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] => 16697310 [patent_doc_number] => 10947896 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-03-16 [patent_title] => Internal cleaning of an internal combustion engine after-treatment system [patent_app_type] => utility [patent_app_number] => 17/093515 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5071 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17093515 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/093515
Internal cleaning of an internal combustion engine after-treatment system Nov 8, 2020 Issued
Array ( [id] => 17541521 [patent_doc_number] => 11306637 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-04-19 [patent_title] => Heat transfer device, system and method to boost fuel economy in diesel powered vehicles [patent_app_type] => utility [patent_app_number] => 17/091558 [patent_app_country] => US [patent_app_date] => 2020-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2656 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17091558 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/091558
Heat transfer device, system and method to boost fuel economy in diesel powered vehicles Nov 5, 2020 Issued
Array ( [id] => 17579566 [patent_doc_number] => 20220136421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => APPARATUS, METHODS AND SYSTEMS FOR ELECTRICALLY HEATED PARTICULATE FILTER AND SCR CATALYST IN VEHICLES [patent_app_type] => utility [patent_app_number] => 17/090279 [patent_app_country] => US [patent_app_date] => 2020-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5210 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17090279 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/090279
Apparatus, methods and systems for electrically heated particulate filter and SCR catalyst in vehicles Nov 4, 2020 Issued
Array ( [id] => 18153591 [patent_doc_number] => 11566557 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Exhaust system for an internal combustion engine and process for manufacturing an exhaust system [patent_app_type] => utility [patent_app_number] => 17/088202 [patent_app_country] => US [patent_app_date] => 2020-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3885 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17088202 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/088202
Exhaust system for an internal combustion engine and process for manufacturing an exhaust system Nov 2, 2020 Issued
Array ( [id] => 17635547 [patent_doc_number] => 11346265 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Methods and systems for an engine [patent_app_type] => utility [patent_app_number] => 17/086095 [patent_app_country] => US [patent_app_date] => 2020-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5831 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17086095 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/086095
Methods and systems for an engine Oct 29, 2020 Issued
Array ( [id] => 16629302 [patent_doc_number] => 20210047955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => Process for Direct Urea Injection with Selective Catalytic Reduction (SCR) for NOx Reduction in Hot Gas Streams and Related Systems and Assemblies [patent_app_type] => utility [patent_app_number] => 17/077634 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12867 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17077634 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/077634
Process for direct urea injection with selective catalytic reduction (SCR) for NOx reduction in hot gas streams and related systems and assemblies Oct 21, 2020 Issued
Array ( [id] => 16598777 [patent_doc_number] => 20210025308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => SYSTEMS AND METHODS FOR REDUCTANT DELIVERY IN AFTERTREATMENT SYSTEMS FOR INTERNAL COMBUSTION ENGINES [patent_app_type] => utility [patent_app_number] => 17/070513 [patent_app_country] => US [patent_app_date] => 2020-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17070513 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/070513
Systems and methods for reductant delivery in aftertreatment systems for internal combustion engines Oct 13, 2020 Issued
Array ( [id] => 16762970 [patent_doc_number] => 20210108551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => EXHAUST SYSTEM [patent_app_type] => utility [patent_app_number] => 17/068728 [patent_app_country] => US [patent_app_date] => 2020-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3915 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17068728 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/068728
EXHAUST SYSTEM Oct 11, 2020 Abandoned
Array ( [id] => 19274921 [patent_doc_number] => 12025038 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Connector system for an exhaust extraction system, a nozzle and the use of such nozzle [patent_app_type] => utility [patent_app_number] => 17/767973 [patent_app_country] => US [patent_app_date] => 2020-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5167 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17767973 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/767973
CONNECTOR SYSTEM FOR AN EXHAUST EXTRACTION SYSTEM, A NOZZLE AND THE USE OF SUCH NOZZLE Oct 8, 2020 Pending
Array ( [id] => 16840263 [patent_doc_number] => 20210148275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => EXHAUST PIPE STRUCTURE OF INTERNAL COMBUSTION ENGINE VEHICLE AND METHOD OF MANUFACTURING THE VEHICLE [patent_app_type] => utility [patent_app_number] => 17/060449 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7736 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17060449 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/060449
EXHAUST PIPE STRUCTURE OF INTERNAL COMBUSTION ENGINE VEHICLE AND METHOD OF MANUFACTURING THE VEHICLE Sep 30, 2020 Abandoned
Array ( [id] => 16728497 [patent_doc_number] => 20210095644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => THERMAL HYDRAULIC PROPULSION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/019066 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17368 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17019066 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/019066
THERMAL HYDRAULIC PROPULSION SYSTEM Sep 10, 2020 Abandoned
Array ( [id] => 17468112 [patent_doc_number] => 11274584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Inductively heatable ceramic body, method for manufacturing a ceramic body, exhaust gas purification device and vehicle [patent_app_type] => utility [patent_app_number] => 17/016087 [patent_app_country] => US [patent_app_date] => 2020-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2576 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17016087 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/016087
Inductively heatable ceramic body, method for manufacturing a ceramic body, exhaust gas purification device and vehicle Sep 8, 2020 Issued
Array ( [id] => 17571647 [patent_doc_number] => 11319908 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Saddle riding vehicle [patent_app_type] => utility [patent_app_number] => 17/005546 [patent_app_country] => US [patent_app_date] => 2020-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10584 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17005546 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/005546
Saddle riding vehicle Aug 27, 2020 Issued
Array ( [id] => 17444649 [patent_doc_number] => 20220065154 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => EXHAUST FINISHER ASSEMBLY FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 17/004960 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17004960 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/004960
Exhaust finisher assembly for a vehicle Aug 26, 2020 Issued
Array ( [id] => 17851682 [patent_doc_number] => 20220281724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => FLUID-OPERATED LIFTING GEAR [patent_app_type] => utility [patent_app_number] => 17/637366 [patent_app_country] => US [patent_app_date] => 2020-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5011 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17637366 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/637366
FLUID-OPERATED LIFTING GEAR Aug 23, 2020 Pending
Array ( [id] => 16484726 [patent_doc_number] => 20200378327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/995400 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16995400 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995400
Control device for internal combustion engine Aug 16, 2020 Issued
Array ( [id] => 16484724 [patent_doc_number] => 20200378325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/995255 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26851 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16995255 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995255
Control device for internal combustion engine Aug 16, 2020 Issued
Array ( [id] => 16484724 [patent_doc_number] => 20200378325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/995255 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26851 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16995255 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995255
Control device for internal combustion engine Aug 16, 2020 Issued
Array ( [id] => 16484725 [patent_doc_number] => 20200378326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/995363 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16995363 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995363
Control device for internal combustion engine Aug 16, 2020 Issued
Array ( [id] => 16484726 [patent_doc_number] => 20200378327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/995400 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16995400 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995400
Control device for internal combustion engine Aug 16, 2020 Issued
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