Search

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 numberTitle of the applicationFiling DateStatus
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
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