Search

Davis D Hwu

Examiner (ID: 10544, Phone: (571)272-4904 , Office: P/3744 )

Most Active Art Unit
3752
Art Unit(s)
3752, 3744, 3753, 3763
Total Applications
3096
Issued Applications
2372
Pending Applications
166
Abandoned Applications
557

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16901586 [patent_doc_number] => 20210180502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => ENERGY RECOVERY SYSTEM, VEHICLE, AND METHOD OF RECOVERING ENERGY [patent_app_type] => utility [patent_app_number] => 16/759753 [patent_app_country] => US [patent_app_date] => 2018-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5007 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16759753 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/759753
Energy recovery system, vehicle, and method of recovering energy Nov 1, 2018 Issued
Array ( [id] => 15179571 [patent_doc_number] => 20190360377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => CORRECTION METHOD OF NOx PURIFYING EFFICIENCY OF SDPF [patent_app_type] => utility [patent_app_number] => 16/169112 [patent_app_country] => US [patent_app_date] => 2018-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5729 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16169112 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/169112
Correction method of NOx purifying efficiency of SDPF Oct 23, 2018 Issued
Array ( [id] => 16231134 [patent_doc_number] => 10738676 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-11 [patent_title] => Thermal regenerator for exhaust system [patent_app_type] => utility [patent_app_number] => 16/167692 [patent_app_country] => US [patent_app_date] => 2018-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3235 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16167692 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/167692
Thermal regenerator for exhaust system Oct 22, 2018 Issued
Array ( [id] => 16870928 [patent_doc_number] => 20210164395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => ENERGY STORAGE APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 16/758780 [patent_app_country] => US [patent_app_date] => 2018-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18326 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 433 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16758780 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/758780
Energy storage apparatus and method Oct 22, 2018 Issued
Array ( [id] => 14536009 [patent_doc_number] => 20190203626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => RESONANT MIXERS FOR REDUCING REDUCTANT DEPOSITS [patent_app_type] => utility [patent_app_number] => 16/168298 [patent_app_country] => US [patent_app_date] => 2018-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16168298 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/168298
Resonant mixers for reducing reductant deposits Oct 22, 2018 Issued
Array ( [id] => 15801617 [patent_doc_number] => 20200123951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => METHOD AND SYSTEM FOR CONTROLLING INJECTION OF A REDUCING AGENT INTO AN EXHAUST GAS STREAM [patent_app_type] => utility [patent_app_number] => 16/168047 [patent_app_country] => US [patent_app_date] => 2018-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16168047 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/168047
METHOD AND SYSTEM FOR CONTROLLING INJECTION OF A REDUCING AGENT INTO AN EXHAUST GAS STREAM Oct 22, 2018 Abandoned
Array ( [id] => 15797887 [patent_doc_number] => 20200122086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => EMISSION CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 16/162952 [patent_app_country] => US [patent_app_date] => 2018-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6642 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16162952 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/162952
Emission control system Oct 16, 2018 Issued
Array ( [id] => 14215463 [patent_doc_number] => 20190120116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-25 [patent_title] => MUFFLER [patent_app_type] => utility [patent_app_number] => 16/161481 [patent_app_country] => US [patent_app_date] => 2018-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4449 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16161481 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/161481
Muffler Oct 15, 2018 Issued
Array ( [id] => 17244160 [patent_doc_number] => 20210363903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => METHOD AND APPARATUS FOR FILLING SILENCER WITH GLASS FIBER [patent_app_type] => utility [patent_app_number] => 16/616022 [patent_app_country] => US [patent_app_date] => 2018-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10895 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16616022 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/616022
Method and apparatus for filling silencer with glass fiber Oct 11, 2018 Issued
Array ( [id] => 18492604 [patent_doc_number] => 11698015 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Ceramic honeycomb bodies and method for canning thereof [patent_app_type] => utility [patent_app_number] => 16/645260 [patent_app_country] => US [patent_app_date] => 2018-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 5450 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16645260 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/645260
Ceramic honeycomb bodies and method for canning thereof Oct 1, 2018 Issued
Array ( [id] => 14159849 [patent_doc_number] => 20190107027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-11 [patent_title] => EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/149465 [patent_app_country] => US [patent_app_date] => 2018-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11994 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16149465 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/149465
Emission control device for internal combustion engine Oct 1, 2018 Issued
Array ( [id] => 15712209 [patent_doc_number] => 20200102870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => SYSTEMS AND METHODS FOR REDUCTANT DELIVERY IN AFTERTREATMENT SYSTEMS FOR INTERNAL COMBUSTION ENGINES [patent_app_type] => utility [patent_app_number] => 16/144683 [patent_app_country] => US [patent_app_date] => 2018-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16144683 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/144683
Systems and methods for reductant delivery in aftertreatment systems for internal combustion engines Sep 26, 2018 Issued
Array ( [id] => 16550253 [patent_doc_number] => 10883403 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-05 [patent_title] => Fluid transfer connection interface design [patent_app_type] => utility [patent_app_number] => 16/142517 [patent_app_country] => US [patent_app_date] => 2018-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2068 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [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] => 16142517 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/142517
Fluid transfer connection interface design Sep 25, 2018 Issued
Array ( [id] => 15786199 [patent_doc_number] => 10626814 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-21 [patent_title] => Control device and control method for internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/142566 [patent_app_country] => US [patent_app_date] => 2018-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9457 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16142566 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/142566
Control device and control method for internal combustion engine Sep 25, 2018 Issued
Array ( [id] => 16500311 [patent_doc_number] => 10865689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-15 [patent_title] => Systems and methods for diagnosis of NOx storage catalyst [patent_app_type] => utility [patent_app_number] => 16/138453 [patent_app_country] => US [patent_app_date] => 2018-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 13391 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [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] => 16138453 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/138453
Systems and methods for diagnosis of NOx storage catalyst Sep 20, 2018 Issued
Array ( [id] => 13794613 [patent_doc_number] => 20190010845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => AFTERTREATMENT REGENERATION WITH VARIABLE TIME AND TEMPERATURE [patent_app_type] => utility [patent_app_number] => 16/130452 [patent_app_country] => US [patent_app_date] => 2018-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4104 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16130452 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/130452
Aftertreatment regeneration with variable time and temperature Sep 12, 2018 Issued
Array ( [id] => 16642806 [patent_doc_number] => 10920648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-16 [patent_title] => Determination method for exhaust gas treatment device and determination system for exhaust gas treatment device [patent_app_type] => utility [patent_app_number] => 16/609343 [patent_app_country] => US [patent_app_date] => 2018-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3637 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16609343 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/609343
Determination method for exhaust gas treatment device and determination system for exhaust gas treatment device Aug 27, 2018 Issued
Array ( [id] => 14186579 [patent_doc_number] => 20190112994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => METHODS AND SYSTEMS FOR A PARTICULATE FILTER [patent_app_type] => utility [patent_app_number] => 16/103792 [patent_app_country] => US [patent_app_date] => 2018-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10474 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16103792 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/103792
Methods and systems for a particulate filter Aug 13, 2018 Issued
Array ( [id] => 13959053 [patent_doc_number] => 20190055870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => EXHAUST SYSTEM [patent_app_type] => utility [patent_app_number] => 16/059443 [patent_app_country] => US [patent_app_date] => 2018-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16059443 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/059443
Exhaust system Aug 8, 2018 Issued
Array ( [id] => 13623963 [patent_doc_number] => 20180363533 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => EMISSIONS CONTROL SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 16/058625 [patent_app_country] => US [patent_app_date] => 2018-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16058625 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/058625
Emissions control systems and methods Aug 7, 2018 Issued
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