Search

Sheng Han Davis

Examiner (ID: 14073, Phone: (571)270-5823 , Office: P/1732 )

Most Active Art Unit
1732
Art Unit(s)
1793, 1732, 4162
Total Applications
1256
Issued Applications
742
Pending Applications
146
Abandoned Applications
387

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20802931 [patent_doc_number] => 12667822 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [patent_title] => Structured powders for carbon dioxide capture [patent_app_type] => utility [patent_app_number] => 19/258385 [patent_app_country] => US [patent_app_date] => 2025-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 12718 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19258385 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/258385
STRUCTURED POWDERS FOR CARBON DIOXIDE CAPTURE Jul 1, 2025 Issued
Array ( [id] => 20445053 [patent_doc_number] => 20260001770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => ZEOLITES BASED ON WASTE INCINERATION FLY ASH AND PREPARATION METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 19/251836 [patent_app_country] => US [patent_app_date] => 2025-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2013 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 19251836 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/251836
Zeolites based on waste incineration fly ash and preparation methods thereof Jun 26, 2025 Issued
Array ( [id] => 20135297 [patent_doc_number] => 20250242341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => PREPARATION METHOD FOR ACTIVATED COKE CATALYST CAPABLE OF SIMULTANEOUSLY REMOVING NO, SO2 AND HCl [patent_app_type] => utility [patent_app_number] => 19/027341 [patent_app_country] => US [patent_app_date] => 2025-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19027341 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/027341
Preparation capable of simultaneously removing NO, SO Jan 16, 2025 Issued
Array ( [id] => 20386452 [patent_doc_number] => 12486168 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Increasing yield of hypobromite when a bromide salt is reacted with bleach [patent_app_type] => utility [patent_app_number] => 18/965959 [patent_app_country] => US [patent_app_date] => 2024-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 799 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18965959 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/965959
Increasing yield of hypobromite when a bromide salt is reacted with bleach Dec 1, 2024 Issued
Array ( [id] => 19683798 [patent_doc_number] => 20250002343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => TWINNED TWO-DIMENSIONAL TELLURIUM CRYSTALS WITH CO-EXISTING OPPOSITE CHIRALITY [patent_app_type] => utility [patent_app_number] => 18/829917 [patent_app_country] => US [patent_app_date] => 2024-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4930 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18829917 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/829917
TWINNED TWO-DIMENSIONAL TELLURIUM CRYSTALS WITH CO-EXISTING OPPOSITE CHIRALITY Sep 9, 2024 Pending
Array ( [id] => 19586204 [patent_doc_number] => 20240383761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => PRECIPITATED SILICA WITH IMPROVED PROCESSING PROPERTIES [patent_app_type] => utility [patent_app_number] => 18/789072 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12484 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18789072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/789072
PRECIPITATED SILICA WITH IMPROVED PROCESSING PROPERTIES Jul 29, 2024 Pending
Array ( [id] => 19883298 [patent_doc_number] => 12268984 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Process for removing hydrogen sulfide from sour gases with ZIF-8 mixed metal hydroxides composites [patent_app_type] => utility [patent_app_number] => 18/772460 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 12607 [patent_no_of_claims] => 16 [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] => 18772460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772460
Process for removing hydrogen sulfide from sour gases with ZIF-8 mixed metal hydroxides composites Jul 14, 2024 Issued
Array ( [id] => 20607393 [patent_doc_number] => 12582974 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => No [patent_app_type] => utility [patent_app_number] => 18/772490 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772490 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772490
No Jul 14, 2024 Issued
Array ( [id] => 19570869 [patent_doc_number] => 20240375161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => NOVEL REMEDIATING COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/768276 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18768276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768276
NOVEL REMEDIATING COMPOSITION Jul 9, 2024 Pending
Array ( [id] => 19542958 [patent_doc_number] => 20240359994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => SUPERCRITICAL DRYING METHOD FOR SILICA WET GEL BLANKET [patent_app_type] => utility [patent_app_number] => 18/767608 [patent_app_country] => US [patent_app_date] => 2024-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 18767608 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/767608
