All Patents in class 74 |
Patents 2356 -
2370
of 3490
|
Number | Date | Patentee | Title | Type |
1,664,919 | Apr. 03, 1928 | E. Ek | Operating device | wood planer accessories |
1,666,422 | Apr. 17, 1928 | D.C. Klausmeyer | Master Radial Drill Speed Box | metalworking speed changing mechanisms |
1,666,906 | Apr. 24, 1928 | C.L. Mattison | Wood-turning machine | wood lathes |
1,668,647 | May 08, 1928 | A.M. Johnson | Feed mechanism for drilling machines | drill presses |
1,669,319 | May 08, 1928 | R.M. Bennethum | Windmill | wind power apparatus |
1,670,794 | May 22, 1928 | J.B. Armitage | Power Transmitting Mechanism | metalworking machine mechanisms |
1,671,396 | May 29, 1928 | P.R. Thompson, W.I. Ballentine | Rein Guide | tractor steering apparatus |
1,672,128 | Jun. 05, 1928 | D.C. Klausmeyer | Upright Drill Depth Gauge | metalworking machine mechanisms |
1,678,384 | Jul. 24, 1928 | B.P. Graves | Variable Speed Driving Mechanism | metalworking variable speed mechanisms |
1,679,529 | Aug. 07, 1928 | A.M. Johnson | Automatic machine tool | tapping machines |
1,679,541 | Aug. 07, 1928 | F.W. Parker | Shaper | metal shapers |
1,679,825 | Aug. 07, 1928 | R.J. Holmgreen, J.H. Holmgreen | Rotary Well Drilling Machine | well drilling machines |
1,679,884 | Aug. 07, 1928 | H.T. Thomas | Attachment for drills | handheld power tool accessories |
1,682,788 | Sep. 04, 1928 | J.T. Janette | Motor and pump for oil heating system | furnaces |
1,683,448 | Sep. 04, 1928 | C.M. Conradson | Selective Geared Head Lathe | metalworking machine mechanisms |