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] => 17171110 [patent_doc_number] => 20210324780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => EXHAUST SYSTEM HAVING PRESSURE SENSING SYSTEM WITH PLUGGING-MITIGATION CONDUIT FORMING ALWAYS-OPEN LEAKAGE PATH [patent_app_type] => utility [patent_app_number] => 16/853994 [patent_app_country] => US [patent_app_date] => 2020-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3506 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16853994 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/853994
Exhaust system having pressure sensing system with plugging-mitigation conduit forming always-open leakage path Apr 20, 2020 Issued
Array ( [id] => 16377016 [patent_doc_number] => 20200325858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => Exhaust Gas Recirculation Heat Exchanger Assembly [patent_app_type] => utility [patent_app_number] => 16/848285 [patent_app_country] => US [patent_app_date] => 2020-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16848285 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/848285
Exhaust gas recirculation heat exchanger assembly Apr 13, 2020 Issued
Array ( [id] => 17363935 [patent_doc_number] => 11230953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-25 [patent_title] => Electrically heatable heating disk for exhaust gas aftertreatment [patent_app_type] => utility [patent_app_number] => 16/822599 [patent_app_country] => US [patent_app_date] => 2020-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3358 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16822599 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/822599
Electrically heatable heating disk for exhaust gas aftertreatment Mar 17, 2020 Issued
Array ( [id] => 16329178 [patent_doc_number] => 20200300144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => SUBSTRATE FOR AN EXHAUST GAS TREATMENT UNIT [patent_app_type] => utility [patent_app_number] => 16/820135 [patent_app_country] => US [patent_app_date] => 2020-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2647 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16820135 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/820135
SUBSTRATE FOR AN EXHAUST GAS TREATMENT UNIT Mar 15, 2020 Abandoned
Array ( [id] => 18620952 [patent_doc_number] => 11753980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Contoured honeycomb bodies [patent_app_type] => utility [patent_app_number] => 17/598984 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 7602 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17598984 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/598984
Contoured honeycomb bodies Mar 11, 2020 Issued
Array ( [id] => 16941600 [patent_doc_number] => 11053829 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-06 [patent_title] => Exhaust gas treatment system, and method for heating an exhaust gas catalytic converter [patent_app_type] => utility [patent_app_number] => 16/816668 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2320 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16816668 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/816668
Exhaust gas treatment system, and method for heating an exhaust gas catalytic converter Mar 11, 2020 Issued
Array ( [id] => 17953989 [patent_doc_number] => 11480087 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-25 [patent_title] => Mixer apparatus for an exhaust gas aftertreatment system of a motor vehicle, exhaust gas aftertreatment system, and motor vehicle [patent_app_type] => utility [patent_app_number] => 17/600386 [patent_app_country] => US [patent_app_date] => 2020-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3816 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17600386 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/600386
Mixer apparatus for an exhaust gas aftertreatment system of a motor vehicle, exhaust gas aftertreatment system, and motor vehicle Mar 10, 2020 Issued
Array ( [id] => 17642665 [patent_doc_number] => 20220170403 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => COMBUSTION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/436965 [patent_app_country] => US [patent_app_date] => 2020-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17436965 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/436965
COMBUSTION SYSTEM Mar 4, 2020 Abandoned
Array ( [id] => 16269544 [patent_doc_number] => 20200271031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => Catalytic article and the use thereof for the treatment of an exhaust gas [patent_app_type] => utility [patent_app_number] => 16/796982 [patent_app_country] => US [patent_app_date] => 2020-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16796982 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/796982
Catalytic article and the use thereof for the treatment of an exhaust gas Feb 20, 2020 Pending
Array ( [id] => 17688610 [patent_doc_number] => 20220195902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => SYSTEM FOR REDUCING VOC AND NITROGEN OXIDE AND METHOD FOR REDUCING SAME [patent_app_type] => utility [patent_app_number] => 17/432063 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12752 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17432063 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432063
System for reducing VOC and nitrogen oxide and method for reducing same Feb 19, 2020 Issued
Array ( [id] => 17742213 [patent_doc_number] => 11390267 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Method and controller for operating a motor vehicle [patent_app_type] => utility [patent_app_number] => 16/794549 [patent_app_country] => US [patent_app_date] => 2020-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2959 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16794549 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/794549
Method and controller for operating a motor vehicle Feb 18, 2020 Issued
Array ( [id] => 18013821 [patent_doc_number] => 11506106 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Exhaust aftertreatment system universal joint flex pipe assembly [patent_app_type] => utility [patent_app_number] => 16/790528 [patent_app_country] => US [patent_app_date] => 2020-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 11489 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16790528 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/790528
Exhaust aftertreatment system universal joint flex pipe assembly Feb 12, 2020 Issued
Array ( [id] => 16254210 [patent_doc_number] => 20200263584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => MOTORCYCLE [patent_app_type] => utility [patent_app_number] => 16/790385 [patent_app_country] => US [patent_app_date] => 2020-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16790385 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/790385
Motorcycle Feb 12, 2020 Issued
Array ( [id] => 16557905 [patent_doc_number] => 20210003053 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => Muffler Structure [patent_app_type] => utility [patent_app_number] => 16/783537 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 458 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16783537 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/783537
Muffler structure Feb 5, 2020 Issued
Array ( [id] => 16223484 [patent_doc_number] => 20200248601 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => CATALYTIC CONVERTER FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING A CATALYTIC CONVERTER [patent_app_type] => utility [patent_app_number] => 16/784142 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16784142 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784142
Catalytic converter for an internal combustion engine and method for operating a catalytic converter Feb 5, 2020 Issued
Array ( [id] => 17673512 [patent_doc_number] => 20220186679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => PRESSURE BOOST SYSTEM [patent_app_type] => utility [patent_app_number] => 17/425702 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3467 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17425702 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/425702
PRESSURE BOOST SYSTEM Feb 5, 2020 Pending
Array ( [id] => 17548861 [patent_doc_number] => 20220120202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => EXHAUST GAS AFTERTREATMENT SYSTEM, AND METHOD FOR THE EXHAUST GAS AFTERTREATMENT OF AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/428895 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5742 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17428895 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/428895
Exhaust gas aftertreatment system, and method for the exhaust gas aftertreatment of an internal combustion engine Feb 5, 2020 Issued
Array ( [id] => 17697692 [patent_doc_number] => 11371411 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => Method for operating a motor vehicle having an exhaust gas aftertreatment device, exhaust gas aftertreatment system, computer program product and computer-readable medium [patent_app_type] => utility [patent_app_number] => 17/426315 [patent_app_country] => US [patent_app_date] => 2020-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3987 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17426315 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/426315
Method for operating a motor vehicle having an exhaust gas aftertreatment device, exhaust gas aftertreatment system, computer program product and computer-readable medium Feb 3, 2020 Issued
Array ( [id] => 18247205 [patent_doc_number] => 11603781 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => Exhaust system component [patent_app_type] => utility [patent_app_number] => 16/779741 [patent_app_country] => US [patent_app_date] => 2020-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3756 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16779741 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/779741
Exhaust system component Feb 2, 2020 Issued
Array ( [id] => 16191515 [patent_doc_number] => 20200232364 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => METHOD AND DEVICE FOR EXHAUST GAS AFTERTREATMENT IN AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/750326 [patent_app_country] => US [patent_app_date] => 2020-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16750326 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/750326
METHOD AND DEVICE FOR EXHAUST GAS AFTERTREATMENT IN AN INTERNAL COMBUSTION ENGINE Jan 22, 2020 Abandoned
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