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Patent applications and USPTO patent grants for Li; Renfu.The latest application filed is for "efficient recycling system for exhaust energy of internal combustion engine".
Patent | Date |
---|---|
Efficient Recycling System For Exhaust Energy Of Internal Combustion Engine App 20220259990 - Li; Renfu ;   et al. | 2022-08-18 |
Methods and systems for detecting defects in welded structures utilizing pattern matching Grant 8,256,296 - Ume , et al. September 4, 2 | 2012-09-04 |
Methods and systems for classifying the type and severity of defects in welds Grant 8,146,429 - Ume , et al. April 3, 2 | 2012-04-03 |
Methods And Systems For Classifying The Type And Severity Of Defects In Welds App 20110023610 - Ume; Ifeanyi Charles ;   et al. | 2011-02-03 |
Methods And Systems For Detecting Defects In Welded Structures Utilizing Pattern Matching App 20110023609 - Ume; Ifeanyi Charles ;   et al. | 2011-02-03 |
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