Welcome! 

Register :: Login
Manufacturers Index - Guilford Iron Works
Patents
This page contains information on patents issued to this manufacturer.

Submitting Patent Information

If you find a patent number or patent date by this manufacturer that is not on this list, please contact the Site Historian.


Key to Links for Patent Information

USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
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.

Patent Number Date Title Name City Description
573 Jan. 20, 1838 Improvement in the machine for sowing or planting ruta-baga and other seeds or grain Niram R. Merchant Guilford, NY
1,366 Oct. 12, 1839 Improvement in machines for planting corn Niram R. Merchant Guilford, NY
    Improvement in machines for planting corn Orin G. Merchant Guilford, NY  
2,724 Jul. 16, 1842 Stove Abel Cornell Guilford, NY
    Stove Niram R. Merchant Guilford, NY  
32,449 May. 28, 1861 Improvement in boring-machines Niram R. Merchant Guilford, NY An example of this invention appeared in a Martin J. Donnelly auction (actually, it was the improved version patented in 1876 as 177,652). The inventor died in 1863, a decade before this patent was reissued. "The object of this invention is to obtain a simple and efficient machine for simultaneously boring two holes at different distances apart for dowels, designed chiefly for the use of coopers for boring the pieces of cask-heads which are connected by dowels."
RE5,222 Jan. 07, 1873 Improvement in boring-machines Niram R. Merchant Guilford, NY The inventor had died in 1863. "The object of this invention is to obtain a simple and efficient machine for simultaneously boring two holes at different distances apart for dowels, designed chiefly for the use of coopers for boring the pieces of cask-heads which are connected by dowels."
177,652 May. 23, 1876 Improvement in doweling-machines Andrew P. Merchant Guilford, NY