IP Library Granted Patent US 6,450,245
Granted Patent Utility
US 6,450,245 · Confirmation No. 8453

AIR PREHEATER HEAT TRANSFER ELEMENTS

Inventor: Jianrong Chen
Patented Case View Patent ↗
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Code Description Pages PDF
2015-01-16 C.AD Change of Address 1 View
2015-01-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-10-24 TRNA Transmittal of New Application 1 View
2001-10-24 SPEC Specification 5 View
2001-10-24 CLM Claims 1 View
2001-10-24 ABST Abstract 1 View
2001-10-24 DRW Drawings-only black and white line drawings 5 View
2001-10-24 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,450,245
App. No.
10/039,959
Filed
2001-10-24
Granted
2002-09-17
Art Unit
3743
PTA
0 days