Search

Sheng Han Davis

Examiner (ID: 17019, Phone: (571)270-5823 , Office: P/1732 )

Most Active Art Unit
1732
Art Unit(s)
1732, 4162, 1793
Total Applications
1258
Issued Applications
743
Pending Applications
144
Abandoned Applications
389

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16475932 [patent_doc_number] => 10850855 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-01 [patent_title] => Catalytic ozone removal [patent_app_type] => utility [patent_app_number] => 16/390561 [patent_app_country] => US [patent_app_date] => 2019-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2400 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16390561 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/390561
Catalytic ozone removal Apr 21, 2019 Issued
Array ( [id] => 16621305 [patent_doc_number] => 20210039958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => TITANIUM DIOXIDE PARTICLES [patent_app_type] => utility [patent_app_number] => 17/044670 [patent_app_country] => US [patent_app_date] => 2019-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11639 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17044670 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/044670
TITANIUM DIOXIDE PARTICLES Apr 10, 2019 Pending
Array ( [id] => 14927121 [patent_doc_number] => 20190299198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => ZEOLITE PROMOTED V/TiW CATALYSTS [patent_app_type] => utility [patent_app_number] => 16/376188 [patent_app_country] => US [patent_app_date] => 2019-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5891 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16376188 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/376188
ZEOLITE PROMOTED V/TiW CATALYSTS Apr 4, 2019 Abandoned
Array ( [id] => 15021593 [patent_doc_number] => 20190321801 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => NITROGEN OXIDE STORAGE MATERIAL AND EXHAUST GAS PURIFICATION METHOD [patent_app_type] => utility [patent_app_number] => 16/375369 [patent_app_country] => US [patent_app_date] => 2019-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5087 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16375369 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/375369
Nitrogen oxide storage material and exhaust gas purification method Apr 3, 2019 Issued
Array ( [id] => 16947945 [patent_doc_number] => 20210206636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => MANUFACTURING METHOD FOR OBTAINING NOVEL CHLORINE OXIDE COMPOSITION FROM DEGRADED HYPOCHLORITE [patent_app_type] => utility [patent_app_number] => 17/044863 [patent_app_country] => US [patent_app_date] => 2019-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35578 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -49 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17044863 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/044863
MANUFACTURING METHOD FOR OBTAINING NOVEL CHLORINE OXIDE COMPOSITION FROM DEGRADED HYPOCHLORITE Apr 1, 2019 Abandoned
Array ( [id] => 20441626 [patent_doc_number] => 12512468 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Cathode active material precursor and lithium secondary battery utilizing same [patent_app_type] => utility [patent_app_number] => 17/041959 [patent_app_country] => US [patent_app_date] => 2019-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 930 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17041959 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/041959
Cathode active material precursor and lithium secondary battery utilizing same Mar 27, 2019 Issued
Array ( [id] => 14894641 [patent_doc_number] => 20190291086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => CATALYST FOR HYDRODESULFURIZATION OF COKE OVEN GAS AND METHOD OF PREPARING THE CATALYST [patent_app_type] => utility [patent_app_number] => 16/361182 [patent_app_country] => US [patent_app_date] => 2019-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16361182 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/361182
CATALYST FOR HYDRODESULFURIZATION OF COKE OVEN GAS AND METHOD OF PREPARING THE CATALYST Mar 20, 2019 Abandoned
Array ( [id] => 16597840 [patent_doc_number] => 20210024371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => PROCESS FOR PRECIPITATING A CARBONATE OR (OXY)HYDROXIDE [patent_app_type] => utility [patent_app_number] => 17/041789 [patent_app_country] => US [patent_app_date] => 2019-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4623 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17041789 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/041789
Process for precipitating a carbonate or (oxy)hydroxide Mar 20, 2019 Issued
Array ( [id] => 16628529 [patent_doc_number] => 20210047182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => PROCESS FOR MANUFACTURING AN AQUEOUS HYDROGEN PEROXIDE SOLUTION [patent_app_type] => utility [patent_app_number] => 16/981366 [patent_app_country] => US [patent_app_date] => 2019-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16981366 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/981366
Process for manufacturing an aqueous hydrogen peroxide solution Mar 18, 2019 Issued
Array ( [id] => 14834123 [patent_doc_number] => 20190275462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => Methods and Compositions for the Removal of Mercury from Gases [patent_app_type] => utility [patent_app_number] => 16/355121 [patent_app_country] => US [patent_app_date] => 2019-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19495 [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] => 16355121 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/355121
Methods and compositions for the removal of mercury from gases Mar 14, 2019 Issued
Array ( [id] => 16154571 [patent_doc_number] => 20200215518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => NITROGEN OXIDE REDUCTION CATALYST REGENERABLE AT LOW TEMPERATURE [patent_app_type] => utility [patent_app_number] => 16/354406 [patent_app_country] => US [patent_app_date] => 2019-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13862 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16354406 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/354406
Nitrogen oxide reduction catalyst regenerable at low temperature Mar 14, 2019 Issued
Array ( [id] => 15452051 [patent_doc_number] => 20200038849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => PRODUCTION OF HYDROTHERMALLY STABLE CHA ZEOLITES [patent_app_type] => utility [patent_app_number] => 16/296907 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5573 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16296907 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/296907
Production of hydrothermally stable CHA zeolites Mar 7, 2019 Issued
Array ( [id] => 14834219 [patent_doc_number] => 20190275510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => CATALYTIC CONVERTER RESTORATION SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 16/294878 [patent_app_country] => US [patent_app_date] => 2019-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16294878 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/294878
CATALYTIC CONVERTER RESTORATION SYSTEMS AND METHODS Mar 5, 2019 Abandoned
Array ( [id] => 14532433 [patent_doc_number] => 20190201837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => REGENERATIVE RECOVERY OF SULFUR DIOXIDE FROM EFFLUENT GASES [patent_app_type] => utility [patent_app_number] => 16/292210 [patent_app_country] => US [patent_app_date] => 2019-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13372 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16292210 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/292210
Regenerative recovery of sulfur dioxide from effluent gases Mar 3, 2019 Issued
Array ( [id] => 14500751 [patent_doc_number] => 20190194030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => METHOD OF PREPARING NANOSHEET TUNGSTEN DISULFIDE [patent_app_type] => utility [patent_app_number] => 16/290940 [patent_app_country] => US [patent_app_date] => 2019-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1981 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16290940 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/290940
METHOD OF PREPARING NANOSHEET TUNGSTEN DISULFIDE Mar 2, 2019 Abandoned
Array ( [id] => 17566980 [patent_doc_number] => 20220131129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => METHOD AND APPARATUS FOR PRODUCING TERNARY CATHODE MATERIAL [patent_app_type] => utility [patent_app_number] => 17/310793 [patent_app_country] => US [patent_app_date] => 2019-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2382 [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] => 17310793 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/310793
METHOD AND APPARATUS FOR PRODUCING TERNARY CATHODE MATERIAL Feb 25, 2019 Pending
Array ( [id] => 16687168 [patent_doc_number] => 20210069643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => PROCESS FOR REDUCING THE CONTENT OF NOx AND N2O FROM A TAIL GAS OF A NITRIC ACID PROCESS [patent_app_type] => utility [patent_app_number] => 16/976863 [patent_app_country] => US [patent_app_date] => 2019-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3321 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16976863 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/976863
Process for reducing the content of NOx and N2O from a tail gas of a nitric acid process Feb 18, 2019 Issued
Array ( [id] => 14404625 [patent_doc_number] => 20190168156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => FLAMELESS THERMAL OXIDIZER FOR OXIDIZING GASEOUS EFFLUENT STREAMS CONTAINING HYDROGEN GAS [patent_app_type] => utility [patent_app_number] => 16/272131 [patent_app_country] => US [patent_app_date] => 2019-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16272131 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/272131
Flameless thermal oxidizer for oxidizing gaseous effluent streams containing hydrogen gas Feb 10, 2019 Issued
Array ( [id] => 17028836 [patent_doc_number] => 11090634 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => Method for preparing a carbon-supported, platinum-transition metal alloy nanoparticle fuel cell catalyst [patent_app_type] => utility [patent_app_number] => 16/268913 [patent_app_country] => US [patent_app_date] => 2019-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3400 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [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] => 16268913 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/268913
Method for preparing a carbon-supported, platinum-transition metal alloy nanoparticle fuel cell catalyst Feb 5, 2019 Issued
Array ( [id] => 16868485 [patent_doc_number] => 20210161952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => Method for Preparing Metal Nanocube with Controlled Corner Sharpness Index [patent_app_type] => utility [patent_app_number] => 15/733420 [patent_app_country] => US [patent_app_date] => 2019-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9542 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 15733420 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/733420
Method for preparing metal nanocube with controlled corner sharpness index Jan 24, 2019 Issued
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