Search

Aiqun Li

Examiner (ID: 13219, Phone: (571)270-7736 , Office: P/1768 )

Most Active Art Unit
1768
Art Unit(s)
1796, 1763, 1768, 1766
Total Applications
942
Issued Applications
557
Pending Applications
96
Abandoned Applications
317

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12151722 [patent_doc_number] => 20180022986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'AMIDE BRANCHED AROMATIC GELLING AGENT BREAKERS' [patent_app_type] => utility [patent_app_number] => 15/524571 [patent_app_country] => US [patent_app_date] => 2015-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4043 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15524571 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/524571
Amide branched aromatic gelling agent breakers Nov 3, 2015 Issued
Array ( [id] => 17221931 [patent_doc_number] => 11174422 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Salt-free invert emulsions for use in subterranean formation operations [patent_app_type] => utility [patent_app_number] => 15/761794 [patent_app_country] => US [patent_app_date] => 2015-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7565 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 15761794 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/761794
Salt-free invert emulsions for use in subterranean formation operations Oct 26, 2015 Issued
Array ( [id] => 13428185 [patent_doc_number] => 20180265635 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => Silane-Functionalized Polyalkyleneimine Clay Stabilizer for Treatment of Subterranean Formations [patent_app_type] => utility [patent_app_number] => 15/762068 [patent_app_country] => US [patent_app_date] => 2015-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24231 [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] => 15762068 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/762068
Silane-functionalized polyalkyleneimine clay stabilizer for treatment of subterranean formations Oct 15, 2015 Issued
Array ( [id] => 11971816 [patent_doc_number] => 20170275971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'A METHOD AND A SYSTEM FOR EXTRACTING FLUIDS' [patent_app_type] => utility [patent_app_number] => 15/518562 [patent_app_country] => US [patent_app_date] => 2015-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3763 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15518562 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/518562
A METHOD AND A SYSTEM FOR EXTRACTING FLUIDS Oct 13, 2015 Abandoned
Array ( [id] => 11851914 [patent_doc_number] => 20170226407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-10 [patent_title] => 'COMPOSITION COMPRISING ULTRAFINE CELLULOSE FIBERS' [patent_app_type] => utility [patent_app_number] => 15/519229 [patent_app_country] => US [patent_app_date] => 2015-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 20946 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15519229 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/519229
Composition comprising ultrafine cellulose fibers Oct 12, 2015 Issued
Array ( [id] => 10649523 [patent_doc_number] => 09365762 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-06-14 [patent_title] => 'Copolymer of dimer acid-organic amine and shear strength improving agent of water in oil emulsion drilling fluid and drilling fluid' [patent_app_type] => utility [patent_app_number] => 14/878808 [patent_app_country] => US [patent_app_date] => 2015-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6932 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14878808 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/878808
Copolymer of dimer acid-organic amine and shear strength improving agent of water in oil emulsion drilling fluid and drilling fluid Oct 7, 2015 Issued
Array ( [id] => 11971371 [patent_doc_number] => 20170275525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'Methods To Make Ceramic Proppants' [patent_app_type] => utility [patent_app_number] => 15/514335 [patent_app_country] => US [patent_app_date] => 2015-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 11698 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15514335 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/514335
Methods To Make Ceramic Proppants Oct 4, 2015 Abandoned
Array ( [id] => 11528793 [patent_doc_number] => 20170088770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-30 [patent_title] => 'FRICTION REDUCERS AND WELL TREATMENT FLUIDS' [patent_app_type] => utility [patent_app_number] => 14/870951 [patent_app_country] => US [patent_app_date] => 2015-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 11670 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14870951 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/870951
Friction reducers and well treatment fluids Sep 29, 2015 Issued
Array ( [id] => 11979685 [patent_doc_number] => 20170283840 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'METHOD FOR PREPARING AN AQUEOUS ACRYLAMIDE SOLUTION HAVING A LOW ACRYLIC ACID CONCENTRATION' [patent_app_type] => utility [patent_app_number] => 15/514321 [patent_app_country] => US [patent_app_date] => 2015-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11294 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15514321 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/514321
Method for preparing an aqueous acrylamide solution having a low acrylic acid concentration Sep 29, 2015 Issued
Array ( [id] => 10769214 [patent_doc_number] => 20160115370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-28 [patent_title] => 'METALLIC NANOPARTICLE BIOCIDE IN INDUSTRIAL APPLICATIONS' [patent_app_type] => utility [patent_app_number] => 14/869455 [patent_app_country] => US [patent_app_date] => 2015-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6694 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14869455 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/869455
METALLIC NANOPARTICLE BIOCIDE IN INDUSTRIAL APPLICATIONS Sep 28, 2015 Abandoned
