Search

Hong Sang

Examiner (ID: 14905, Phone: (571)272-8145 , Office: P/1643 )

Most Active Art Unit
1643
Art Unit(s)
1643, 1646
Total Applications
1304
Issued Applications
589
Pending Applications
135
Abandoned Applications
616

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18597899 [patent_doc_number] => 20230272698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => SYSTEMS AND METHODS FOR GENERATION OF HYDROGEN BY IN-SITU (SUBSURFACE) SERPENTINIZATION AND CARBONIZATION OF MAFIC OR ULTRAMAFIC ROCK [patent_app_type] => utility [patent_app_number] => 18/302708 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18302708 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302708
SYSTEMS AND METHODS FOR GENERATION OF HYDROGEN BY IN-SITU (SUBSURFACE) SERPENTINIZATION AND CARBONIZATION OF MAFIC OR ULTRAMAFIC ROCK Apr 17, 2023 Pending
Array ( [id] => 20158346 [patent_doc_number] => 12384958 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Compositions and methods for improving thermal and brine stability of nanoparticles [patent_app_type] => utility [patent_app_number] => 18/300625 [patent_app_country] => US [patent_app_date] => 2023-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 8675 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18300625 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/300625
Compositions and methods for improving thermal and brine stability of nanoparticles Apr 13, 2023 Issued
Array ( [id] => 20165587 [patent_doc_number] => 20250257633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => METHOD FOR OPERATING AN INSTALLATION FOR THE GEOLOGICAL SEQUESTRATION OF CARBON DIOXIDE IN AN AQUIFER RESERVOIR [patent_app_type] => utility [patent_app_number] => 18/856399 [patent_app_country] => US [patent_app_date] => 2023-04-14 [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] => -6 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18856399 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/856399
METHOD FOR OPERATING AN INSTALLATION FOR THE GEOLOGICAL SEQUESTRATION OF CARBON DIOXIDE IN AN AQUIFER RESERVOIR Apr 13, 2023 Pending
Array ( [id] => 18740131 [patent_doc_number] => 20230349107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => SUPERSTRUCTURE FOR A TRAFFIC SURFACE, METHOD OF MANUFACTURING THE SUPERSTRUCTURE [patent_app_type] => utility [patent_app_number] => 18/132998 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8094 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18132998 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/132998
SUPERSTRUCTURE FOR A TRAFFIC SURFACE, METHOD OF MANUFACTURING THE SUPERSTRUCTURE Apr 10, 2023 Pending
Array ( [id] => 19497813 [patent_doc_number] => 20240336831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => Liquid Suspension Composition for Wellbore Operations, and Methods of Making and Using Same [patent_app_type] => utility [patent_app_number] => 18/131124 [patent_app_country] => US [patent_app_date] => 2023-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17420 [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] => 18131124 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/131124
Liquid suspension composition for wellbore operations, and methods of making and using same Apr 4, 2023 Issued
Array ( [id] => 20321565 [patent_doc_number] => 20250333653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => METHOD FOR TREATING SHALE FORMATIONS USING CYCLIC STEAM INJECTION [patent_app_type] => utility [patent_app_number] => 18/295795 [patent_app_country] => US [patent_app_date] => 2023-04-04 [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] => -16 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18295795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/295795
METHOD FOR TREATING SHALE FORMATIONS USING CYCLIC STEAM INJECTION Apr 3, 2023 Abandoned
Array ( [id] => 19374065 [patent_doc_number] => 12065614 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-08-20 [patent_title] => Branched cellulose-based hydraulic fracturing fluid crosslinker [patent_app_type] => utility [patent_app_number] => 18/295059 [patent_app_country] => US [patent_app_date] => 2023-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6246 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18295059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/295059
Branched cellulose-based hydraulic fracturing fluid crosslinker Apr 2, 2023 Issued
Array ( [id] => 20116136 [patent_doc_number] => 12365827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Multicomponent nanocapsules for enhanced oil recovery [patent_app_type] => utility [patent_app_number] => 18/192251 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18192251 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/192251
Multicomponent nanocapsules for enhanced oil recovery Mar 28, 2023 Issued
Array ( [id] => 20357502 [patent_doc_number] => 12473486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Single-phase retarded acid based on a cationic surfactant [patent_app_type] => utility [patent_app_number] => 18/723901 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18723901 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/723901
Single-phase retarded acid based on a cationic surfactant Mar 22, 2023 Issued
Array ( [id] => 19464719 [patent_doc_number] => 20240318388 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => ASPHALT COMPACTOR STOP/START ASSIST [patent_app_type] => utility [patent_app_number] => 18/125021 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18125021 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/125021
