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] => 17577466 [patent_doc_number] => 20220134321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => METHOD OF PREPARING SCR CATALYST AND SCR CATALYST PREPARED THEREBY [patent_app_type] => utility [patent_app_number] => 17/240258 [patent_app_country] => US [patent_app_date] => 2021-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3121 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17240258 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/240258
METHOD OF PREPARING SCR CATALYST AND SCR CATALYST PREPARED THEREBY Apr 25, 2021 Abandoned
Array ( [id] => 17990024 [patent_doc_number] => 20220356061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => METHOD FOR PRODUCING HALOGEN OXYACID SOLUTION [patent_app_type] => utility [patent_app_number] => 17/618762 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17618762 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/618762
Method for producing halogen oxyacid solution Apr 15, 2021 Issued
Array ( [id] => 18619443 [patent_doc_number] => 11752467 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Method for removing nitrogen oxides from a gas [patent_app_type] => utility [patent_app_number] => 17/227519 [patent_app_country] => US [patent_app_date] => 2021-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1277 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17227519 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/227519
Method for removing nitrogen oxides from a gas Apr 11, 2021 Issued
Array ( [id] => 18361747 [patent_doc_number] => 20230143338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => MULTI-FUNCTIONAL CATALYSTS FOR THE OXIDATION OF NO, THE OXIDATION OF NH3 AND THE SELECTIVE CATALYTIC REDUCTION OF NOX [patent_app_type] => utility [patent_app_number] => 17/907557 [patent_app_country] => US [patent_app_date] => 2021-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17907557 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/907557
MULTI-FUNCTIONAL CATALYSTS FOR THE OXIDATION OF NO, THE OXIDATION OF NH3 AND THE SELECTIVE CATALYTIC REDUCTION OF NOX Apr 8, 2021 Pending
Array ( [id] => 18374828 [patent_doc_number] => 20230149907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => EXHAUST GAS PURIFICATION CATALYST DEVICE [patent_app_type] => utility [patent_app_number] => 17/912151 [patent_app_country] => US [patent_app_date] => 2021-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17912151 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912151
EXHAUST GAS PURIFICATION CATALYST DEVICE Apr 1, 2021 Pending
Array ( [id] => 17250385 [patent_doc_number] => 11185855 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-11-30 [patent_title] => Cu, Fe and Mn oxide intercalated SiO [patent_app_type] => utility [patent_app_number] => 17/220350 [patent_app_country] => US [patent_app_date] => 2021-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 33 [patent_no_of_words] => 14092 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17220350 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/220350
Cu, Fe and Mn oxide intercalated SiO Mar 31, 2021 Issued
Array ( [id] => 18450048 [patent_doc_number] => 20230191325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => A PROCESS FOR THE REMOVAL OF NOX AND DINITROGEN OXIDE IN PROCESS OFF-GAS [patent_app_type] => utility [patent_app_number] => 17/914874 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3123 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17914874 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/914874
A PROCESS FOR THE REMOVAL OF NOX AND DINITROGEN OXIDE IN PROCESS OFF-GAS Mar 28, 2021 Pending
Array ( [id] => 19424117 [patent_doc_number] => 12083510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => NO [patent_app_type] => utility [patent_app_number] => 17/212482 [patent_app_country] => US [patent_app_date] => 2021-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3146 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17212482 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/212482
NO Mar 24, 2021 Issued
Array ( [id] => 18450101 [patent_doc_number] => 20230191378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => ZEOLITIC MATERIAL HAVING A FRAMEWORK STRUCTURE COMPRISING SI, O, AND TI [patent_app_type] => utility [patent_app_number] => 17/912868 [patent_app_country] => US [patent_app_date] => 2021-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17912868 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912868
ZEOLITIC MATERIAL HAVING A FRAMEWORK STRUCTURE COMPRISING SI, O, AND TI Mar 21, 2021 Pending
Array ( [id] => 16990659 [patent_doc_number] => 20210229079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => SELECTIVE CATALYTIC REDUCTION ARTICLES AND SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/206963 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12929 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17206963 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/206963
Selective catalytic reduction articles and systems Mar 18, 2021 Issued
