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.
4,212
|
Dec. 29, 1874
|
Improvements on carriages
|
George White |
ON, Canada |
|
30,858
|
Feb. 27, 1889
|
Machine for thrashing and separating grain
|
George White |
ON, Canada |
|
32,024
|
Aug. 06, 1889
|
Grain scourer
|
George White |
ON, Canada |
An example use of this machine was to remove the beards from barley. |
354,967
|
Dec. 24, 1935
|
Threshing machine feeder
|
John Beer |
ON, Canada |
|
503,733
|
Jun. 15, 1954
|
Forage harvesters
|
Joseph O. Lemaire |
ON, Canada |
|
565,218
|
Oct. 28, 1958
|
Sectional metal doors
|
Allan M. Buehler |
ON, Canada |
This is a section door such as a garage door and is intended to greatly reduce the number of bolts needed to assemble a complete door. |
1,152,462
|
Aug. 23, 1983
|
Tank-baffle system
|
Rogers R. Barry |
ON, Canada |
The invention is a baffle system for polyethylene tanks that avoids welding, bolting or gluing, all of which are problematic with polyethylene. Instead, indentations in the tank walls are provided to hold baffles in place. |