| Patents for Louis Allis Co. |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| CA-254,413 | Oct. 06, 1925 | J.M. Barr | Speed controller | motor controls |
| CA-275,069 | Nov. 01, 1927 | T.S. Watson | Motor-controlling device | motor controls |
| CA-284,793 | Nov. 13, 1928 | H.L. Smith | Explosion proof motor | electric motors |
| 2,017,255 | Oct. 15, 1935 | C.F. Norton | Electric motor | capacitor start induction motors |
| D151,308 | Oct. 05, 1948 | T.R. Wieseman, R.I. Robinson | Design for an electric motor | electric motors |
| 2,500,971 | Mar. 21, 1950 | T.R. Wieseman, R.I. Robinson, F.J. Rathbun | Sanitary motor construction | electric motors |
| 2,592,070 | Apr. 08, 1952 | R.I. Robinson | Vertical sanitary motor | electric motors |
| 2,613,240 | Oct. 07, 1952 | R.I. Robinson | Means for cooling heavy duty motors | motor cooling |
| CA-487,182 | Oct. 14, 1952 | T.R. Wieseman, R.I. Robinson, F.J. Rathbun | Sanitary motor construction | electric motors |
| D172,769 | Aug. 03, 1954 | C.W. Sundberg | Electric motor | electric motors |
| D173,547 | Nov. 23, 1954 | C.W. Sundberg | Electric motor | electric motors |
| D187,791 | May 03, 1960 | E.S. Dunn | Immersible electric motor | electric motors |
| 2,976,438 | Mar. 21, 1961 | F.G. Luber, R.I. Robinson, A.M. Moody | Electric gear-motor drive unit | gear motors |
| 3,088,042 | Apr. 30, 1963 | R.I. Robinson | Electric motor with improved cooling means | motor cooling |
| CA-684,325 | Apr. 14, 1964 | R.I. Robinson | Electric motor with improved cooling means | motor cooling |
