
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] => 12179321
[patent_doc_number] => 20180038256
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[patent_kind] => A1
[patent_issue_date] => 2018-02-08
[patent_title] => 'EXHAUST EMISSION CONTROL SYSTEM OF ENGINE'
[patent_app_type] => utility
[patent_app_number] => 15/650261
[patent_app_country] => US
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Array
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[patent_title] => Exhaust gas control system for internal combustion engine and control method for internal combustion engine
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Array
(
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[patent_issue_date] => 2019-01-17
[patent_title] => EXHAUST GAS MIXER
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Array
(
[id] => 12157764
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[patent_title] => 'OXIDATION CATALYST FOR A COMPRESSION IGNITION ENGINE AND A METHOD OF PREPARATION THEREFOR'
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Array
(
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[patent_title] => Exhaust gas purification apparatus for an internal combustion engine
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Array
(
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[patent_title] => WATER SEPARATION DEVICE FOR ENGINE EXHAUST GAS
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Array
(
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[patent_doc_number] => 11092053
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[patent_title] => Installation for depollution of exhaust gases, particularly of an internal-combustion engines, and method using such an installation
[patent_app_type] => utility
[patent_app_number] => 16/328075
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Array
(
[id] => 13794691
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[patent_title] => SELECTIVE CATALYTIC REDUCTION STEADY STATE AMMONIA SLIP DETECTION
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/645424 | Selective catalytic reduction steady state ammonia slip detection | Jul 9, 2017 | Issued |
Array
(
[id] => 13509169
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[patent_title] => INTERNAL COMBUSTION ENGINE INJECTION SYSTEM
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Array
(
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Array
(
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[patent_title] => NH3 SLIP DETECTION USING NOX SENSOR
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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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Array
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