
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] => 13523401
[patent_doc_number] => 20180313243
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-11-01
[patent_title] => PARTICULATE MATTER DETECTING DEVICE
[patent_app_type] => utility
[patent_app_number] => 15/769794
[patent_app_country] => US
[patent_app_date] => 2016-10-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15769794
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/769794 | Particulate matter detecting device | Oct 20, 2016 | Issued |
Array
(
[id] => 16664161
[patent_doc_number] => 10933387
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-03-02
[patent_title] => Reducing agent mixer
[patent_app_type] => utility
[patent_app_number] => 16/328299
[patent_app_country] => US
[patent_app_date] => 2016-10-21
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16328299
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/328299 | Reducing agent mixer | Oct 20, 2016 | Issued |
Array
(
[id] => 13252215
[patent_doc_number] => 10138791
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-11-27
[patent_title] => Method of cleaning up a particulate filter of an internal combustion engine
[patent_app_type] => utility
[patent_app_number] => 15/298890
[patent_app_country] => US
[patent_app_date] => 2016-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 6167
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15298890
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/298890 | Method of cleaning up a particulate filter of an internal combustion engine | Oct 19, 2016 | Issued |
Array
(
[id] => 13815227
[patent_doc_number] => 10184376
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-01-22
[patent_title] => Method of managing a selective catalytic reduction system of a motor vehicle
[patent_app_type] => utility
[patent_app_number] => 15/295410
[patent_app_country] => US
[patent_app_date] => 2016-10-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 6817
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15295410
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/295410 | Method of managing a selective catalytic reduction system of a motor vehicle | Oct 16, 2016 | Issued |
Array
(
[id] => 11529294
[patent_doc_number] => 20170089270
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-03-30
[patent_title] => 'Element of an Exhaust Line Comprising Valve with Added Stoppers'
[patent_app_type] => utility
[patent_app_number] => 15/278069
[patent_app_country] => US
[patent_app_date] => 2016-09-28
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15278069
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/278069 | Element of an exhaust line comprising valve with added stoppers | Sep 27, 2016 | Issued |
Array
(
[id] => 11499961
[patent_doc_number] => 20170074145
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-03-16
[patent_title] => 'Exhaust Sampling System Including A Mixer That Mixes Exhaust Gas And Dilution Gas'
[patent_app_type] => utility
[patent_app_number] => 15/259659
[patent_app_country] => US
[patent_app_date] => 2016-09-08
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15259659
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/259659 | Exhaust Sampling System Including A Mixer That Mixes Exhaust Gas And Dilution Gas | Sep 7, 2016 | Abandoned |
Array
(
[id] => 14763189
[patent_doc_number] => 10392983
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-08-27
[patent_title] => Construction machine
[patent_app_type] => utility
[patent_app_number] => 15/757554
[patent_app_country] => US
[patent_app_date] => 2016-09-05
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15757554
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/757554 | Construction machine | Sep 4, 2016 | Issued |
Array
(
[id] => 11472004
[patent_doc_number] => 20170058787
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-03-02
[patent_title] => 'METHOD AND APPARATUS FOR COMBINED EXHAUST AND COMPRESSION RELEASE ENGINE BRAKING'
[patent_app_type] => utility
[patent_app_number] => 15/253708
[patent_app_country] => US
[patent_app_date] => 2016-08-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 4018
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[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15253708
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/253708 | Method and apparatus for combined exhaust and compression release engine braking | Aug 30, 2016 | Issued |
Array
(
[id] => 16184963
[patent_doc_number] => 10718274
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-07-21
[patent_title] => Exhaust pressure control valve
[patent_app_type] => utility
[patent_app_number] => 15/758755
[patent_app_country] => US
[patent_app_date] => 2016-08-29
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/758755 | Exhaust pressure control valve | Aug 28, 2016 | Issued |
Array
(
[id] => 13223861
[patent_doc_number] => 10125700
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-11-13
[patent_title] => System, method, and apparatus for managing aftertreatment component efficiency during motoring
[patent_app_type] => utility
[patent_app_number] => 15/249769
[patent_app_country] => US
[patent_app_date] => 2016-08-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15249769
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/249769 | System, method, and apparatus for managing aftertreatment component efficiency during motoring | Aug 28, 2016 | Issued |
Array
(
[id] => 11471952
[patent_doc_number] => 20170058736
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-03-02
[patent_title] => 'DRIVE DEVICE FOR A MOTOR VEHICLE AND METHOD OF OPERATING SUCH A DRIVE DEVICE'
[patent_app_type] => utility
[patent_app_number] => 15/248936
[patent_app_country] => US
[patent_app_date] => 2016-08-26
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15248936
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/248936 | Drive device for a motor vehicle and method of operating such a drive device | Aug 25, 2016 | Issued |
Array
(
[id] => 13252193
[patent_doc_number] => 10138780
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-11-27
[patent_title] => Method of operating an automotive system
[patent_app_type] => utility
[patent_app_number] => 15/235784
[patent_app_country] => US
[patent_app_date] => 2016-08-12
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/235784 | Method of operating an automotive system | Aug 11, 2016 | Issued |
Array
(
[id] => 11443979
[patent_doc_number] => 20170045000
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-02-16
[patent_title] => 'METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
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[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/235811 | Method of operating an internal combustion engine | Aug 11, 2016 | Issued |
Array
(
[id] => 11443927
[patent_doc_number] => 20170044948
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-02-16
[patent_title] => 'METHOD AND SYSTEM FOR EXHAUST EMISSIONS CONTROL'
[patent_app_type] => utility
[patent_app_number] => 15/234905
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/234905 | Method and system for exhaust emissions control | Aug 10, 2016 | Issued |
Array
(
[id] => 13169187
[patent_doc_number] => 10100699
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-10-16
[patent_title] => Emission control system and reductant injector
[patent_app_type] => utility
[patent_app_number] => 15/234706
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Array
(
[id] => 12186160
[patent_doc_number] => 20180045096
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-02-15
[patent_title] => 'SYSTEM AND METHOD FOR CONTROLLING DETECTING AND CLEANING DIESEL-EXHAUST-FLUID INJECTOR DEPOSITS'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/233261 | System and method for controlling detecting and cleaning diesel-exhaust-fluid injector deposits | Aug 9, 2016 | Issued |
Array
(
[id] => 13197113
[patent_doc_number] => 10113469
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-10-30
[patent_title] => Method of protecting a diesel particulate filter from overheating
[patent_app_type] => utility
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[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/233514 | Method of protecting a diesel particulate filter from overheating | Aug 9, 2016 | Issued |
Array
(
[id] => 13155197
[patent_doc_number] => 10094314
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-10-09
[patent_title] => Method of regenerating selective catalytic reduction catalyst on diesel particulate filter and exhaust purification system
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Array
(
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[patent_issue_date] => 2018-09-06
[patent_title] => EXHAUST-GAS TREATMENT EQUIPMENT AND GAS-CAPTURE-MATERIAL DETERIORATION-STATE ESTIMATING METHOD
[patent_app_type] => utility
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Array
(
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[patent_title] => 'METHODS OF USING GAS SENSORS'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/228499 | Methods of using gas sensors | Aug 3, 2016 | Issued |