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Patent applications and USPTO patent grants for Centers; Steven DeWayne.The latest application filed is for "smart blow-down system for variable frequency drive compressor units".
Patent | Date |
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Smart blow-down system for variable frequency drive compressor units Grant 8,721,301 - Tang , et al. May 13, 2 | 2014-05-13 |
Smart Blow-Down System for Variable Frequency Drive Compressor Units App 20130045118 - Tang; Yan ;   et al. | 2013-02-21 |
Smart blow-down system for variable frequency drive compressor units Grant 8,308,446 - Tang , et al. November 13, 2 | 2012-11-13 |
Smart Blow-down System For Variable Frequency Drive Compressor Units App 20080317607 - Tang; Yan ;   et al. | 2008-12-25 |
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