Manufacturers Index - Stow Flexible Shaft Co., Ltd.
Stow Flexible Shaft Co., Ltd.
Philadelphia, PA, U.S.A.
Manufacturer Class:
Metal Working Machinery
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.
|
130,253
|
Aug. 06, 1872
|
Improvement in flexible shafts
|
Nelson Stow |
Binghamton, NY |
|
|
201,178
|
Mar. 12, 1878
|
Device for Transmitting Power
|
John F. Haskins |
Philadelphia, PA |
|
|
397,311
|
Feb. 05, 1889
|
Drilling-machine
|
Frederic Schoff |
Philadelphia, PA |
This machine is "to be used as a portable drilling-machine in connection with a flexible driving-shaft". |
|
420,284
|
Jan. 28, 1890
|
Universal Joint Coupling
|
Frederic Schoff |
Philadelphia, PA |
|
|
428,023
|
May. 13, 1890
|
Casing for flexible shafts
|
Frederic Schoff |
Philadelphia, PA |
|
|
437,459
|
Sep. 30, 1890
|
Portable reaming and tapping tool
|
Frederic Schoff |
Philadelphia, PA |
|
|
438,230
|
Oct. 14, 1890
|
Flue Hole Cutter
|
John G. Erd |
Saginaw, Saginaw County, MI |
We believe that this patent may be the basis for the Stow Dead Light & Air Port Cutter.
http://www.vintagemachinery.org/mfgindex/imagedetail.aspx?id=20768 |
|
438,740
|
Oct. 21, 1890
|
Method of and machine for tapping or connecting branches to pipes
|
Philip Eley |
Bayonne, NJ |
This patent date was seen on an "Air Port Cutter" in a catalog from Stow Flexible Shaft Co., and this is is a possible match. |
|
439,567
|
Oct. 28, 1890
|
Corner Drill Press
|
Frederic Schoff |
Philadelphia, PA |
|
|
441,509
|
Nov. 25, 1890
|
Drill-support
|
Frederic Schoff |
Philadelphia, PA |
|
|