Search

Huan Hoang

Examiner (ID: 4311, Phone: (571)272-1779 , Office: P/2827 )

Most Active Art Unit
2827
Art Unit(s)
2511, 2827, 2154, 2818
Total Applications
3251
Issued Applications
3039
Pending Applications
108
Abandoned Applications
128

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20337019 [patent_doc_number] => 20250341139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => TWO-STAGE MULTI-OBJECTIVE OPTIMIZATION SCHEME FOR WELLBORE CLEANUP WITH AN EMISSIONS MEASURE [patent_app_type] => utility [patent_app_number] => 19/269326 [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] => 1103 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19269326 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/269326
TWO-STAGE MULTI-OBJECTIVE OPTIMIZATION SCHEME FOR WELLBORE CLEANUP WITH AN EMISSIONS MEASURE Jul 14, 2025 Pending
Array ( [id] => 20337018 [patent_doc_number] => 20250341138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => DEPTH ACTIVATED DOWNHOLE ADJUSTABLE BEND ASSEMBLIES [patent_app_type] => utility [patent_app_number] => 19/267015 [patent_app_country] => US [patent_app_date] => 2025-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14147 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19267015 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/267015
DEPTH ACTIVATED DOWNHOLE ADJUSTABLE BEND ASSEMBLIES Jul 10, 2025 Pending
Array ( [id] => 20295558 [patent_doc_number] => 20250320801 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => HYBRID HYDRAULIC FRACTURING FLEET [patent_app_type] => utility [patent_app_number] => 19/251288 [patent_app_country] => US [patent_app_date] => 2025-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1151 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19251288 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/251288
HYBRID HYDRAULIC FRACTURING FLEET Jun 25, 2025 Pending
Array ( [id] => 20233058 [patent_doc_number] => 20250290377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => COILED TUBING SYSTEMS AND METHODS FOR GEOTHERMAL WELLS [patent_app_type] => utility [patent_app_number] => 19/223345 [patent_app_country] => US [patent_app_date] => 2025-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19223345 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/223345
COILED TUBING SYSTEMS AND METHODS FOR GEOTHERMAL WELLS May 29, 2025 Pending
Array ( [id] => 20233093 [patent_doc_number] => 20250290412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => Method And Apparatus For Downhole Fluid Microsample Collection With Staged Hydraulic Actuation [patent_app_type] => utility [patent_app_number] => 19/222598 [patent_app_country] => US [patent_app_date] => 2025-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19222598 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/222598
Method And Apparatus For Downhole Fluid Microsample Collection With Staged Hydraulic Actuation May 28, 2025 Pending
Array ( [id] => 20233092 [patent_doc_number] => 20250290411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => METHOD AND APPARATUS FOR DOWNHOLE FLUID MICROSAMPLE COLLECTION WITH STAGED HYDRAULIC ACTUATION [patent_app_type] => utility [patent_app_number] => 19/221203 [patent_app_country] => US [patent_app_date] => 2025-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19221203 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/221203
METHOD AND APPARATUS FOR DOWNHOLE FLUID MICROSAMPLE COLLECTION WITH STAGED HYDRAULIC ACTUATION May 27, 2025 Pending
Array ( [id] => 20220453 [patent_doc_number] => 20250283384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => DOWNHOLE TOOL INCLUDING RELATED LUG SLOTS AND LUGS FOR COUPLING A MILLING TOOL AND WHIPSTOCK ASSEMBLY [patent_app_type] => utility [patent_app_number] => 19/215732 [patent_app_country] => US [patent_app_date] => 2025-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19215732 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/215732
DOWNHOLE TOOL INCLUDING RELATED LUG SLOTS AND LUGS FOR COUPLING A MILLING TOOL AND WHIPSTOCK ASSEMBLY May 21, 2025 Pending
Array ( [id] => 20207699 [patent_doc_number] => 20250277419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => TWO-PART DRILLING AND RUNNING TOOL INCLUDING A ONE WAY MECHANISM [patent_app_type] => utility [patent_app_number] => 19/210820 [patent_app_country] => US [patent_app_date] => 2025-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17673 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19210820 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/210820
TWO-PART DRILLING AND RUNNING TOOL INCLUDING A ONE WAY MECHANISM May 15, 2025 Pending
Array ( [id] => 20207720 [patent_doc_number] => 20250277440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => DOWNHOLE FRACTURING ZONE DATA LOGGER AND DOWNHOLE FRACTURING ZONE DATA ACQUISITION SYSTEM [patent_app_type] => utility [patent_app_number] => 19/209662 [patent_app_country] => US [patent_app_date] => 2025-05-15 [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] => -18 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19209662 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/209662
DOWNHOLE FRACTURING ZONE DATA LOGGER AND DOWNHOLE FRACTURING ZONE DATA ACQUISITION SYSTEM May 14, 2025 Pending
