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] => 16468917 [patent_doc_number] => 20200370454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => DIAGNOSTIC METHODS FOR A HIGH EFFICIENCY EXHAUST AFTERTREATMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 16/989109 [patent_app_country] => US [patent_app_date] => 2020-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15572 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16989109 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/989109
Diagnostic methods for a high efficiency exhaust aftertreatment system Aug 9, 2020 Issued
Array ( [id] => 17386404 [patent_doc_number] => 20220034256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => Turbocharger Manifold, System, and Method [patent_app_type] => utility [patent_app_number] => 16/945866 [patent_app_country] => US [patent_app_date] => 2020-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16945866 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/945866
Turbocharger manifold, system, and method Jul 31, 2020 Issued
Array ( [id] => 17808216 [patent_doc_number] => 20220260051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => CONNECTION FOR SPLIT WIND TURBINE BLADE [patent_app_type] => utility [patent_app_number] => 17/630694 [patent_app_country] => US [patent_app_date] => 2020-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6910 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17630694 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/630694
CONNECTION FOR SPLIT WIND TURBINE BLADE Jul 27, 2020 Pending
Array ( [id] => 17370745 [patent_doc_number] => 20220025797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => SYSTEM FOR WORKING MACHINE [patent_app_type] => utility [patent_app_number] => 16/940382 [patent_app_country] => US [patent_app_date] => 2020-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8781 [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] => 16940382 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/940382
System for working machine Jul 26, 2020 Issued
Array ( [id] => 17930528 [patent_doc_number] => 20220325653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => SHIELDING ELEMENT [patent_app_type] => utility [patent_app_number] => 17/627784 [patent_app_country] => US [patent_app_date] => 2020-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3652 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17627784 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/627784
Shielding element Jul 15, 2020 Issued
Array ( [id] => 17913988 [patent_doc_number] => 20220316383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => EXHAUST GAS AFTERTREATMENT [patent_app_type] => utility [patent_app_number] => 17/627539 [patent_app_country] => US [patent_app_date] => 2020-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3481 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17627539 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/627539
Exhaust gas aftertreatment Jul 14, 2020 Issued
Array ( [id] => 17330494 [patent_doc_number] => 11220948 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-01-11 [patent_title] => Emissions reduction systems and methods [patent_app_type] => utility [patent_app_number] => 16/920338 [patent_app_country] => US [patent_app_date] => 2020-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7562 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16920338 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/920338
Emissions reduction systems and methods Jul 1, 2020 Issued
Array ( [id] => 17735415 [patent_doc_number] => 20220220874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => EXHAUST SYSTEM AND MUFFLER [patent_app_type] => utility [patent_app_number] => 17/616803 [patent_app_country] => US [patent_app_date] => 2020-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17616803 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/616803
Exhaust system and muffler Jun 3, 2020 Issued
Array ( [id] => 16786668 [patent_doc_number] => 10989085 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-04-27 [patent_title] => Emission-free cold-start and warm-start of internal combustion engines [patent_app_type] => utility [patent_app_number] => 16/887277 [patent_app_country] => US [patent_app_date] => 2020-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5071 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 440 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16887277 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/887277
Emission-free cold-start and warm-start of internal combustion engines May 28, 2020 Issued
Array ( [id] => 17728287 [patent_doc_number] => 11384667 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Exhaust aftertreatment system with heated dosing control [patent_app_type] => utility [patent_app_number] => 16/887399 [patent_app_country] => US [patent_app_date] => 2020-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4289 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 311 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16887399 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/887399
Exhaust aftertreatment system with heated dosing control May 28, 2020 Issued
Array ( [id] => 16512318 [patent_doc_number] => 20200391575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => CO2 RECOVERY SYSTEM [patent_app_type] => utility [patent_app_number] => 16/885274 [patent_app_country] => US [patent_app_date] => 2020-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7338 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16885274 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/885274
CO2 recovery system May 27, 2020 Issued
Array ( [id] => 16525973 [patent_doc_number] => 20200400053 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/884048 [patent_app_country] => US [patent_app_date] => 2020-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16884048 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/884048
Control device for internal combustion engine May 26, 2020 Issued
Array ( [id] => 16933147 [patent_doc_number] => 20210199036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => APPARATUS FOR REMOVING MOISTURE FROM EXHAUST GAS [patent_app_type] => utility [patent_app_number] => 16/879529 [patent_app_country] => US [patent_app_date] => 2020-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4053 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16879529 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/879529
APPARATUS FOR REMOVING MOISTURE FROM EXHAUST GAS May 19, 2020 Abandoned
Array ( [id] => 17251654 [patent_doc_number] => 11187131 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Double canning exhaust gas purification device [patent_app_type] => utility [patent_app_number] => 16/874741 [patent_app_country] => US [patent_app_date] => 2020-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3361 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16874741 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/874741
Double canning exhaust gas purification device May 14, 2020 Issued
Array ( [id] => 16893738 [patent_doc_number] => 11035279 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Method, engine, and control system for controlling soot loading of exhaust gas aftertreatment components [patent_app_type] => utility [patent_app_number] => 16/871659 [patent_app_country] => US [patent_app_date] => 2020-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6891 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16871659 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/871659
Method, engine, and control system for controlling soot loading of exhaust gas aftertreatment components May 10, 2020 Issued
Array ( [id] => 16269542 [patent_doc_number] => 20200271029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => Method for Operating a Particle Filter [patent_app_type] => utility [patent_app_number] => 16/870562 [patent_app_country] => US [patent_app_date] => 2020-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16870562 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/870562
Method for operating a particle filter May 7, 2020 Issued
Array ( [id] => 16254217 [patent_doc_number] => 20200263591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => METHOD AND APPARATUS FOR CONTROLLING EXHAUST GAS PURIFICATION SYSTEM FOR VEHICLE [patent_app_type] => utility [patent_app_number] => 16/865700 [patent_app_country] => US [patent_app_date] => 2020-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16865700 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/865700
Method and apparatus for controlling exhaust gas purification system for vehicle May 3, 2020 Issued
Array ( [id] => 16422563 [patent_doc_number] => 20200347761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => EXHAUST MUFFLER FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/864592 [patent_app_country] => US [patent_app_date] => 2020-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3692 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16864592 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/864592
Exhaust muffler for an exhaust system of an internal combustion engine Apr 30, 2020 Issued
Array ( [id] => 17208242 [patent_doc_number] => 11168604 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-09 [patent_title] => Housing, especially for an exhaust system of an internal combustion engine of a vehicle [patent_app_type] => utility [patent_app_number] => 16/860545 [patent_app_country] => US [patent_app_date] => 2020-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3879 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16860545 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/860545
Housing, especially for an exhaust system of an internal combustion engine of a vehicle Apr 27, 2020 Issued
Array ( [id] => 16422567 [patent_doc_number] => 20200347765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => REDUCTANT DOSING SYSTEM FOR AN SCR CATALYST [patent_app_type] => utility [patent_app_number] => 16/858436 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16858436 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/858436
Reductant dosing system for an SCR catalyst Apr 23, 2020 Issued
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