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] => 18971733 [patent_doc_number] => 20240051825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => METHOD FOR PRODUCING A SYNTHESIS GAS MIXTURE [patent_app_type] => utility [patent_app_number] => 18/283886 [patent_app_country] => US [patent_app_date] => 2022-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5381 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18283886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/283886
METHOD FOR PRODUCING A SYNTHESIS GAS MIXTURE Mar 23, 2022 Pending
Array ( [id] => 20271847 [patent_doc_number] => 12441616 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Phosphorus oxide and phosphoric acid production processes [patent_app_type] => utility [patent_app_number] => 17/701815 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5712 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17701815 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/701815
Phosphorus oxide and phosphoric acid production processes Mar 22, 2022 Issued
Array ( [id] => 20492501 [patent_doc_number] => 12534363 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Fuel additives for storage and rapid generation of hydrogen [patent_app_type] => utility [patent_app_number] => 17/655901 [patent_app_country] => US [patent_app_date] => 2022-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 881 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17655901 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/655901
Fuel additives for storage and rapid generation of hydrogen Mar 21, 2022 Issued
Array ( [id] => 19172268 [patent_doc_number] => 20240158242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => SILICON DIOXIDE POWDER [patent_app_type] => utility [patent_app_number] => 18/282319 [patent_app_country] => US [patent_app_date] => 2022-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18282319 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/282319
SILICON DIOXIDE POWDER Mar 21, 2022 Pending
Array ( [id] => 19187619 [patent_doc_number] => 20240166532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => PROCESS FOR MAKING PARTICULATE OXYHYDROXIDE OR OXIDES [patent_app_type] => utility [patent_app_number] => 18/550378 [patent_app_country] => US [patent_app_date] => 2022-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18550378 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550378
PROCESS FOR MAKING PARTICULATE OXYHYDROXIDE OR OXIDES Mar 20, 2022 Pending
Array ( [id] => 19344054 [patent_doc_number] => 20240253017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => ON THE PRODUCTION OF VISIBLE LIGHT ACTIVE TIO2 NANOSTRUCTURES [patent_app_type] => utility [patent_app_number] => 18/565766 [patent_app_country] => US [patent_app_date] => 2022-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2485 [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] => 18565766 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/565766
ON THE PRODUCTION OF VISIBLE LIGHT ACTIVE TIO2 NANOSTRUCTURES Mar 10, 2022 Pending
Array ( [id] => 18627998 [patent_doc_number] => 20230286818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => ORGANOTEMPLATE-FREE SYNTHESIS OF MOLECULAR SIEVE SSZ-122 [patent_app_type] => utility [patent_app_number] => 17/691563 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2777 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17691563 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691563
Organotemplate-free synthesis of molecular sieve SSZ-122 Mar 9, 2022 Issued
Array ( [id] => 17865796 [patent_doc_number] => 20220288531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => NOVEL ENZYMATIC PHASE TRANSFER SOLVENT FOR CO2/H2S CAPTURE [patent_app_type] => utility [patent_app_number] => 17/689865 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17689865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/689865
Enzymatic phase transfer solvent for CO Mar 7, 2022 Issued
Array ( [id] => 18289820 [patent_doc_number] => 11618682 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-04 [patent_title] => Mixed slurry of strong and weak graphene oxides and preparation method of mixed slurry, and composite film of strong and weak graphene oxides and preparation method of composite film [patent_app_type] => utility [patent_app_number] => 17/653755 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8893 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17653755 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/653755
Mixed slurry of strong and weak graphene oxides and preparation method of mixed slurry, and composite film of strong and weak graphene oxides and preparation method of composite film Mar 6, 2022 Issued
Array ( [id] => 19141993 [patent_doc_number] => 20240140815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => METHOD FOR PREPARING INORGANIC COMPOUND USING DESULFURIZATION GYPSUM FOR REDUCING GREENHOUSE GAS EMISSIONS [patent_app_type] => utility [patent_app_number] => 18/279935 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18279935 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/279935
