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] => 20008164 [patent_doc_number] => 20250146386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => METHODS FOR MANAGING PRESSURE BUILDUP WITHIN SUBSEA PRODUCTION EQUIPMENT USING COMPRESSIBLE PARTICLES [patent_app_type] => utility [patent_app_number] => 18/837167 [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] => 6817 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18837167 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/837167
METHODS FOR MANAGING PRESSURE BUILDUP WITHIN SUBSEA PRODUCTION EQUIPMENT USING COMPRESSIBLE PARTICLES Jan 30, 2023 Pending
Array ( [id] => 20173487 [patent_doc_number] => 12392221 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Controlling fluid flows in a multi-wellbore well system with a surface controlled formation isolation valve [patent_app_type] => utility [patent_app_number] => 18/103797 [patent_app_country] => US [patent_app_date] => 2023-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18103797 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/103797
Controlling fluid flows in a multi-wellbore well system with a surface controlled formation isolation valve Jan 30, 2023 Issued
Array ( [id] => 19345890 [patent_doc_number] => 20240254853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => GAS INJECTION OPERATIONAL SAFETY FOR SUBTERRANEAN WELLS [patent_app_type] => utility [patent_app_number] => 18/161295 [patent_app_country] => US [patent_app_date] => 2023-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18161295 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/161295
Gas injection operational safety for subterranean wells Jan 29, 2023 Issued
Array ( [id] => 19181483 [patent_doc_number] => 11988067 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-21 [patent_title] => Frangible disk sub, method and system [patent_app_type] => utility [patent_app_number] => 18/160617 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2642 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18160617 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/160617
Frangible disk sub, method and system Jan 26, 2023 Issued
Array ( [id] => 19770706 [patent_doc_number] => 20250052132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => ARRANGEMENT FOR PREVENTING COLLECTION OF DEBRIS AND CUTTINGS ON THE TOP OF A RISER CLOSURE DEVICE [patent_app_type] => utility [patent_app_number] => 18/723749 [patent_app_country] => US [patent_app_date] => 2023-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4402 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18723749 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/723749
ARRANGEMENT FOR PREVENTING COLLECTION OF DEBRIS AND CUTTINGS ON THE TOP OF A RISER CLOSURE DEVICE Jan 25, 2023 Pending
Array ( [id] => 19826683 [patent_doc_number] => 12247452 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Systems for reducing fluid hammer in subsea systems [patent_app_type] => utility [patent_app_number] => 18/088993 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6267 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18088993 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/088993
Systems for reducing fluid hammer in subsea systems Dec 26, 2022 Issued
Array ( [id] => 19615627 [patent_doc_number] => 20240401307 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => WORKING MACHINE [patent_app_type] => utility [patent_app_number] => 18/690281 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18690281 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/690281
WORKING MACHINE Dec 22, 2022 Pending
Array ( [id] => 18718434 [patent_doc_number] => 11795770 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Tool trap system [patent_app_type] => utility [patent_app_number] => 18/069764 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4613 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18069764 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/069764
Tool trap system Dec 20, 2022 Issued
Array ( [id] => 18452454 [patent_doc_number] => 20230193733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => HIGH PRESSURE ABRASIVE FLUID INJECTION [patent_app_type] => utility [patent_app_number] => 18/083250 [patent_app_country] => US [patent_app_date] => 2022-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18083250 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/083250
High pressure abrasive fluid injection Dec 15, 2022 Issued
Array ( [id] => 18818132 [patent_doc_number] => 20230392472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => METHOD OF REDUCING SURGE WHEN RUNNING CASING [patent_app_type] => utility [patent_app_number] => 18/082102 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18082102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/082102
Apparatus and method of reducing surge when running casing Dec 14, 2022 Issued
Array ( [id] => 19643553 [patent_doc_number] => 20240418073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => CONTROL SYSTEM AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/706684 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3542 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18706684 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/706684
CONTROL SYSTEM AND CONTROL METHOD Nov 28, 2022 Abandoned
Array ( [id] => 19904963 [patent_doc_number] => 12281964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Fuel, communications, and power connection systems and related methods [patent_app_type] => utility [patent_app_number] => 17/993375 [patent_app_country] => US [patent_app_date] => 2022-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 12849 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17993375 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/993375
Fuel, communications, and power connection systems and related methods Nov 22, 2022 Issued
Array ( [id] => 20078101 [patent_doc_number] => 12352157 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => In-riser tool operation monitored and verified through ROV [patent_app_type] => utility [patent_app_number] => 18/056871 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18056871 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/056871
In-riser tool operation monitored and verified through ROV Nov 17, 2022 Issued
Array ( [id] => 18420887 [patent_doc_number] => 20230175350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => ANNULAR FLOW LUBRICATOR METHOD AND APPARATUS [patent_app_type] => utility [patent_app_number] => 17/987428 [patent_app_country] => US [patent_app_date] => 2022-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3774 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17987428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/987428
Annular flow lubricator method and apparatus Nov 14, 2022 Issued
Array ( [id] => 19158424 [patent_doc_number] => 20240151131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => Well Bore To Oceanic Diversion Of A Gas Entrainment With Prevention And Restoration About A Well Blow Out [patent_app_type] => utility [patent_app_number] => 17/803746 [patent_app_country] => US [patent_app_date] => 2022-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17803746 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/803746
Well Bore To Oceanic Diversion Of A Gas Entrainment With Prevention And Restoration About A Well Blow Out Nov 3, 2022 Pending
Array ( [id] => 19432775 [patent_doc_number] => 20240301273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => NITROGEN-CARBON DIOXIDE MIXED GAS JETTING APPARATUS FOR HORIZONTAL WELL AND EXPLOITATION METHOD [patent_app_type] => utility [patent_app_number] => 18/578322 [patent_app_country] => US [patent_app_date] => 2022-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18578322 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/578322
Nitrogen-carbon dioxide mixed gas jetting apparatus for horizontal well and exploitation method Oct 26, 2022 Issued
Array ( [id] => 18338220 [patent_doc_number] => 20230130169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => Fracturing Hot Rock [patent_app_type] => utility [patent_app_number] => 17/970845 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17970845 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/970845
Fracturing hot rock Oct 20, 2022 Issued
Array ( [id] => 18225976 [patent_doc_number] => 20230064970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => POWER SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/969617 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21558 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17969617 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/969617
Power system and method Oct 18, 2022 Issued
Array ( [id] => 20134190 [patent_doc_number] => 20250241234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => Seed Delivery Device Comprising a Helical Channel and Related Row Units and Method [patent_app_type] => utility [patent_app_number] => 18/701672 [patent_app_country] => US [patent_app_date] => 2022-10-19 [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] => -9 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18701672 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/701672
Seed Delivery Device Comprising a Helical Channel and Related Row Units and Method Oct 18, 2022 Pending
Array ( [id] => 19113471 [patent_doc_number] => 20240125221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => FRAC ENABLED WEAR BUSHING FOR TUBING HEAD SPOOL [patent_app_type] => utility [patent_app_number] => 17/966367 [patent_app_country] => US [patent_app_date] => 2022-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17966367 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/966367
Frac enabled wear bushing for tubing head spool Oct 13, 2022 Issued
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