Electricity: motor control systems inventions

Recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing format for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 10/29/2009 > patent applications in patent subcategories.
10/22/2009 > patent applications in patent subcategories.

20090263110 - Soft start motor control using back-emf: A method of controlling in-rush current to a DC motor is disclosed. The method may include operating the DC motor in a first mode including applying back-EMF across a relay coil to maintain the relay in an open configuration when the back-EMF is below a predetermined voltage. The method may... Agent: Caterpillar/finnegan, Henderson, L.L.P.

10/15/2009 > patent applications in patent subcategories.

20090257740 - Switching regulation circuit and dual-winding motor apparatus: A switching regulation circuit for a dual-winding motor apparatus is provided. The switching regulation circuit comprises a gate-controlled device and a driving circuit. When one of the two windings generates an induced voltage signal greater than a threshold value, the driving circuit generates an output signal for turning on the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

10/08/2009 > patent applications in patent subcategories.
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