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Nuremberg, Germany

Karl Schalk

USPTO Granted Patents = 7

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 100(Granted Patents)

Location History:

Nurnberg, DE (1979)
Nuremberg, DE (1979 - 1981)

Company Filing History:

7 out of 30,040

Siemens Aktiengesellschaft

Years Active: 1979-1981

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4286184 - Electronic motor having a multi-pole external rotor (1981-08-25),

2. 4266147 - Circuit arrangement for forming a speed-proportional output voltage from (1981-05-05),

3. 4246518 - Brushless direct current motor (1981-01-20),

4. 4242624 - Direct current stepper motor with a permanent magnet rotor and (1980-12-30),

5. 4225811 - Direct current motor with polyphase stator winding and electronic (1980-09-30),

6. 4167693 - Control arrangement for a brushless D-C motor (1979-09-11),

7. 4132930 - Brushless D-C motor with several Y connected phase windings (1979-01-02),

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