
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |