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] => 16893737 [patent_doc_number] => 11035278 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Heater, method of manufacturing the same, and system [patent_app_type] => utility [patent_app_number] => 16/659906 [patent_app_country] => US [patent_app_date] => 2019-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 8457 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16659906 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/659906
Heater, method of manufacturing the same, and system Oct 21, 2019 Issued
Array ( [id] => 16606523 [patent_doc_number] => 10907520 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-02-02 [patent_title] => Sampling device for an exhaust gas sensor [patent_app_type] => utility [patent_app_number] => 16/659992 [patent_app_country] => US [patent_app_date] => 2019-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2606 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [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] => 16659992 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/659992
Sampling device for an exhaust gas sensor Oct 21, 2019 Issued
Array ( [id] => 16074103 [patent_doc_number] => 20200191038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => SYSTEM AND METHOD FOR DIAGNOSING HEALTH OF AN EXHAUST AFTERTREATMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 16/659945 [patent_app_country] => US [patent_app_date] => 2019-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16659945 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/659945
System and method for diagnosing health of an exhaust aftertreatment system Oct 21, 2019 Issued
Array ( [id] => 17792902 [patent_doc_number] => 20220251993 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => ENGINE EXHAUST GAS TREATMENT SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/287783 [patent_app_country] => US [patent_app_date] => 2019-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 73786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 17287783 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/287783
ENGINE EXHAUST GAS TREATMENT SYSTEM AND METHOD Oct 20, 2019 Abandoned
Array ( [id] => 16778744 [patent_doc_number] => 20210115822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => MUFFLER [patent_app_type] => utility [patent_app_number] => 16/657150 [patent_app_country] => US [patent_app_date] => 2019-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4984 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16657150 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/657150
Muffler Oct 17, 2019 Issued
Array ( [id] => 17714008 [patent_doc_number] => 11377993 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => Exhaust gas purification system for a gasoline engine [patent_app_type] => utility [patent_app_number] => 17/283344 [patent_app_country] => US [patent_app_date] => 2019-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9825 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [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] => 17283344 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/283344
Exhaust gas purification system for a gasoline engine Oct 16, 2019 Issued
Array ( [id] => 15455945 [patent_doc_number] => 20200040797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => SYSTEMS AND METHODS FOR SCR FEEDGAS DIAGNOSTICS [patent_app_type] => utility [patent_app_number] => 16/601195 [patent_app_country] => US [patent_app_date] => 2019-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16601195 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/601195
Systems and methods for SCR feedgas diagnostics Oct 13, 2019 Issued
Array ( [id] => 17150012 [patent_doc_number] => 11143079 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-12 [patent_title] => Thermoelectric generator for vehicle [patent_app_type] => utility [patent_app_number] => 16/590946 [patent_app_country] => US [patent_app_date] => 2019-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5723 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16590946 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/590946
Thermoelectric generator for vehicle Oct 1, 2019 Issued
Array ( [id] => 15801605 [patent_doc_number] => 20200123945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => MUFFLER STRUCTURE OF SADDLE-TYPE VEHICLE [patent_app_type] => utility [patent_app_number] => 16/584615 [patent_app_country] => US [patent_app_date] => 2019-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16584615 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/584615
Muffler structure of saddle-type vehicle Sep 25, 2019 Issued
Array ( [id] => 15801609 [patent_doc_number] => 20200123947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => MUFFLER STRUCTURE OF SADDLE-TYPE VEHICLE [patent_app_type] => utility [patent_app_number] => 16/582818 [patent_app_country] => US [patent_app_date] => 2019-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16582818 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/582818
Muffler structure of saddle-type vehicle Sep 24, 2019 Issued
Array ( [id] => 15682563 [patent_doc_number] => 20200095945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-26 [patent_title] => EXHAUST GAS FLAP [patent_app_type] => utility [patent_app_number] => 16/578727 [patent_app_country] => US [patent_app_date] => 2019-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16578727 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/578727
Exhaust gas flap Sep 22, 2019 Issued
Array ( [id] => 15651107 [patent_doc_number] => 20200088083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => TAILPIPE RISER [patent_app_type] => utility [patent_app_number] => 16/573155 [patent_app_country] => US [patent_app_date] => 2019-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5797 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16573155 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/573155
Tailpipe riser Sep 16, 2019 Issued
Array ( [id] => 15651095 [patent_doc_number] => 20200088077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => SILENCER FOR AN EXHAUST GAS SYSTEM OF A MOTOR VEHICLE AND MOTOR VEHICLE WITH A SILENCER [patent_app_type] => utility [patent_app_number] => 16/571420 [patent_app_country] => US [patent_app_date] => 2019-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16571420 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/571420
SILENCER FOR AN EXHAUST GAS SYSTEM OF A MOTOR VEHICLE AND MOTOR VEHICLE WITH A SILENCER Sep 15, 2019 Abandoned
Array ( [id] => 16642805 [patent_doc_number] => 10920647 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-16 [patent_title] => Combustion engine [patent_app_type] => utility [patent_app_number] => 16/568183 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4534 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16568183 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/568183
Combustion engine Sep 10, 2019 Issued
Array ( [id] => 16843436 [patent_doc_number] => 11015510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-25 [patent_title] => Catalyst deterioration diagnosis system and catalyst deterioration diagnosis method [patent_app_type] => utility [patent_app_number] => 16/566922 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 8158 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 382 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16566922 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/566922
Catalyst deterioration diagnosis system and catalyst deterioration diagnosis method Sep 10, 2019 Issued
Array ( [id] => 18764605 [patent_doc_number] => 11814994 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Component of an exhaust system and method for manufacturing such a component [patent_app_type] => utility [patent_app_number] => 17/274464 [patent_app_country] => US [patent_app_date] => 2019-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4879 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17274464 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/274464
Component of an exhaust system and method for manufacturing such a component Sep 8, 2019 Issued
Array ( [id] => 16689079 [patent_doc_number] => 20210071555 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => METHODS AND SYSTEMS FOR AN EXHAUST TUNING VALVE [patent_app_type] => utility [patent_app_number] => 16/565398 [patent_app_country] => US [patent_app_date] => 2019-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16565398 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/565398
Methods and systems for an exhaust tuning valve Sep 8, 2019 Issued
Array ( [id] => 17142380 [patent_doc_number] => 20210310392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => EXHAUST GAS ENERGY RECOVERY CONVERTER [patent_app_type] => utility [patent_app_number] => 17/269102 [patent_app_country] => US [patent_app_date] => 2019-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17269102 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/269102
Exhaust gas energy recovery converter Aug 21, 2019 Issued
Array ( [id] => 17429122 [patent_doc_number] => 20220056830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => DYNAMIC EXCESS AMMONIA DETECTION WITH THE AID OF A SOFTWARE ALGORITHM IN ORDER TO ELIMINATE THE AMMONIA SENSOR [patent_app_type] => utility [patent_app_number] => 17/275964 [patent_app_country] => US [patent_app_date] => 2019-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3965 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17275964 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/275964
Dynamic excess ammonia detection with the aid of a software algorithm in order to eliminate the ammonia sensor Aug 15, 2019 Issued
Array ( [id] => 16635725 [patent_doc_number] => 10914223 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-02-09 [patent_title] => Particulate matter sensor hardware protection in after-run [patent_app_type] => utility [patent_app_number] => 16/523317 [patent_app_country] => US [patent_app_date] => 2019-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 5036 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16523317 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/523317
Particulate matter sensor hardware protection in after-run Jul 25, 2019 Issued
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