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] => 18809345 [patent_doc_number] => 20230383680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => SYSTEM FOR REDUCING VOC AND NITROGEN OXIDE AND METHOD FOR REDUCING SAME [patent_app_type] => utility [patent_app_number] => 18/232290 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18232290 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/232290
SYSTEM FOR REDUCING VOC AND NITROGEN OXIDE AND METHOD FOR REDUCING SAME Aug 8, 2023 Pending
Array ( [id] => 18923859 [patent_doc_number] => 20240026863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => VERTICAL AND HELICAL WELL DESIGNS FOR ENHANCED GEOTHERMAL SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/225215 [patent_app_country] => US [patent_app_date] => 2023-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18225215 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/225215
VERTICAL AND HELICAL WELL DESIGNS FOR ENHANCED GEOTHERMAL SYSTEMS Jul 23, 2023
Array ( [id] => 18940257 [patent_doc_number] => 20240035396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => SYSTEM AND METHOD FOR REALIZING TRANSFORMATION OF THERMAL POWER UNIT BASED ON COMBINED HIGH-PARAMETER AND LOW-PARAMETER MOLTEN SALTS [patent_app_type] => utility [patent_app_number] => 18/350306 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 723 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350306 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350306
SYSTEM AND METHOD FOR REALIZING TRANSFORMATION OF THERMAL POWER UNIT BASED ON COMBINED HIGH-PARAMETER AND LOW-PARAMETER MOLTEN SALTS Jul 10, 2023 Pending
Array ( [id] => 18845378 [patent_doc_number] => 20230407782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => EXHAUST STRUCTURE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 18/333549 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18333549 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333549
Exhaust structure for internal combustion engine Jun 12, 2023 Issued
Array ( [id] => 18658433 [patent_doc_number] => 20230304428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => Exhaust Gas Processing Device [patent_app_type] => utility [patent_app_number] => 18/327266 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327266 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327266
Exhaust Gas Processing Device May 31, 2023 Pending
Array ( [id] => 18754730 [patent_doc_number] => 20230358156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => CATALYTIC ELEMENT WITH INDUCTIVE HEATER [patent_app_type] => utility [patent_app_number] => 18/319068 [patent_app_country] => US [patent_app_date] => 2023-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18319068 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/319068
Catalytic element with inductive heater May 16, 2023 Issued
Array ( [id] => 18740357 [patent_doc_number] => 20230349334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => AMMONIA FUELLED ENGINE [patent_app_type] => utility [patent_app_number] => 18/135299 [patent_app_country] => US [patent_app_date] => 2023-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7234 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18135299 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/135299
Ammonia fuelled engine Apr 16, 2023 Issued
Array ( [id] => 18917306 [patent_doc_number] => 11879579 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Vehicle exhaust evacuation system [patent_app_type] => utility [patent_app_number] => 18/299146 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 5467 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18299146 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299146
Vehicle exhaust evacuation system Apr 11, 2023 Issued
Array ( [id] => 18691411 [patent_doc_number] => 20230321627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => Heat exchange module [patent_app_type] => utility [patent_app_number] => 18/128610 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2527 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18128610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/128610
Heat exchange module Mar 29, 2023 Issued
Array ( [id] => 18831440 [patent_doc_number] => 20230399967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => EXHAUST GAS CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 18/125191 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18125191 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/125191
EXHAUST GAS CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE Mar 22, 2023 Pending
Array ( [id] => 18996534 [patent_doc_number] => 11913368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Exhaust gas treatment arrangement [patent_app_type] => utility [patent_app_number] => 18/187800 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 3493 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18187800 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/187800
Exhaust gas treatment arrangement Mar 21, 2023 Issued
Array ( [id] => 18676026 [patent_doc_number] => 20230313650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => ENHANCED CARBON DIOXIDE-BASED GEOTHERMAL ENERGY GENERATION SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/179174 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26480 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18179174 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/179174
ENHANCED CARBON DIOXIDE-BASED GEOTHERMAL ENERGY GENERATION SYSTEMS AND METHODS Mar 5, 2023 Pending
Array ( [id] => 19106321 [patent_doc_number] => 11959408 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Exhaust system for an ammonia-burning combustion engine [patent_app_type] => utility [patent_app_number] => 18/169595 [patent_app_country] => US [patent_app_date] => 2023-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3535 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18169595 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/169595
Exhaust system for an ammonia-burning combustion engine Feb 14, 2023 Issued
Array ( [id] => 18613020 [patent_doc_number] => 20230279756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => SMALL MODULAR NUCLEAR REACTOR INTEGRATED ENERGY SYSTEMS FOR INDUSTRIAL APPLICATIONS, SUCH AS ENHANCED OIL RECOVERY OPERATIONS [patent_app_type] => utility [patent_app_number] => 18/104766 [patent_app_country] => US [patent_app_date] => 2023-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9756 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18104766 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/104766
SMALL MODULAR NUCLEAR REACTOR INTEGRATED ENERGY SYSTEMS FOR INDUSTRIAL APPLICATIONS, SUCH AS ENHANCED OIL RECOVERY OPERATIONS Jan 31, 2023 Pending
Array ( [id] => 18733779 [patent_doc_number] => 11802502 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-31 [patent_title] => Hydrocarbon adsorption and desorption control in vehicle exhaust systems using H [patent_app_type] => utility [patent_app_number] => 18/103084 [patent_app_country] => US [patent_app_date] => 2023-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9225 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18103084 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/103084
Hydrocarbon adsorption and desorption control in vehicle exhaust systems using H Jan 29, 2023 Issued
Array ( [id] => 18530642 [patent_doc_number] => 20230235712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => METHOD FOR HEATING AN EXHAUST GAS AFTERTREATMENT COMPONENT, AND INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 18/099843 [patent_app_country] => US [patent_app_date] => 2023-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18099843 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/099843
Method for heating an exhaust gas aftertreatment component, and internal combustion engine Jan 19, 2023 Issued
Array ( [id] => 18709902 [patent_doc_number] => 20230332524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => EXHAUST GAS JOULE HEATER [patent_app_type] => utility [patent_app_number] => 18/156525 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6939 [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] => 18156525 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/156525
Exhaust gas joule heater Jan 18, 2023 Issued
Array ( [id] => 18794454 [patent_doc_number] => 11828215 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-28 [patent_title] => Self-cleaning prime mover exhaust system and method [patent_app_type] => utility [patent_app_number] => 18/069748 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 7792 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18069748 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/069748
Self-cleaning prime mover exhaust system and method Dec 20, 2022 Issued
Array ( [id] => 19166322 [patent_doc_number] => 11982216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Emissions reduction systems and methods [patent_app_type] => utility [patent_app_number] => 18/062557 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7561 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18062557 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/062557
Emissions reduction systems and methods Dec 5, 2022 Abandoned
Array ( [id] => 18838150 [patent_doc_number] => 11846215 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-19 [patent_title] => Exhaust burner heat delivery to catalyst by restricting upstream flow and heat leakage paths [patent_app_type] => utility [patent_app_number] => 17/987339 [patent_app_country] => US [patent_app_date] => 2022-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3524 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17987339 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/987339
Exhaust burner heat delivery to catalyst by restricting upstream flow and heat leakage paths Nov 14, 2022 Issued
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