All Patents in class 310/62 |
Patents 1 -
15
of 25
|
Number | Date | Patentee | Title | Type |
627,531 | Jun. 27, 1899 | W.H. Rotth | Dynamo Electric Machine | electric motors |
1,115,406 | Oct. 27, 1914 | J.L. Davis | Dynamo-electric machine | electric motors |
1,121,014 | Dec. 15, 1914 | H.M. Hobart | Electrical apparatus | electrical devices |
RE14,370 | Oct. 02, 1917 | J.L. Davis | Dynamo-electric machine | woodworking electrics |
1,261,386 | Apr. 02, 1918 | R.E. Hellmund, C.W. Starker | Dynamo-electric machine | motor cooling |
1,278,865 | Sep. 17, 1918 | J.F. Curtis | Dynamo-electric machine | motor cooling |
1,305,242 | Jun. 03, 1919 | G.W. Allen | Pneumatic cleaner | |
1,360,483 | Nov. 30, 1920 | J.B. Wiard | Dynamo-electric machine | motor cooling |
1,479,636 | Jan. 01, 1924 | J.B. Wiard | Dynamo-electric machine | electric motors |
1,525,691 | Feb. 10, 1925 | G.H. Poth | Electric motor | handheld power tools |
1,551,236 | Aug. 25, 1925 | R.L. Carter | Means for cooling high-speed motors | handheld routers |
1,587,760 | Jun. 08, 1926 | E.L. Connell | Electric motor | handheld power drills |
1,652,401 | Dec. 13, 1927 | F.P. Forss | Air cooling for electric drill | handheld power drills |
1,754,222 | Apr. 15, 1930 | E.L. Connell | Electric drill | |
1,784,102 | Dec. 09, 1930 | E.E. Dreese, J.F. Lincoln | Dynamo Electric Machine | electric generators |