All Patents of Type: grinders |
Patents 1 -
15
of 1535
|
Number | Date | Patentee | Title | Type |
6,521X | Apr. 27, 1831 | J.R. Farling, R.G. Nellis | Saw trimmer | saw sharpening machines |
6,527X | Apr. 29, 1831 | P. Newton | Gumming saws | saw sharpening machines |
7,010X | Apr. 19, 1832 | G.A. Madeira | Machinery for holding and grinding edge tools | sharpening machines |
7,180X | Jul. 24, 1832 | J. Bridges | Grinding cylinders, called the traverse grinder | cylindrical grinders |
8,224X | May 28, 1834 | J. Wheaton | Elliptical Spindle Grinder | grinders |
8,229X | May 31, 1834 | J. Draper | Gumming saws | sharpening machines |
9,582X | Apr. 11, 1836 | S.G. Merriman | Sharpening reciprocating saws | saw sharpening machines |
76 | Nov. 08, 1836 | E. Stoker | Machine for filing saw-teeth | saw sharpening machines |
801 | Jun. 21, 1838 | J.S. Harris | Machine for filing handsaws | saw sharpening machines |
931 | Sep. 19, 1838 | T. Selleck | Sharpening rotary saws | saw sharpening machines |
1,718 | Aug. 12, 1840 | E. Carver | Machine for filing or smoothing the teeth of saws | saw sharpening machines |
3,105 | May 26, 1843 | T. Fairbanks | Discharging Dust from Grinding Wheels | grinders |
3,927 | Feb. 24, 1845 | J. Arndt | Machine for filing saws | saw sharpening machines |
5,249 | Aug. 21, 1847 | C. Laffertey | Machinery for setting and filing saws | saw sharpening machines |
5,398 | Dec. 18, 1847 | W. Hovey | Machinery for Grinding Knives which have Warped Sufaces | tool grinders |