METHOD FOR PREPARING INORGANIC COMPOUND USING DESULFURIZATION GYPSUM FOR REDUCING GREENHOUSE GAS EMISSIONS Mar 3, 2022 Pending
Array ( [id] => 19157474 [patent_doc_number] => 20240150181 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => REDUCING AGENT, GAS PRODUCTION METHOD, AND METHOD FOR INCREASING CONVERSION EFFICIENCY [patent_app_type] => utility [patent_app_number] => 18/280071 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18280071 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280071
REDUCING AGENT, GAS PRODUCTION METHOD, AND METHOD FOR INCREASING CONVERSION EFFICIENCY Mar 2, 2022 Pending
Array ( [id] => 19447726 [patent_doc_number] => 20240307856 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => CATALYST AND METHOD FOR PRODUCING COMPOUND BY GAS PHASE OXIDATION REACTION USING SAME [patent_app_type] => utility [patent_app_number] => 18/279678 [patent_app_country] => US [patent_app_date] => 2022-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13906 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18279678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/279678
CATALYST AND METHOD FOR PRODUCING COMPOUND BY GAS PHASE OXIDATION REACTION USING SAME Feb 23, 2022 Pending
Array ( [id] => 17627056 [patent_doc_number] => 20220162071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => System and Method for Removing Organics from Phosphate Ore Using an Acid [patent_app_type] => utility [patent_app_number] => 17/666470 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5957 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17666470 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/666470
System and Method for Removing Organics from Phosphate Ore Using an Acid Feb 6, 2022 Pending
Array ( [id] => 17612088 [patent_doc_number] => 20220154367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => NITRIDE CRYSTAL SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 17/649983 [patent_app_country] => US [patent_app_date] => 2022-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17649983 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649983
Nitride crystal substrate and method for manufacturing the same Feb 3, 2022 Issued
Array ( [id] => 19097533 [patent_doc_number] => 20240116760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => PELLICLE MEMBRANE FOR A LITHOGRAPHIC APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 18/276248 [patent_app_country] => US [patent_app_date] => 2022-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7315 [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] => 18276248 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/276248
PELLICLE MEMBRANE FOR A LITHOGRAPHIC APPARATUS AND METHOD Feb 2, 2022 Pending
Array ( [id] => 19097537 [patent_doc_number] => 20240116764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => FUMED SILICA POWDER WITH REDUCED SILANOL GROUP DENSITY [patent_app_type] => utility [patent_app_number] => 18/276592 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10272 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18276592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/276592
FUMED SILICA POWDER WITH REDUCED SILANOL GROUP DENSITY Jan 18, 2022 Pending
Array ( [id] => 17748597 [patent_doc_number] => 20220226800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => SYSTEMS AND METHODS FOR DRYING COMPOUNDS [patent_app_type] => utility [patent_app_number] => 17/574830 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6667 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17574830 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/574830
Systems and methods for drying compounds Jan 12, 2022 Issued
Array ( [id] => 20187339 [patent_doc_number] => 12398446 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Rhenium remediation in the preparation of molybdenum-99 [patent_app_type] => utility [patent_app_number] => 17/572087 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3601 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17572087 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572087
Rhenium remediation in the preparation of molybdenum-99 Jan 9, 2022 Issued
Array ( [id] => 17734520 [patent_doc_number] => 20220219979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => METHODS FOR PRODUCING ANHYDROUS HYDROGEN IODIDE (HI) [patent_app_type] => utility [patent_app_number] => 17/572544 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17572544 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572544
METHODS FOR PRODUCING ANHYDROUS HYDROGEN IODIDE (HI) Jan 9, 2022 Abandoned
Array ( [id] => 17821787 [patent_doc_number] => 11426713 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-30 [patent_title] => Monolithic catalyst and preparation method and use thereof [patent_app_type] => utility [patent_app_number] => 17/567109 [patent_app_country] => US [patent_app_date] => 2021-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3500 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17567109 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/567109
Monolithic catalyst and preparation method and use thereof Dec 30, 2021 Issued
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