Search

Aiqun Li

Examiner (ID: 992, Phone: (571)270-7736 , Office: P/1768 )

Most Active Art Unit
1768
Art Unit(s)
1768, 1766, 1796, 1763
Total Applications
931
Issued Applications
549
Pending Applications
106
Abandoned Applications
317

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19955418 [patent_doc_number] => 12325826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => High-flow-conductivity proppant and preparation method thereof [patent_app_type] => utility [patent_app_number] => 19/009926 [patent_app_country] => US [patent_app_date] => 2025-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19009926 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/009926
High-flow-conductivity proppant and preparation method thereof Jan 3, 2025 Issued
Array ( [id] => 20241130 [patent_doc_number] => 12421439 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Dual-purpose sacrificial anti-swelling agent, preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 19/004499 [patent_app_country] => US [patent_app_date] => 2024-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19004499 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/004499
Dual-purpose sacrificial anti-swelling agent, preparation method and application thereof Dec 29, 2024 Issued
Array ( [id] => 20241130 [patent_doc_number] => 12421439 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Dual-purpose sacrificial anti-swelling agent, preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 19/004499 [patent_app_country] => US [patent_app_date] => 2024-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19004499 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/004499
Dual-purpose sacrificial anti-swelling agent, preparation method and application thereof Dec 29, 2024 Issued
Array ( [id] => 20241130 [patent_doc_number] => 12421439 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Dual-purpose sacrificial anti-swelling agent, preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 19/004499 [patent_app_country] => US [patent_app_date] => 2024-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19004499 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/004499
Dual-purpose sacrificial anti-swelling agent, preparation method and application thereof Dec 29, 2024 Issued
Array ( [id] => 19634877 [patent_doc_number] => 20240413326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => Winding-Type Nonaqueous Electrolyte Secondary Battery [patent_app_type] => utility [patent_app_number] => 18/773850 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6172 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18773850 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/773850
Winding-type nonaqueous electrolyte secondary battery Jul 15, 2024 Issued
Array ( [id] => 19464396 [patent_doc_number] => 20240318065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => ALKYL LACTONE-DERIVED HYDROXYAMIDES AND ALKYL LACTONE-DERIVED HYDROXYESTERS FOR THE CONTROL OF NATURAL GAS HYDRATES [patent_app_type] => utility [patent_app_number] => 18/678158 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678158 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678158
Alkyl lactone-derived hydroxyamides and alkyl lactone-derived hydroxyesters for the control of natural gas hydrates May 29, 2024 Issued
Array ( [id] => 19449130 [patent_doc_number] => 20240309260 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => ULTRA-HIGH MOLECULAR WEIGHT (UHMW) BRANCHED BLOCK COPOLYMER VISCOSIFIER FOR WATER BASED DRILLING FLUIDS [patent_app_type] => utility [patent_app_number] => 18/677235 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12102 [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] => 18677235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/677235
ULTRA-HIGH MOLECULAR WEIGHT (UHMW) BRANCHED BLOCK COPOLYMER VISCOSIFIER FOR WATER BASED DRILLING FLUIDS May 28, 2024 Pending
Array ( [id] => 19449130 [patent_doc_number] => 20240309260 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => ULTRA-HIGH MOLECULAR WEIGHT (UHMW) BRANCHED BLOCK COPOLYMER VISCOSIFIER FOR WATER BASED DRILLING FLUIDS [patent_app_type] => utility [patent_app_number] => 18/677235 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12102 [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] => 18677235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/677235
ULTRA-HIGH MOLECULAR WEIGHT (UHMW) BRANCHED BLOCK COPOLYMER VISCOSIFIER FOR WATER BASED DRILLING FLUIDS May 28, 2024 Pending
Array ( [id] => 19389658 [patent_doc_number] => 20240279528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => C-36 DIMER DIAMINE HYDROCHLORIDE SALT AS PRIMARY VISCOSIFIER FOR INVERT-EMULSION DRILLING FLUIDS [patent_app_type] => utility [patent_app_number] => 18/653165 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653165 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653165
C-36 dimer diamine hydrochloride salt as primary viscosifier for invert-emulsion drilling fluids May 1, 2024 Issued
Array ( [id] => 19389658 [patent_doc_number] => 20240279528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => C-36 DIMER DIAMINE HYDROCHLORIDE SALT AS PRIMARY VISCOSIFIER FOR INVERT-EMULSION DRILLING FLUIDS [patent_app_type] => utility [patent_app_number] => 18/653165 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653165 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653165