Array ( [id] => 11987911 [patent_doc_number] => 20170292066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-12 [patent_title] => 'Synthetic Acid Compositions Alternatives to Conventional Acids in the Oil and Gas Industry' [patent_app_type] => utility [patent_app_number] => 15/511856 [patent_app_country] => US [patent_app_date] => 2015-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4872 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15511856 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/511856
Synthetic Acid Compositions Alternatives to Conventional Acids in the Oil and Gas Industry Sep 28, 2015 Abandoned
Array ( [id] => 14665387 [patent_doc_number] => 10370584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-06 [patent_title] => Method for subterranean petroleum recovery using a surfactant blend [patent_app_type] => utility [patent_app_number] => 15/512863 [patent_app_country] => US [patent_app_date] => 2015-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5821 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15512863 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/512863
Method for subterranean petroleum recovery using a surfactant blend Sep 16, 2015 Issued
Array ( [id] => 13127675 [patent_doc_number] => 10081760 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-09-25 [patent_title] => Olefinic ester compositions and their use in stimulating hydrocarbon production from a subterranean formation [patent_app_type] => utility [patent_app_number] => 14/855018 [patent_app_country] => US [patent_app_date] => 2015-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 12914 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14855018 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/855018
Olefinic ester compositions and their use in stimulating hydrocarbon production from a subterranean formation Sep 14, 2015 Issued
Array ( [id] => 11499248 [patent_doc_number] => 20170073433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-16 [patent_title] => 'Processes to Produce Unpurified Polygalacturonic Acids from Plant Tissue Using Calcium Sequestering Compounds' [patent_app_type] => utility [patent_app_number] => 14/850162 [patent_app_country] => US [patent_app_date] => 2015-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10257 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14850162 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/850162
Processes to Produce Unpurified Polygalacturonic Acids from Plant Tissue Using Calcium Sequestering Compounds Sep 9, 2015 Abandoned
Array ( [id] => 15194171 [patent_doc_number] => 10494565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-03 [patent_title] => Well service fluid composition and method of using microemulsions as flowback aids [patent_app_type] => utility [patent_app_number] => 15/511987 [patent_app_country] => US [patent_app_date] => 2015-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4957 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15511987 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/511987
Well service fluid composition and method of using microemulsions as flowback aids Sep 8, 2015 Issued
Array ( [id] => 14199293 [patent_doc_number] => 10266743 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-23 [patent_title] => High-performance aqueous-phase polymer fluid for drilling well bores in low-gradient formations [patent_app_type] => utility [patent_app_number] => 15/509452 [patent_app_country] => US [patent_app_date] => 2015-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2510 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15509452 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/509452
High-performance aqueous-phase polymer fluid for drilling well bores in low-gradient formations Sep 7, 2015 Issued
Array ( [id] => 15785211 [patent_doc_number] => 10626313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-21 [patent_title] => Sol-gel modified particulates for wellbore fluids [patent_app_type] => utility [patent_app_number] => 15/745182 [patent_app_country] => US [patent_app_date] => 2015-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4065 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15745182 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/745182
Sol-gel modified particulates for wellbore fluids Aug 25, 2015 Issued
Array ( [id] => 13357635 [patent_doc_number] => 20180230357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => Cement Activator Composition for Treatment of Subterranean Formations [patent_app_type] => utility [patent_app_number] => 15/747695 [patent_app_country] => US [patent_app_date] => 2015-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22498 [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] => 15747695 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/747695
Cement activator composition for treatment of subterranean formations Aug 24, 2015 Issued
Array ( [id] => 10476313 [patent_doc_number] => 20150361330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-17 [patent_title] => 'ENVIRONMENTALLY FRIENDLY STIMULATION FLUIDS, PROCESSES TO CREATE WORMHOLES IN CARBONATE RESERVOIRS, AND PROCESSES TO REMOVE WELLBORE DAMAGE IN CARBONATE RESERVOIRS' [patent_app_type] => utility [patent_app_number] => 14/832042 [patent_app_country] => US [patent_app_date] => 2015-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 67 [patent_figures_cnt] => 67 [patent_no_of_words] => 13701 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14832042 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/832042
Environmentally friendly stimulation fluids, processes to create wormholes in carbonate reservoirs, and processes to remove wellbore damage in carbonate reservoirs Aug 20, 2015 Issued
Array ( [id] => 11936641 [patent_doc_number] => 20170240791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-24 [patent_title] => 'CURAUA FIBERS AS LOST-CIRCULATION MATERIALS AND FLUID-LOSS ADDITIVES IN WELLBORE FLUIDS' [patent_app_type] => utility [patent_app_number] => 15/114332 [patent_app_country] => US [patent_app_date] => 2015-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4113 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15114332 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/114332
Curaua fibers as lost-circulation materials and fluid-loss additives in wellbore fluids Jul 30, 2015 Issued
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