Array ( [id] => 18366749 [patent_doc_number] => 20230148341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => CEMENT PLUG COMPOSITION FOR APPLICATION TO A CERAMIC HONEYCOMB BODY AND METHOD OF FORMING PLUGGED CERAMIC HONEYCOMB BODY WITH THE SAME [patent_app_type] => utility [patent_app_number] => 17/912628 [patent_app_country] => US [patent_app_date] => 2020-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13015 [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] => 17912628 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912628
Cement plug composition for application to a ceramic honeycomb body and method of forming plugged ceramic honeycomb body with the same Mar 10, 2021 Issued
Array ( [id] => 18636138 [patent_doc_number] => 11760720 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Modified sulfuric acid and uses thereof [patent_app_type] => utility [patent_app_number] => 17/187247 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4534 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17187247 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/187247
Modified sulfuric acid and uses thereof Feb 25, 2021 Issued
Array ( [id] => 17067755 [patent_doc_number] => 20210269970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => MODIFIED SULFURIC ACID AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/187122 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5901 [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] => 17187122 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/187122
Modified sulfuric acid and uses thereof Feb 25, 2021 Issued
Array ( [id] => 17791835 [patent_doc_number] => 20220250926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => SYNTHESIS OF TON FRAMEWORK TYPE MOLECULAR SIEVES [patent_app_type] => utility [patent_app_number] => 17/173712 [patent_app_country] => US [patent_app_date] => 2021-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17173712 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/173712
Synthesis of ton framework type molecular sieves Feb 10, 2021 Issued
Array ( [id] => 18244225 [patent_doc_number] => 20230076536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => EXHAUST GAS PURIFICATION CATALYST DEVICE [patent_app_type] => utility [patent_app_number] => 17/801349 [patent_app_country] => US [patent_app_date] => 2021-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7231 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17801349 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/801349
EXHAUST GAS PURIFICATION CATALYST DEVICE Feb 9, 2021 Pending
Array ( [id] => 18536501 [patent_doc_number] => 20230241590 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => ERNARY COMPOSITE MATERIAL HAVING NIO NANOSHEET/BIMETALLIC CECUOX MICROSHEET CORE-SHELL STRUCTURE, AND PREPARATION AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/011173 [patent_app_country] => US [patent_app_date] => 2021-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2738 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18011173 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011173
Ternary composite material having NiO nanosheet/bimetallic CeCuO Jan 30, 2021 Issued
Array ( [id] => 18241356 [patent_doc_number] => 20230073667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => DENITRATION CATALYST STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/795616 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3937 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17795616 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/795616
DENITRATION CATALYST STRUCTURE Jan 25, 2021 Abandoned
Array ( [id] => 18244738 [patent_doc_number] => 20230077049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => METHOD FOR GENERATING CARBON MONOXIDE, METHOD FOR PRODUCING PRECURSOR, AND MATERIAL FOR CHEMICAL LOOPING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/759933 [patent_app_country] => US [patent_app_date] => 2021-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2975 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17759933 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/759933
Method for generating carbon monoxide, method for producing precursor, and material for chemical looping system Jan 19, 2021 Issued
Array ( [id] => 16977457 [patent_doc_number] => 20210221694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => PROCESSES FOR MANUFACTURING A MATERIAL [patent_app_type] => utility [patent_app_number] => 17/151981 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17151981 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/151981
PROCESSES FOR MANUFACTURING A MATERIAL Jan 18, 2021 Abandoned
Array ( [id] => 17184256 [patent_doc_number] => 20210331141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => RARE-EARTH METAL VANADATES CATALYSTS FOR NOX REDUCTION AT LOW TEMPERATURES [patent_app_type] => utility [patent_app_number] => 17/138131 [patent_app_country] => US [patent_app_date] => 2020-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8266 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17138131 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/138131
Rare-earth metal vanadates catalysts for NO Dec 29, 2020 Issued
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