All Patents in class 74 |
Patents 2311 -
2325
of 3470
|
Number | Date | Patentee | Title | Type |
1,624,954 | Apr. 19, 1927 | G.H. Knight | Bull Gear inclosure for Crank Shaping Machines | metalworking machine mechanisms |
1,625,397 | Apr. 19, 1927 | A.E. Robinson | Friction Clutch Mechanism | metalworking machine clutches |
1,626,001 | Apr. 26, 1927 | E.J. Kearney | Machine Tool Drive | milling machines |
1,628,061 | May 10, 1927 | C.M. Petersen | Multiple-Spindle Metal-Turning Machine | |
1,632,375 | Jun. 14, 1927 | R.T. Hazelton | Shaper | metal shapers |
1,632,671 | Jun. 14, 1927 | R.A. Norling | Reversing mechanism for electric drills | handheld power drills |
1,634,149 | Jun. 28, 1927 | D.C. Klausmeyer | Brake Mechanism for Drill Spindles | metalworking machine mechanisms |
1,638,027 | Aug. 09, 1927 | W.B. Kochner, J.F. Galvin | Fan-oscillating mechanism | |
1,638,654 | Aug. 09, 1927 | J.C. Carlton | Radial Drill | radial drill presses |
1,640,570 | Aug. 30, 1927 | G.E. Hieber | Power hammer | |
1,642,863 | Sep. 20, 1927 | W.E. Whipp | Headstock for Lathes | engine lathes |
1,646,441 | Oct. 25, 1927 | F.R. Belluche | Mechanical movement | printer |
1,648,888 | Nov. 15, 1927 | F.E. Aurand | Portable surface-cleaning tool | |
1,653,576 | Dec. 20, 1927 | D.C. Klausmeyer | Lubricating System for Drill Heads | metalworking machine lubrication |
1,657,434 | Jan. 24, 1928 | R.T. Hazelton | Circular Feeding Attachment | metal shaper accessories |