT. MAY 18, 1880 BY A. W. GRAY'S SONS."
The wrench is incorporated in Canadian patent 12,020 which covers the threshing cylinder, concaves and tooth wrench. |
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Wrench
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Albert Y. Gray |
Middletown Springs, VT |
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12,020
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Nov. 24, 1880
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Improvements on Threshing Machines
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Leonidas Gray |
Middletown Springs, VT |
The patent discusses the construction of the cylinder and concaves, and the components of a ratchet wrench designed to work with that construction.
The wrench design also received a separate U.S. patent (no. 227,765 granted May 18,1880). An example is pictured in the DATAMP entry for that patent. |
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Improvements on Threshing Machines
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Albert Y. Gray |
Middletown Springs, VT |
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326,497
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Sep. 15, 1885
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Governor
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Albert Y. Gray |
Middletown Springs, VT |
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines. |
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Governor
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Leonidas Gray |
Middletown Springs, VT |
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434,266
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Aug. 12, 1890
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Brake for horse-powers or speed-regulators
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Albert Y. Gray |
Middletown Springs, VT |
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines. |
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Brake for horse-powers or speed-regulators
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Leonidas Gray |
Middletown Springs, VT |
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448,957
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Mar. 24, 1891
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Attachment for the separators of thrashing-machines
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Albert Y. Gray |
Middletown Springs, VT |
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines. |
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Attachment for the separators of thrashing-machines
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Leonidas Gray |
Middletown Springs, VT |
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