C-36 dimer diamine hydrochloride salt as primary viscosifier for invert-emulsion drilling fluids May 1, 2024 Issued
Array ( [id] => 19955415 [patent_doc_number] => 12325823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Composition for making a drilling fluid a non-invasive drilling fluid [patent_app_type] => utility [patent_app_number] => 18/403777 [patent_app_country] => US [patent_app_date] => 2024-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3875 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18403777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/403777
Composition for making a drilling fluid a non-invasive drilling fluid Jan 3, 2024 Issued
Array ( [id] => 19097865 [patent_doc_number] => 20240117093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => CONTAMINANT REMEDIATION WITH FUNCTIONALIZED (METH)ACRYLIC POLYMER OR COPOLYMER MACROPARTICULATES AND SYSTEMS RELATED THERETO [patent_app_type] => utility [patent_app_number] => 18/528047 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18528047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528047
CONTAMINANT REMEDIATION WITH FUNCTIONALIZED (METH)ACRYLIC POLYMER OR COPOLYMER MACROPARTICULATES AND SYSTEMS RELATED THERETO Dec 3, 2023 Pending
Array ( [id] => 19003948 [patent_doc_number] => 20240068019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => Microbial Products and Their Use in Bioremediation and to Remove Paraffin and Other Contaminating Substances from Oil and Gas Production and Processing Equipment [patent_app_type] => utility [patent_app_number] => 18/496172 [patent_app_country] => US [patent_app_date] => 2023-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15801 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18496172 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/496172
Microbial Products and Their Use in Bioremediation and to Remove Paraffin and Other Contaminating Substances from Oil and Gas Production and Processing Equipment Oct 26, 2023 Pending
Array ( [id] => 19098010 [patent_doc_number] => 20240117238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => EXTENDED RELEASE ASPHALTENE INHIBITOR COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/373687 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18373687 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373687
EXTENDED RELEASE ASPHALTENE INHIBITOR COMPOSITION Sep 26, 2023 Pending
Array ( [id] => 20144134 [patent_doc_number] => 12378463 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Water-based resin with elasticity for applications in cementing and subterranean structures [patent_app_type] => utility [patent_app_number] => 18/468163 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 8837 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468163 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468163
Water-based resin with elasticity for applications in cementing and subterranean structures Sep 14, 2023 Issued
Array ( [id] => 19172713 [patent_doc_number] => 20240158687 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => HIGH-TEMPERATURE FLUIDS FOR COILED TUBING APPLICATIONS AND METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 18/456645 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5244 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18456645 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456645
HIGH-TEMPERATURE FLUIDS FOR COILED TUBING APPLICATIONS AND METHODS THEREOF Aug 27, 2023 Abandoned
Array ( [id] => 18817730 [patent_doc_number] => 20230392070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => ULTRA HIGH ACTIVITY SLURRY FOR HYDRAULIC FRACTURING [patent_app_type] => utility [patent_app_number] => 18/235636 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18235636 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235636
ULTRA HIGH ACTIVITY SLURRY FOR HYDRAULIC FRACTURING Aug 17, 2023 Abandoned
Array ( [id] => 18817730 [patent_doc_number] => 20230392070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => ULTRA HIGH ACTIVITY SLURRY FOR HYDRAULIC FRACTURING [patent_app_type] => utility [patent_app_number] => 18/235636 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18235636 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235636
ULTRA HIGH ACTIVITY SLURRY FOR HYDRAULIC FRACTURING Aug 17, 2023 Abandoned
Array ( [id] => 18808836 [patent_doc_number] => 20230383170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => COMPOSITIONS TO STABILIZE ASPHALTENES IN PETROLEUM FLUIDS [patent_app_type] => utility [patent_app_number] => 18/233778 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18233778 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233778
COMPOSITIONS TO STABILIZE ASPHALTENES IN PETROLEUM FLUIDS Aug 13, 2023 Pending
Array ( [id] => 18808836 [patent_doc_number] => 20230383170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => COMPOSITIONS TO STABILIZE ASPHALTENES IN PETROLEUM FLUIDS [patent_app_type] => utility [patent_app_number] => 18/233778 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18233778 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233778
COMPOSITIONS TO STABILIZE ASPHALTENES IN PETROLEUM FLUIDS Aug 13, 2023 Pending
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