IP Library › Granted Patent US 6,652,240
Granted Patent Utility
US 6,652,240 · Confirmation No. 6710

METHOD AND CONTROL SYSTEM FOR CONTROLLING MULTIPLE THROTTLED INLET ROTARY SCREW COMPRESSORS

Inventor: Ernest J. Wichert
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2010-11-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-11-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
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2010-10-28 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
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2010-07-19 PA.. Power of Attorney 1 View
2010-07-19 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
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2010-04-29 PA.. Power of Attorney 1 View
2010-04-29 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2010-04-29 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-07-07 PA.. Power of Attorney 2 View
2009-07-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-09-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-01-24 TRNA Transmittal of New Application 3 View
2002-01-24 DRW Drawings-only black and white line drawings 8 View
2002-01-24 OATH Oath or Declaration filed 1 View
2001-08-20 TRNA Transmittal of New Application 3 View
2001-08-20 SPEC Specification 34 View
2001-08-20 CLM Claims 9 View
2001-08-20 ABST Abstract 1 View
2001-08-20 DRW Drawings-only black and white line drawings 8 View
2001-08-20 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,652,240
App. No.
09/933,061
Filed
2001-08-20
Granted
2003-11-25
Pub. No.
US20030039550A1
Art Unit
3742
PTA
-86 days