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] => 10228974 [patent_doc_number] => 20150113967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-30 [patent_title] => 'DIFFUSER PLATE' [patent_app_type] => utility [patent_app_number] => 14/068047 [patent_app_country] => US [patent_app_date] => 2013-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2097 [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] => 14068047 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/068047
Diffuser plate Oct 30, 2013 Issued
Array ( [id] => 11033744 [patent_doc_number] => 20160230700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-11 [patent_title] => 'EXHAUST HEAT RECOVERY APPARATUS OF ENGINE' [patent_app_type] => utility [patent_app_number] => 15/022845 [patent_app_country] => US [patent_app_date] => 2013-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7605 [patent_no_of_claims] => 12 [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] => 15022845 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/022845
EXHAUST HEAT RECOVERY APPARATUS OF ENGINE Oct 30, 2013 Abandoned
Array ( [id] => 10233118 [patent_doc_number] => 20150118112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-30 [patent_title] => 'SCR FILTER WASHCOAT THICKNESS EFFICIENCY COMPENSATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/066877 [patent_app_country] => US [patent_app_date] => 2013-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5119 [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] => 14066877 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/066877
SCR filter washcoat thickness efficiency compensation system Oct 29, 2013 Issued
Array ( [id] => 10097443 [patent_doc_number] => 09133747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-15 [patent_title] => 'Selective catalyst reduction filter washcoat thickness ammonia compensation system' [patent_app_type] => utility [patent_app_number] => 14/066861 [patent_app_country] => US [patent_app_date] => 2013-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4508 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [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] => 14066861 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/066861
Selective catalyst reduction filter washcoat thickness ammonia compensation system Oct 29, 2013 Issued
Array ( [id] => 10430934 [patent_doc_number] => 20150315946 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-05 [patent_title] => 'DETERIORATION DETERMINATION SYSTEM OF EXHAUST EMISSION CONTROL DEVICE' [patent_app_type] => utility [patent_app_number] => 14/648765 [patent_app_country] => US [patent_app_date] => 2013-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 11162 [patent_no_of_claims] => 5 [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] => 14648765 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/648765
Deterioration determination system of exhaust emission control device Oct 28, 2013 Issued
Array ( [id] => 12254705 [patent_doc_number] => 09926844 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-03-27 [patent_title] => 'Power generation system and operation method of power generation system' [patent_app_type] => utility [patent_app_number] => 14/430738 [patent_app_country] => US [patent_app_date] => 2013-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8053 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14430738 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/430738
Power generation system and operation method of power generation system Oct 27, 2013 Issued
Array ( [id] => 10228953 [patent_doc_number] => 20150113947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-30 [patent_title] => 'SYSTEMS AND METHODS FOR THERMAL MANAGEMENT OF AFTERTREATMENT SYSTEM COMPONENTS' [patent_app_type] => utility [patent_app_number] => 14/061957 [patent_app_country] => US [patent_app_date] => 2013-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6668 [patent_no_of_claims] => 32 [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] => 14061957 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/061957
Systems and methods for thermal management of aftertreatment system components Oct 23, 2013 Issued
Array ( [id] => 10216318 [patent_doc_number] => 20150101310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-16 [patent_title] => 'Exhaust Gas Treatment System Including an Enhanced SCR Diagnostic Unit' [patent_app_type] => utility [patent_app_number] => 14/053054 [patent_app_country] => US [patent_app_date] => 2013-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5629 [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] => 14053054 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/053054
Exhaust gas treatment system including an enhanced SCR diagnostic unit Oct 13, 2013 Issued
Array ( [id] => 10341101 [patent_doc_number] => 20150226106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-13 [patent_title] => 'EXHAUST MANIFOLD MOUNTING STRUCTURE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/432272 [patent_app_country] => US [patent_app_date] => 2013-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7619 [patent_no_of_claims] => 6 [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] => 14432272 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/432272
Exhaust manifold mounting structure for internal combustion engine Oct 10, 2013 Issued
Array ( [id] => 10077779 [patent_doc_number] => 09115623 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-25 [patent_title] => 'Method for controlling the nox concentration in the exhaust gas of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/049106 [patent_app_country] => US [patent_app_date] => 2013-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4178 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14049106 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/049106
