
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] => 10064420
[patent_doc_number] => 09103255
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-08-11
[patent_title] => 'Methods and systems for emission system control'
[patent_app_type] => utility
[patent_app_number] => 14/011674
[patent_app_country] => US
[patent_app_date] => 2013-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 9462
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 75
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14011674
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/011674 | Methods and systems for emission system control | Aug 26, 2013 | Issued |
Array
(
[id] => 11192134
[patent_doc_number] => 09422943
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-08-23
[patent_title] => 'Centrifugal fan'
[patent_app_type] => utility
[patent_app_number] => 14/010779
[patent_app_country] => US
[patent_app_date] => 2013-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 3430
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 186
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14010779
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/010779 | Centrifugal fan | Aug 26, 2013 | Issued |
Array
(
[id] => 9261950
[patent_doc_number] => 20130343879
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-12-26
[patent_title] => 'TURBINE COMPRISING A SEALING DEVICE BETWEEN THE STATOR BLADE CARRIER AND THE HOUSING'
[patent_app_type] => utility
[patent_app_number] => 14/011179
[patent_app_country] => US
[patent_app_date] => 2013-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 5579
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14011179
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/011179 | Turbine comprising a sealing device between the stator blade carrier and the housing | Aug 26, 2013 | Issued |
Array
(
[id] => 9258495
[patent_doc_number] => 20130340424
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-12-26
[patent_title] => 'CONTROL OF EXHAUST FLOW IN AN ENGINE INCLUDING A PARTICULATE FILTER'
[patent_app_type] => utility
[patent_app_number] => 14/011651
[patent_app_country] => US
[patent_app_date] => 2013-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 7697
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14011651
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/011651 | Control of exhaust flow in an engine including a particulate filter | Aug 26, 2013 | Issued |
Array
(
[id] => 9369659
[patent_doc_number] => 20140079532
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-03-20
[patent_title] => 'HYDRAULIC MACHINE AND METHOD OF OPERATING SAME'
[patent_app_type] => utility
[patent_app_number] => 14/010665
[patent_app_country] => US
[patent_app_date] => 2013-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 5134
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14010665
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/010665 | Hydraulic machine and method of operating same | Aug 26, 2013 | Issued |
Array
(
[id] => 9326767
[patent_doc_number] => 20140053549
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-02-27
[patent_title] => 'Four-Way Exhaust Gas Valve'
[patent_app_type] => utility
[patent_app_number] => 13/974500
[patent_app_country] => US
[patent_app_date] => 2013-08-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 5468
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13974500
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/974500 | Four-way exhaust gas valve | Aug 22, 2013 | Issued |
Array
(
[id] => 9194038
[patent_doc_number] => 20130333353
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-12-19
[patent_title] => 'CONTROL OF AFTERTREATMENT REGENERATION IN A HYBRID POWERED VEHICLE'
[patent_app_type] => utility
[patent_app_number] => 13/972083
[patent_app_country] => US
[patent_app_date] => 2013-08-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 7266
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13972083
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/972083 | Control of aftertreatment regeneration in a hybrid powered vehicle | Aug 20, 2013 | Issued |
Array
(
[id] => 9853718
[patent_doc_number] => 20150033734
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-02-05
[patent_title] => 'GAS FLOW DISTRIBUTING FLEXIBLE COUPLING'
[patent_app_type] => utility
[patent_app_number] => 13/954486
[patent_app_country] => US
[patent_app_date] => 2013-07-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2903
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13954486
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/954486 | Gas flow distributing flexible coupling | Jul 29, 2013 | Issued |
Array
(
[id] => 11332728
[patent_doc_number] => 09523974
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-12-20
[patent_title] => 'Method of controlling operation of an exhaust fluid treatment apparatus'
[patent_app_type] => utility
[patent_app_number] => 14/415910
[patent_app_country] => US
[patent_app_date] => 2013-07-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 3928
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 287
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14415910
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/415910 | Method of controlling operation of an exhaust fluid treatment apparatus | Jul 23, 2013 | Issued |
Array
(
[id] => 9724500
[patent_doc_number] => 20140260201
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-09-18
[patent_title] => 'METHOD, SYSTEM, AND APPARATUS FOR DIAGNOSING AN EXHAUST AFTERTREATMENT COMPONENT'
[patent_app_type] => utility
[patent_app_number] => 13/934143
[patent_app_country] => US
[patent_app_date] => 2013-07-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 9733
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13934143
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/934143 | Method, system, and apparatus for diagnosing an exhaust aftertreatment component | Jul 1, 2013 | Issued |
Array
(
[id] => 10792350
[patent_doc_number] => 20160138506
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2016-05-19
[patent_title] => 'DIAGNOSIS SYSTEM OF INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 14/900645