Array ( [id] => 20309743 [patent_doc_number] => 20250327372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => RECIRCULATION VALVE [patent_app_type] => utility [patent_app_number] => 19/177125 [patent_app_country] => US [patent_app_date] => 2025-04-11 [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] => -13 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19177125 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/177125
RECIRCULATION VALVE Apr 10, 2025 Pending
Array ( [id] => 20122105 [patent_doc_number] => 20250237136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => FLUID SEALING FOR DOWNHOLE ACOUSTIC MEASUREMENT TOOL [patent_app_type] => utility [patent_app_number] => 19/173883 [patent_app_country] => US [patent_app_date] => 2025-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19173883 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/173883
FLUID SEALING FOR DOWNHOLE ACOUSTIC MEASUREMENT TOOL Apr 8, 2025 Pending
Array ( [id] => 20220467 [patent_doc_number] => 20250283398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => Fracturing System [patent_app_type] => utility [patent_app_number] => 19/174670 [patent_app_country] => US [patent_app_date] => 2025-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5780 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19174670 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/174670
Fracturing System Apr 8, 2025 Pending
Array ( [id] => 20122094 [patent_doc_number] => 20250237125 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => APPARATUS AND METHOD FOR FRACKING OPTIMIZATION [patent_app_type] => utility [patent_app_number] => 19/173662 [patent_app_country] => US [patent_app_date] => 2025-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19173662 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/173662
APPARATUS AND METHOD FOR FRACKING OPTIMIZATION Apr 7, 2025 Pending
19/115319 SAMPLING PIPE OF A SAMPLING ARRANGEMENT Mar 25, 2025 Pending
Array ( [id] => 20085816 [patent_doc_number] => 20250215752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => Percussive Drill Bit [patent_app_type] => utility [patent_app_number] => 19/085289 [patent_app_country] => US [patent_app_date] => 2025-03-20 [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] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19085289 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/085289
Percussive Drill Bit Mar 19, 2025 Pending
Array ( [id] => 20100809 [patent_doc_number] => 20250230745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => INTRA-BOTTOM HOLE ASSEMBLY (BHA) WIRELESS COMMUNICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 19/067030 [patent_app_country] => US [patent_app_date] => 2025-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19067030 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/067030
INTRA-BOTTOM HOLE ASSEMBLY (BHA) WIRELESS COMMUNICATION SYSTEM Feb 27, 2025 Pending
Array ( [id] => 20194181 [patent_doc_number] => 20250270891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => CLOSED COMPARTMENT WELL TOOL FOR WELLHEAD RE-PACKING [patent_app_type] => utility [patent_app_number] => 19/064217 [patent_app_country] => US [patent_app_date] => 2025-02-26 [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] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19064217 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/064217
CLOSED COMPARTMENT WELL TOOL FOR WELLHEAD RE-PACKING Feb 25, 2025 Pending
Array ( [id] => 20402640 [patent_doc_number] => 12492611 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Methods and systems for a frac plug [patent_app_type] => utility [patent_app_number] => 19/062572 [patent_app_country] => US [patent_app_date] => 2025-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19062572 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/062572
Methods and systems for a frac plug Feb 24, 2025 Issued
Array ( [id] => 20060040 [patent_doc_number] => 20250198262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => REUSABLE PERFORATING GUN SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 19/055094 [patent_app_country] => US [patent_app_date] => 2025-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11442 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19055094 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/055094
REUSABLE PERFORATING GUN SYSTEM AND METHOD Feb 16, 2025 Pending
Array ( [id] => 19962134 [patent_doc_number] => 12331623 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-17 [patent_title] => Methods for diagnosing control effectiveness of fracture heights in hydraulic fracturing by combining monitoring pressure signals [patent_app_type] => utility [patent_app_number] => 19/051212 [patent_app_country] => US [patent_app_date] => 2025-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7141 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 618 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19051212 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/051212
Methods for diagnosing control effectiveness of fracture heights in hydraulic fracturing by combining monitoring pressure signals Feb 11, 2025 Issued
Menu