IP Library › Granted Patent US 6,492,789
Granted Patent Utility Small
US 6,492,789 · Confirmation No. 8832

METHOD AND APPARATUS FOR CONTROLLING A HIGH-SPEED AC PERMANENT MAGNET SYNCHRONOUS MOTOR COUPLED TO AN INDUSTRIAL TURBO ENGINE

Inventor: Bing Cheng
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2018-01-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-01-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-12-20 PA.. Power of Attorney 1 View
2017-12-20 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2017-12-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-07-06 TRNA Transmittal of New Application 8 View
2001-07-06 A.PE Preliminary Amendment 3 View
2001-07-06 SPEC Specification 9 View
2001-07-06 CLM Claims 5 View
2001-07-06 ABST Abstract 1 View
2001-07-06 DRW Drawings-only black and white line drawings 3 View
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Quick Facts
Patent No.
US 6,492,789
App. No.
09/900,765
Filed
2001-07-06
Granted
2002-12-10
Pub. No.
US20020047681A1
Examiner
MASIH, KAREN
Art Unit
2837
PTA
-53 days