Chai; Yongquan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chai; Yongquan.The latest application filed is for "systems and techniques for heating urea injection systems".

Company Profile

2.7.7

Chai; Yongquan - Columbus IN
- Columbus IN US

*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
Systems and techniques for heating urea injection systems Grant 10,094,259 - Naik , et al. October 9, 2	2018-10-09
Systems and Techniques for Heating Urea Injection Systems App 20160376964 - NAIK; Mugdha ; et al.	2016-12-29
Systems and techniques for heating urea injection systems Grant 9,458,746 - Naik , et al. October 4, 2	2016-10-04
Urea injection systems wash cycles Grant 9,255,512 - Huang , et al. February 9, 2	2016-02-09
Reintroduction of Air in Delivery System Accumulator App 20160032805 - Huang; Wei ; et al.	2016-02-04
Urea Injection Systems Wash Cycles App 20150027556 - Huang; Wei ; et al.	2015-01-29
Reductant dosing control systems and methods Grant 8,920,757 - Chandrapati , et al. December 30, 2	2014-12-30
Reductant dosing control systems and methods Grant 08920757 -	2014-12-30
System, method, and apparatus for delivering highly atomized diesel exhaust fluid to an exhaust aftertreatment system Grant 8,888,017 - Ponnathpur , et al. November 18, 2	2014-11-18
Systems And Techniques For Heating Urea Injection Systems App 20140245722 - Naik; Mugdha ; et al.	2014-09-04
System, Method, And Apparatus For Delivering Highly Atomized Diesel Exhaust Fluid To An Exhaust Aftertreatment System App 20120160934 - Ponnathpur; Chetan ; et al.	2012-06-28
Mass Air Flow Sensor Adaptor App 20090241683 - Perr; Andrew P. ; et al.	2009-10-01

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