ASPHALT COMPACTOR STOP/START ASSIST Mar 21, 2023 Pending
Array ( [id] => 20122381 [patent_doc_number] => 20250237412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => METHOD OF CREATING AND OPERATING A SUBTERRANEAN ENERGY STORAGE FIELD [patent_app_type] => utility [patent_app_number] => 18/849196 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18849196 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/849196
METHOD OF CREATING AND OPERATING A SUBTERRANEAN ENERGY STORAGE FIELD Mar 21, 2023 Pending
Array ( [id] => 20372611 [patent_doc_number] => 12480035 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Compositions and methods for utilizing ground calcium carbonate for consolidating carbonate rock formation [patent_app_type] => utility [patent_app_number] => 18/185104 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 186 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18185104 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/185104
Compositions and methods for utilizing ground calcium carbonate for consolidating carbonate rock formation Mar 15, 2023 Issued
Array ( [id] => 19227160 [patent_doc_number] => 12006794 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-11 [patent_title] => Thermochemical fluid injection to prevent cool front invasion in CO [patent_app_type] => utility [patent_app_number] => 18/180530 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 6048 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180530 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180530
Thermochemical fluid injection to prevent cool front invasion in CO Mar 7, 2023 Issued
Array ( [id] => 20058982 [patent_doc_number] => 20250197204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => Chemical Production Inside a Well Tubular/Casing [patent_app_type] => utility [patent_app_number] => 18/844951 [patent_app_country] => US [patent_app_date] => 2023-03-08 [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] => -18 [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] => 18844951 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/844951
Chemical Production Inside a Well Tubular/Casing Mar 7, 2023 Pending
Array ( [id] => 18837831 [patent_doc_number] => 11845894 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-19 [patent_title] => Method of recovering hydrocarbon from a reservoir using date leaf carbon nanoparticles [patent_app_type] => utility [patent_app_number] => 18/179847 [patent_app_country] => US [patent_app_date] => 2023-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 30 [patent_no_of_words] => 14089 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18179847 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/179847
Method of recovering hydrocarbon from a reservoir using date leaf carbon nanoparticles Mar 6, 2023 Issued
Array ( [id] => 19226843 [patent_doc_number] => 12006477 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Methods for improving heavy oils [patent_app_type] => utility [patent_app_number] => 18/116507 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 15976 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18116507 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116507
Methods for improving heavy oils Mar 1, 2023 Issued
Array ( [id] => 19404353 [patent_doc_number] => 20240287864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Well Abandonment And Severance Of Control Lines [patent_app_type] => utility [patent_app_number] => 18/115591 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18115591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/115591
Well abandonment and severance of control lines Feb 27, 2023 Issued
Array ( [id] => 18485129 [patent_doc_number] => 20230212454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => SYSTEM, METHOD AND COMPOSITION FOR FRACTURING A SUBTERRANEAN FORMATION [patent_app_type] => utility [patent_app_number] => 18/110692 [patent_app_country] => US [patent_app_date] => 2023-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 18110692 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/110692
SYSTEM, METHOD AND COMPOSITION FOR FRACTURING A SUBTERRANEAN FORMATION Feb 15, 2023 Abandoned
Array ( [id] => 18451840 [patent_doc_number] => 20230193119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => METHOD OF HYDRAULIC FRACTURING UTILIZING A HYDRAULIC FRACTURING FLUID WITH A SINGLE PHASE LIQUID PROPPANT [patent_app_type] => utility [patent_app_number] => 18/109082 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4677 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18109082 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109082
Method of hydraulic fracturing utilizing a hydraulic fracturing fluid with a single phase liquid proppant Feb 12, 2023 Issued
Array ( [id] => 19332749 [patent_doc_number] => 20240247179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => Curing Lost Circulation Of Water-Based Drilling Muds [patent_app_type] => utility [patent_app_number] => 18/101475 [patent_app_country] => US [patent_app_date] => 2023-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18101475 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/101475
Curing lost circulation of water-based drilling muds Jan 24, 2023 Issued
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