
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |