Search

Anna Chen Deng

Examiner (ID: 586, Phone: (571)272-5989 , Office: P/2191 )

Most Active Art Unit
2191
Art Unit(s)
2191, 2192
Total Applications
960
Issued Applications
851
Pending Applications
17
Abandoned Applications
94

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20227569 [patent_doc_number] => 12416213 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Pressure release system for well intervention [patent_app_type] => utility [patent_app_number] => 18/347941 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3691 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18347941 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/347941
Pressure release system for well intervention Jul 5, 2023 Issued
Array ( [id] => 19731475 [patent_doc_number] => 12209466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Biased lug cartridge, wear bushing with biased lug cartridge, and system and method using the same [patent_app_type] => utility [patent_app_number] => 18/341904 [patent_app_country] => US [patent_app_date] => 2023-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 9056 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18341904 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/341904
Biased lug cartridge, wear bushing with biased lug cartridge, and system and method using the same Jun 26, 2023 Issued
Array ( [id] => 20427084 [patent_doc_number] => 20250389172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => SYSTEMS AND METHODS FOR SUBSEA FLUID HANDLING [patent_app_type] => utility [patent_app_number] => 18/879372 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 968 [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] => 18879372 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/879372
SYSTEMS AND METHODS FOR SUBSEA FLUID HANDLING Jun 22, 2023 Pending
Array ( [id] => 20379283 [patent_doc_number] => 20250361776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => IMPROVING FATIGUE RESISTANCE OF STEEL CATENARY RISERS [patent_app_type] => utility [patent_app_number] => 18/876121 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1130 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 18876121 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/876121
IMPROVING FATIGUE RESISTANCE OF STEEL CATENARY RISERS Jun 20, 2023 Pending
Array ( [id] => 20321927 [patent_doc_number] => 20250334015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => Subsea Christmas Tree Comprising a Control and Battery Module and Related Method [patent_app_type] => utility [patent_app_number] => 18/875140 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1023 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18875140 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/875140
Subsea Christmas Tree Comprising a Control and Battery Module and Related Method Jun 19, 2023 Pending
Array ( [id] => 20129649 [patent_doc_number] => 12371953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Automatic small repair operation system for oil field [patent_app_type] => utility [patent_app_number] => 18/331907 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 40 [patent_no_of_words] => 20129 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 940 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18331907 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/331907
Automatic small repair operation system for oil field Jun 7, 2023 Issued
Array ( [id] => 20364650 [patent_doc_number] => 20250354462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => GUIDE ROD [patent_app_type] => utility [patent_app_number] => 18/874965 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1171 [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] => 18874965 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/874965
GUIDE ROD May 31, 2023 Pending
Array ( [id] => 18818138 [patent_doc_number] => 20230392478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => Partitioning High Pressure Pumps At A Well Site [patent_app_type] => utility [patent_app_number] => 18/327600 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327600 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327600
Partitioning High Pressure Pumps At A Well Site May 31, 2023 Abandoned
Array ( [id] => 19312070 [patent_doc_number] => 12037874 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-16 [patent_title] => Sleeve for multi-stage wellbore stimulation [patent_app_type] => utility [patent_app_number] => 18/323609 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6746 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/323609
Sleeve for multi-stage wellbore stimulation May 24, 2023 Issued
Array ( [id] => 20387027 [patent_doc_number] => 12486748 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Hybrid oilfield pumping system [patent_app_type] => utility [patent_app_number] => 18/307340 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5980 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307340 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307340
Hybrid oilfield pumping system Apr 25, 2023 Issued
Array ( [id] => 19242395 [patent_doc_number] => 12012818 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Nested lock screw [patent_app_type] => utility [patent_app_number] => 18/302581 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2465 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 18302581 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302581
Nested lock screw Apr 17, 2023 Issued
Array ( [id] => 19374845 [patent_doc_number] => 12066406 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-08-20 [patent_title] => Rotatable imaging sensor in a wellbore [patent_app_type] => utility [patent_app_number] => 18/132455 [patent_app_country] => US [patent_app_date] => 2023-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 8086 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18132455 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/132455
Rotatable imaging sensor in a wellbore Apr 9, 2023 Issued
Array ( [id] => 19480238 [patent_doc_number] => 20240328280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => AUTONOMOUS TUBING CASING ANNULUS RELIEF SYSTEM [patent_app_type] => utility [patent_app_number] => 18/192885 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6243 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18192885 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/192885
Autonomous tubing casing annulus relief system Mar 29, 2023 Issued
Array ( [id] => 18676014 [patent_doc_number] => 20230313638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => Adjustable Well Water Flow Valve Device [patent_app_type] => utility [patent_app_number] => 18/191279 [patent_app_country] => US [patent_app_date] => 2023-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18191279 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/191279
Adjustable well water flow valve device Mar 27, 2023 Issued
Array ( [id] => 18498039 [patent_doc_number] => 20230220739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => RIGLESS METHOD TO PARTIALLY LIFT OR RETRIEVE WELLBORE TUBING STRINGS FROM PLATFORM AND SUBSEA WELLS [patent_app_type] => utility [patent_app_number] => 18/177910 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4966 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18177910 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/177910
RIGLESS METHOD TO PARTIALLY LIFT OR RETRIEVE WELLBORE TUBING STRINGS FROM PLATFORM AND SUBSEA WELLS Mar 2, 2023 Abandoned
Array ( [id] => 18597897 [patent_doc_number] => 20230272696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => METHOD FOR DEEP-SEA EXTRACTION OF NATURAL GAS HYDRATES WITH RESERVOIR TOP CONTROL AND SAND PREVENTION [patent_app_type] => utility [patent_app_number] => 18/114300 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2902 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114300 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114300
METHOD FOR DEEP-SEA EXTRACTION OF NATURAL GAS HYDRATES WITH RESERVOIR TOP CONTROL AND SAND PREVENTION Feb 26, 2023 Abandoned
Array ( [id] => 19505463 [patent_doc_number] => 12116876 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Operation of a recirculation circuit for a fluid pump of a hydraulic fracturing system [patent_app_type] => utility [patent_app_number] => 18/168255 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6406 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18168255 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/168255
Operation of a recirculation circuit for a fluid pump of a hydraulic fracturing system Feb 12, 2023 Issued
Array ( [id] => 20264615 [patent_doc_number] => 12435594 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Bore selector [patent_app_type] => utility [patent_app_number] => 18/835876 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18835876 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/835876
Bore selector Feb 5, 2023 Issued
Array ( [id] => 19948855 [patent_doc_number] => 12320208 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Hands-free gooseneck and hands-free gooseneck flow spool [patent_app_type] => utility [patent_app_number] => 18/104633 [patent_app_country] => US [patent_app_date] => 2023-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 23 [patent_no_of_words] => 1040 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18104633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/104633
Hands-free gooseneck and hands-free gooseneck flow spool Jan 31, 2023 Issued
Array ( [id] => 19345898 [patent_doc_number] => 20240254861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => ANNULUS ACTIVATED DRAIN VALVE, METHOD AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/162216 [patent_app_country] => US [patent_app_date] => 2023-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2181 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18162216 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/162216
ANNULUS ACTIVATED DRAIN VALVE, METHOD AND SYSTEM Jan 30, 2023 Abandoned
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