
Sunray Chang
Examiner (ID: 17547, Phone: (571)272-3682 , Office: P/2121 )
| Most Active Art Unit | 2121 |
| Art Unit(s) | 2121 |
| Total Applications | 427 |
| Issued Applications | 241 |
| Pending Applications | 14 |
| Abandoned Applications | 172 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 16629301
[patent_doc_number] => 20210047954
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[patent_kind] => A1
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[patent_title] => Method for Operating an Exhaust System of an Internal Combustion Engine of a Motor Vehicle and Exhaust System for an Internal Combustion Engine of a Motor Vehicle
[patent_app_type] => utility
[patent_app_number] => 16/963111
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Array
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[patent_issue_date] => 2022-07-19
[patent_title] => Internal combustion engine with exhaust gas aftertreatment and control of the nitrogen oxide emissions
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Array
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[patent_title] => Diagnostic test for engine exhaust system
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Array
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[patent_title] => SYSTEMS AND METHODS FOR OXYGEN SENSOR LIGHT-OFF
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Array
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[patent_title] => ENGINE EXHAUST AFTERTREATMENT DEVICE AND METHOD
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Array
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Array
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Array
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Array
(
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[patent_title] => CONTROL SYSTEM FOR VARIABLE DISPLACEMENT ENGINE
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Array
(
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[patent_title] => Movable emission control system for auxiliary diesel engines
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Array
(
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Array
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Array
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Array
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Array
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