Method for controlling the nox concentration in the exhaust gas of an internal combustion engine Oct 7, 2013 Issued
Array ( [id] => 10136448 [patent_doc_number] => 09169764 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-27 [patent_title] => 'Hybrid vehicle' [patent_app_type] => utility [patent_app_number] => 14/045248 [patent_app_country] => US [patent_app_date] => 2013-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 9115 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14045248 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/045248
Hybrid vehicle Oct 2, 2013 Issued
Array ( [id] => 9276575 [patent_doc_number] => 20140026543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-30 [patent_title] => 'EXHAUST GAS CLEANING DEVICE FOR A WATERCRAFT, METHOD FOR OPERATING AN EXHAUST GAS CLEANING DEVICE AND WATERCRAFT' [patent_app_type] => utility [patent_app_number] => 14/040946 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3950 [patent_no_of_claims] => 6 [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] => 14040946 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/040946
Exhaust gas cleaning device for a watercraft, method for operating an exhaust gas cleaning device and watercraft Sep 29, 2013 Issued
Array ( [id] => 11205675 [patent_doc_number] => 09435294 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-06 [patent_title] => 'Engine apparatus' [patent_app_type] => utility [patent_app_number] => 14/431109 [patent_app_country] => US [patent_app_date] => 2013-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 8321 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14431109 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/431109
Engine apparatus Sep 25, 2013 Issued
Array ( [id] => 12471060 [patent_doc_number] => 09988937 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-05 [patent_title] => Hydraulic and electrical interface ring for a turbine engine [patent_app_type] => utility [patent_app_number] => 14/431173 [patent_app_country] => US [patent_app_date] => 2013-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 5657 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14431173 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/431173
Hydraulic and electrical interface ring for a turbine engine Sep 23, 2013 Issued
Array ( [id] => 10448230 [patent_doc_number] => 20150333244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'THERMOELECTRIC GENERATOR' [patent_app_type] => utility [patent_app_number] => 14/410254 [patent_app_country] => US [patent_app_date] => 2013-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 11339 [patent_no_of_claims] => 5 [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] => 14410254 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/410254
THERMOELECTRIC GENERATOR Sep 22, 2013 Abandoned
Array ( [id] => 10122997 [patent_doc_number] => 09157350 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-13 [patent_title] => 'Engine system' [patent_app_type] => utility [patent_app_number] => 14/032845 [patent_app_country] => US [patent_app_date] => 2013-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4179 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14032845 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/032845
Engine system Sep 19, 2013 Issued
Array ( [id] => 10071138 [patent_doc_number] => 09109486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-18 [patent_title] => 'System and method for reductant injection' [patent_app_type] => utility [patent_app_number] => 14/031323 [patent_app_country] => US [patent_app_date] => 2013-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3713 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14031323 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/031323
System and method for reductant injection Sep 18, 2013 Issued
Array ( [id] => 9969056 [patent_doc_number] => 09016048 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-28 [patent_title] => 'Exhaust arrangement' [patent_app_type] => utility [patent_app_number] => 14/030376 [patent_app_country] => US [patent_app_date] => 2013-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2890 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14030376 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/030376
Exhaust arrangement Sep 17, 2013 Issued
Array ( [id] => 9359225 [patent_doc_number] => 20140069097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-13 [patent_title] => 'EXHAUST PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/025082 [patent_app_country] => US [patent_app_date] => 2013-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 15351 [patent_no_of_claims] => 18 [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] => 14025082 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/025082
Exhaust purification system for internal combustion engine Sep 11, 2013 Issued
Array ( [id] => 11219464 [patent_doc_number] => 09447794 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-20 [patent_title] => 'Inducer and diffuser configuration for a gas turbine system' [patent_app_type] => utility [patent_app_number] => 14/011611 [patent_app_country] => US [patent_app_date] => 2013-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5641 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14011611 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/011611
Inducer and diffuser configuration for a gas turbine system Aug 26, 2013 Issued
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