Cheng; Alan Tat-Yan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cheng; Alan Tat-Yan.The latest application filed is for "method and apparatus for injecting oxygen into fermentation processes".

Company Profile

0.7.3

Cheng; Alan Tat-Yan - Livingston NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus for injecting oxygen into fermentation processes Grant 7,279,319 - Cheng October 9, 2	2007-10-09
Method and apparatus for injecting oxygen into fermentation processes Grant 7,048,262 - Cheng May 23, 2	2006-05-23
Method and apparatus for injecting oxygen into fermentation processes App 20050067724 - Cheng, Alan Tat-Yan	2005-03-31
External loop nonfreezing heat exchanger Grant 6,622,496 - Cheng , et al. September 23, 2	2003-09-23
External loop nonfreezing heat exchanger App 20030101736 - Cheng, Alan Tat Yan ; et al.	2003-06-05
Method and apparatus for injecting oxygen into fermentation processes App 20030080446 - Cheng, Alan Tat-Yan	2003-05-01
Submersible in-situ oxygenator Grant 6,273,402 - Cheng August 14, 2	2001-08-14
Method of making supersaturated oxygenated liquid Grant 6,250,609 - Cheng , et al. June 26, 2	2001-06-26
System for enhanced gas dissolution having a hood positioned over the impeller with segregating rings Grant 6,145,815 - Cheng , et al. November 14, 2	2000-11-14
Cryogenic cold shelf Grant 5,701,745 - Cheng , et al. December 30, 1	1997-12-30

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