SUPERCRITICAL DRYING METHOD FOR SILICA WET GEL BLANKET Jul 8, 2024 Pending
Array ( [id] => 19527083 [patent_doc_number] => 20240350985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SYSTEM FOR STORING CHEMICAL LIQUID AND METHOD FOR ADJUSTING GAS CONCENTRATION IN CHEMICAL LIQUID [patent_app_type] => utility [patent_app_number] => 18/763852 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18763852 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/763852
SYSTEM FOR STORING CHEMICAL LIQUID AND METHOD FOR ADJUSTING GAS CONCENTRATION IN CHEMICAL LIQUID Jul 2, 2024 Pending
Array ( [id] => 19463925 [patent_doc_number] => 20240317594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => Zeolite Syntheses Using Diquaternary Structure Directing Agents [patent_app_type] => utility [patent_app_number] => 18/733491 [patent_app_country] => US [patent_app_date] => 2024-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9770 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18733491 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/733491
Zeolite syntheses using diquaternary structure directing agents Jun 3, 2024 Issued
Array ( [id] => 20687559 [patent_doc_number] => 12617694 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Low alpha-ray emission stannous oxide and method of producing the same [patent_app_type] => utility [patent_app_number] => 18/653084 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3378 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653084 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653084
Low alpha-ray emission stannous oxide and method of producing the same May 1, 2024 Issued
Array ( [id] => 20527548 [patent_doc_number] => 12545975 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Methods and compositions for recovery of lithium from liquid solutions with nanoparticles [patent_app_type] => utility [patent_app_number] => 18/643610 [patent_app_country] => US [patent_app_date] => 2024-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18643610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/643610
Methods and compositions for recovery of lithium from liquid solutions with nanoparticles Apr 22, 2024 Issued
Array ( [id] => 19359695 [patent_doc_number] => 20240261729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => CARBON DIOXIDE-CAPTURING CEMENT COMPOSITIONS AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 18/608727 [patent_app_country] => US [patent_app_date] => 2024-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18608727 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/608727
CARBON DIOXIDE-CAPTURING CEMENT COMPOSITIONS AND RELATED METHODS Mar 17, 2024 Abandoned
Array ( [id] => 19299739 [patent_doc_number] => 20240228308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => SYNTHESIS OF *MRE FRAMEWORK TYPE MOLECULAR SIEVES [patent_app_type] => utility [patent_app_number] => 18/604633 [patent_app_country] => US [patent_app_date] => 2024-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18604633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604633
SYNTHESIS OF *MRE FRAMEWORK TYPE MOLECULAR SIEVES Mar 13, 2024 Pending
Array ( [id] => 19447724 [patent_doc_number] => 20240307854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => EXHAUST GAS PURIFYING CATALYST [patent_app_type] => utility [patent_app_number] => 18/413452 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4610 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18413452 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/413452
EXHAUST GAS PURIFYING CATALYST Jan 15, 2024 Pending
Array ( [id] => 19140914 [patent_doc_number] => 20240139718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => PEROVSKITE METAL OXIDE CATALYST, IN WHICH METAL ION IS SUBSTITUTED, FOR REDUCING CARBON DEPOSITION, PREPARATION METHOD THEREFOR, AND METHANE REFORMING REACTION METHOD USING SAME [patent_app_type] => utility [patent_app_number] => 18/410777 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410777
PEROVSKITE METAL OXIDE CATALYST, IN WHICH METAL ION IS SUBSTITUTED, FOR REDUCING CARBON DEPOSITION, PREPARATION METHOD THEREFOR, AND METHANE REFORMING REACTION METHOD USING SAME Jan 10, 2024 Pending
Array ( [id] => 19317185 [patent_doc_number] => 20240238725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => CATALYST COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/409927 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18409927 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/409927
CATALYST COMPOSITION Jan 10, 2024 Pending
Array ( [id] => 19331632 [patent_doc_number] => 20240246062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => PROCESS AND CIRCUIT FOR REINTERCALATING SPENT LITHIUM SELECTIVE ADSORBENTS [patent_app_type] => utility [patent_app_number] => 18/409732 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12671 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -60 [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] => 18409732 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/409732
PROCESS AND CIRCUIT FOR REINTERCALATING SPENT LITHIUM SELECTIVE ADSORBENTS Jan 9, 2024 Pending
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