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
19/479463 Nanomodified Polymer with Cement Hydration-Matching Polymerization Kinetics to Modify Cement for Wellbore Applications and Methods of Makin Oct 27, 2025 Pending
Array ( [id] => 20459531 [patent_doc_number] => 20260008954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => SINGLE-PHASE RETARDED ACID SYSTEMS USING AMINO ACIDS [patent_app_type] => utility [patent_app_number] => 19/328466 [patent_app_country] => US [patent_app_date] => 2025-09-15 [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] => -19 [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] => 19328466 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/328466
SINGLE-PHASE RETARDED ACID SYSTEMS USING AMINO ACIDS Sep 14, 2025 Pending
Array ( [id] => 20350338 [patent_doc_number] => 20250347190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => WELL ABANDONMENT AND SEVERANCE OF CONTROL LINES [patent_app_type] => utility [patent_app_number] => 19/276290 [patent_app_country] => US [patent_app_date] => 2025-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19276290 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/276290
WELL ABANDONMENT AND SEVERANCE OF CONTROL LINES Jul 21, 2025 Pending
Array ( [id] => 20336655 [patent_doc_number] => 20250340775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => COMPOSITIONS AND METHODS FOR IMPROVING THERMAL AND BRINE STABILITY OF NANOPARTICLES [patent_app_type] => utility [patent_app_number] => 19/269899 [patent_app_country] => US [patent_app_date] => 2025-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8687 [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] => 19269899 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/269899
COMPOSITIONS AND METHODS FOR IMPROVING THERMAL AND BRINE STABILITY OF NANOPARTICLES Jul 14, 2025 Pending
Array ( [id] => 20420775 [patent_doc_number] => 20250382860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => COMPOSITIONS AND METHODS FOR TREATING UNCONVENTIONAL SUBTERRANEAN FORMATIONS [patent_app_type] => utility [patent_app_number] => 19/237858 [patent_app_country] => US [patent_app_date] => 2025-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30884 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19237858 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/237858
COMPOSITIONS AND METHODS FOR TREATING UNCONVENTIONAL SUBTERRANEAN FORMATIONS Jun 12, 2025 Pending
Array ( [id] => 20233076 [patent_doc_number] => 20250290395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => WATERFLOODING SYSTEM AND PROCESS TO PREVENT SCALE PRECIPITATION IN OIL FIELDS [patent_app_type] => utility [patent_app_number] => 19/227001 [patent_app_country] => US [patent_app_date] => 2025-06-03 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19227001 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/227001
WATERFLOODING SYSTEM AND PROCESS TO PREVENT SCALE PRECIPITATION IN OIL FIELDS Jun 2, 2025 Pending
Array ( [id] => 20393839 [patent_doc_number] => 20250369314 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => SYSTEM AND METHOD FOR INJECTING A GAS INTO A SUBSURFACE GEOTHERMAL FORMATION [patent_app_type] => utility [patent_app_number] => 19/226395 [patent_app_country] => US [patent_app_date] => 2025-06-03 [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] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19226395 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/226395
SYSTEM AND METHOD FOR INJECTING A GAS INTO A SUBSURFACE GEOTHERMAL FORMATION Jun 2, 2025 Pending
Array ( [id] => 20220466 [patent_doc_number] => 20250283397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => METHOD FOR WELL STIMULATION USING NANOBUBBLES [patent_app_type] => utility [patent_app_number] => 19/214877 [patent_app_country] => US [patent_app_date] => 2025-05-21 [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] => -15 [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] => 19214877 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/214877
METHOD FOR WELL STIMULATION USING NANOBUBBLES May 20, 2025 Pending
Array ( [id] => 20364644 [patent_doc_number] => 20250354456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => SYSTEM AND METHOD TO FRACTURE AND SEAL SUBTERRANEAN FORMATIONS [patent_app_type] => utility [patent_app_number] => 19/205646 [patent_app_country] => US [patent_app_date] => 2025-05-12 [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] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19205646 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/205646
SYSTEM AND METHOD TO FRACTURE AND SEAL SUBTERRANEAN FORMATIONS May 11, 2025 Pending
Array ( [id] => 20136695 [patent_doc_number] => 20250243739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => Systems and Methods of Initiating Energetic Reactions for Reservoir Stimulation [patent_app_type] => utility [patent_app_number] => 19/184782 [patent_app_country] => US [patent_app_date] => 2025-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 19184782 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/184782
Systems and methods of initiating energetic reactions for reservoir stimulation Apr 20, 2025 Issued
Array ( [id] => 20136357 [patent_doc_number] => 20250243401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => FOAMED ACID SYSTEM STABILIZED BY TWO DIMENSIONAL-GRAPHENE AND SURFACTANT COMPOSITE FOR FRACTURING APPLICATION [patent_app_type] => utility [patent_app_number] => 19/182861 [patent_app_country] => US [patent_app_date] => 2025-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 19182861 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/182861
FOAMED ACID SYSTEM STABILIZED BY TWO DIMENSIONAL-GRAPHENE AND SURFACTANT COMPOSITE FOR FRACTURING APPLICATION Apr 17, 2025 Pending
Array ( [id] => 20594157 [patent_doc_number] => 12577863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Breakthrough detection for lithium bearing reservoirs [patent_app_type] => utility [patent_app_number] => 19/174083 [patent_app_country] => US [patent_app_date] => 2025-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 5504 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19174083 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/174083
Breakthrough detection for lithium bearing reservoirs Apr 8, 2025 Issued
Array ( [id] => 20536260 [patent_doc_number] => 12553327 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Method for single-stage treatment of siliceous subterranean formations [patent_app_type] => utility [patent_app_number] => 19/171816 [patent_app_country] => US [patent_app_date] => 2025-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19171816 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/171816
Method for single-stage treatment of siliceous subterranean formations Apr 6, 2025 Issued
Array ( [id] => 20288499 [patent_doc_number] => 20250313742 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => REMOVAL OF HAZARDOUS CHEMICALS DURING DRILLING IN HYDROCARBON FORMATIONS [patent_app_type] => utility [patent_app_number] => 19/169781 [patent_app_country] => US [patent_app_date] => 2025-04-03 [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] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19169781 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/169781
REMOVAL OF HAZARDOUS CHEMICALS DURING DRILLING IN HYDROCARBON FORMATIONS Apr 2, 2025 Pending
Array ( [id] => 20165592 [patent_doc_number] => 20250257638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => SELF-CORRECTING FLOW IN SUBSURFACE WELLS [patent_app_type] => utility [patent_app_number] => 19/098183 [patent_app_country] => US [patent_app_date] => 2025-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2435 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19098183 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/098183
SELF-CORRECTING FLOW IN SUBSURFACE WELLS Apr 1, 2025 Pending
Array ( [id] => 20280155 [patent_doc_number] => 20250305397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => COMPOSITIONS AND METHODS FOR CONTROLLING ASPHALTENE DEPOSITION [patent_app_type] => utility [patent_app_number] => 19/095272 [patent_app_country] => US [patent_app_date] => 2025-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5929 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19095272 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/095272
COMPOSITIONS AND METHODS FOR CONTROLLING ASPHALTENE DEPOSITION Mar 30, 2025 Pending
Array ( [id] => 20248668 [patent_doc_number] => 20250297537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => CONTINUOUS CARBON DIOXIDE INJECTION DURING ZIPPER HYDRAULIC FRACTURING OPERATIONS [patent_app_type] => utility [patent_app_number] => 19/072227 [patent_app_country] => US [patent_app_date] => 2025-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2510 [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] => 19072227 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/072227
CONTINUOUS CARBON DIOXIDE INJECTION DURING ZIPPER HYDRAULIC FRACTURING OPERATIONS Mar 5, 2025 Pending
Array ( [id] => 20059488 [patent_doc_number] => 20250197710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => LOW-DENSITY HOLLOW GLASS BEAD (HGB) FLUIDS FOR WELLBORE DRILLING, COMPLETION, AND WORKOVER OPERATIONS [patent_app_type] => utility [patent_app_number] => 19/072236 [patent_app_country] => US [patent_app_date] => 2025-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14164 [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] => 19072236 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/072236
LOW-DENSITY HOLLOW GLASS BEAD (HGB) FLUIDS FOR WELLBORE DRILLING, COMPLETION, AND WORKOVER OPERATIONS Mar 5, 2025 Pending
Array ( [id] => 20219620 [patent_doc_number] => 20250282551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => SYSTEM AND METHOD TO STORE FLUID UNDERGROUND [patent_app_type] => utility [patent_app_number] => 19/071613 [patent_app_country] => US [patent_app_date] => 2025-03-05 [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] => -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] => 19071613 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/071613
SYSTEM AND METHOD TO STORE FLUID UNDERGROUND Mar 4, 2025 Pending
Array ( [id] => 20060046 [patent_doc_number] => 20250198268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => METHODS OF TREATMENT OF SUBTERRANEAN FORMATION WITH POLYMERIC STRUCTURES FORMED IN SITU [patent_app_type] => utility [patent_app_number] => 19/045262 [patent_app_country] => US [patent_app_date] => 2025-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 19045262 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/045262
METHODS OF TREATMENT OF SUBTERRANEAN FORMATION WITH POLYMERIC STRUCTURES FORMED IN SITU Feb 3, 2025 Pending
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