| Patents for Master Electric Co. |
Patents 16 -
30
of 35
      |
| Number | Date | Patentee | Title | Type |
| 2,011,493 | Aug. 13, 1935 | E.P. Larsh | Self aligning bearing | motor bearings |
| 2,032,015 | Feb. 25, 1936 | D.H. Heynau | Friction gear transmission | industrial machine speed and direction changing mechanisms |
| 2,068,992 | Jan. 26, 1937 | E.P. Larsh | Vibrating machine | reciprocating or vibrating electric motors |
| 2,074,067 | Mar. 16, 1937 | V.L. Darnell | Ventilated splashproof motor housing | motor housings |
| 2,100,426 | Nov. 30, 1937 | A.F. Berger, M. Voege | Electric series-parallel switch | electric switches |
| 2,116,708 | May 10, 1938 | R.A. Niekamp | Apparatus for compacting concrete | |
| 2,199,491 | May 07, 1940 | D.H. Heynau | Friction gear transmission | industrial machine speed and direction changing mechanisms |
| 2,261,477 | Nov. 04, 1941 | W.H. Kuner | Electric motor | electric motors |
| 2,295,203 | Sep. 08, 1942 | V.L. Darnell | Field ring | motor housings |
| 2,300,838 | Nov. 03, 1942 | C.H. Dicke | Stoker motor control | motor controls |
| 2,320,379 | Jun. 01, 1943 | R.A. Niekamp | Electric motor gearing | gear motors |
| 2,381,914 | Aug. 14, 1945 | J. Leflar, V.L. Darnell | Motor housing | motor housings |
| 2,385,369 | Sep. 25, 1945 | R.A. Niekamp | Shaft coupling | industrial machine shaft couplings |
| 2,499,390 | Mar. 07, 1950 | H.M. Joy | Rotor for alternating current | electric motor making |
| 2,502,463 | Apr. 04, 1950 | J. Leflar | Short circuiter for repulsion-induction electric motors | repulsion start induction run motors |