[patent_app_country] => US
[patent_app_date] => 2013-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 16652
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14900645
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/900645 | Diagnosis system of internal combustion engine | Jun 25, 2013 | Issued |
Array
(
[id] => 9218966
[patent_doc_number] => 20140013741
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-01-16
[patent_title] => 'SOOT BURNING METHOD FOR PARTICULATE FILTERS'
[patent_app_type] => utility
[patent_app_number] => 13/923144
[patent_app_country] => US
[patent_app_date] => 2013-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 4600
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13923144
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/923144 | Soot burning method for particulate filters | Jun 19, 2013 | Issued |
Array
(
[id] => 9103501
[patent_doc_number] => 20130276632
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-10-24
[patent_title] => 'RECLAMATION OF POTABLE WATER FROM MIXED GAS STREAMS'
[patent_app_type] => utility
[patent_app_number] => 13/915182
[patent_app_country] => US
[patent_app_date] => 2013-06-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 5890
[patent_no_of_claims] => 25
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13915182
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/915182 | Reclamation of potable water from mixed gas streams | Jun 10, 2013 | Issued |
Array
(
[id] => 9063475
[patent_doc_number] => 20130255231
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-10-03
[patent_title] => 'DEVICE FOR TREATING EXHAUST GAS CONTAINING SOOT PARTICLES AND MOTOR VEHICLE HAVING THE DEVICE'
[patent_app_type] => utility
[patent_app_number] => 13/896935
[patent_app_country] => US
[patent_app_date] => 2013-05-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 4867
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13896935
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/896935 | Device for treating exhaust gas containing soot particles and motor vehicle having the device | May 16, 2013 | Issued |
Array
(
[id] => 11785446
[patent_doc_number] => 09394820
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-07-19
[patent_title] => 'Exhaust gas purification system and method for purifying exhaust gas'
[patent_app_type] => utility
[patent_app_number] => 14/395546
[patent_app_country] => US
[patent_app_date] => 2013-05-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 17
[patent_no_of_words] => 9939
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 270
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14395546
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/395546 | Exhaust gas purification system and method for purifying exhaust gas | May 6, 2013 | Issued |
Array
(
[id] => 11487549
[patent_doc_number] => 09593614
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-03-14
[patent_title] => 'Exhaust gas purification system and exhaust gas purification method'
[patent_app_type] => utility
[patent_app_number] => 14/395540
[patent_app_country] => US
[patent_app_date] => 2013-05-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 15
[patent_no_of_words] => 9602
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 317
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14395540
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/395540 | Exhaust gas purification system and exhaust gas purification method | May 1, 2013 | Issued |
Array
(
[id] => 10707497
[patent_doc_number] => 20160053644
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2016-02-25
[patent_title] => 'METHOD AND SYSTEM FOR THE REMOVAL OF PARTICULATE MATTER SOOT, ASH AND HEAVY METALS FROM ENGINE EXHAUST GAS'
[patent_app_type] => utility
[patent_app_number] => 14/780490
[patent_app_country] => US
[patent_app_date] => 2013-04-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2966
[patent_no_of_claims] => 25
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14780490
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/780490 | Method and system for the removal of particulate matter soot, ash and heavy metals from engine exhaust gas | Apr 29, 2013 | Issued |
Array
(
[id] => 9130807
[patent_doc_number] => 20130291520
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-11-07
[patent_title] => 'METHOD OF ESTIMATING A VARIATION OF A QUANTITY OF SOOT ACCUMULATED IN A DIESEL PARTICULATE FILTER'
[patent_app_type] => utility
[patent_app_number] => 13/872871
[patent_app_country] => US
[patent_app_date] => 2013-04-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 8125
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13872871
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/872871 | Method of estimating a variation of a quantity of soot accumulated in a diesel particulate filter | Apr 28, 2013 | Issued |
Array
(
[id] => 11185310
[patent_doc_number] => 09416705
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-08-16
[patent_title] => 'Burner and filter renewal device'
[patent_app_type] => utility
[patent_app_number] => 14/395892
[patent_app_country] => US
[patent_app_date] => 2013-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 9
[patent_no_of_words] => 10863
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 156
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14395892
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/395892 | Burner and filter renewal device | Apr 23, 2013 | Issued |
Array
(
[id] => 9948694
[patent_doc_number] => 08997463
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-04-07
[patent_title] => 'Reductant delivery unit for automotive selective catalytic reduction with reducing agent heating'
[patent_app_type] => utility
[patent_app_number] => 13/864301
[patent_app_country] => US
[patent_app_date] => 2013-04-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 2034
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 154
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13864301
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/864301 | Reductant delivery unit for automotive selective catalytic reduction with reducing agent heating | Apr 16, 2013 | Issued |