IP Library Granted Patent US 6,438,994
Granted Patent Utility
US 6,438,994 · Confirmation No. 8788

METHOD FOR PROVIDING REFRIGERATION USING A TURBOEXPANDER CYCLE

Patented Case View Patent ↗
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Code Description Pages PDF
2001-09-27 TRNA Transmittal of New Application 2 View
2001-09-27 SPEC Specification 12 View
2001-09-27 CLM Claims 4 View
2001-09-27 ABST Abstract 1 View
2001-09-27 DRW Drawings-only black and white line drawings 4 View
2001-09-27 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,438,994
App. No.
09/963,450
Filed
2001-09-27
Granted
2002-08-27
Art Unit
3744
PTA
-77 days