
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] => 19441688
[patent_doc_number] => 12091933
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-09-17
[patent_title] => Annular flow lubricator method and apparatus
[patent_app_type] => utility
[patent_app_number] => 18/505891
[patent_app_country] => US
[patent_app_date] => 2023-11-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 23
[patent_figures_cnt] => 28
[patent_no_of_words] => 3791
[patent_no_of_claims] => 36
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 309
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505891
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/505891 | Annular flow lubricator method and apparatus | Nov 8, 2023 | Issued |
Array
(
[id] => 19158408
[patent_doc_number] => 20240151115
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-09
[patent_title] => FLEXIBLE LINEAR ACCESSIBLE CONTROLS SUBSEA
[patent_app_type] => utility
[patent_app_number] => 18/499695
[patent_app_country] => US
[patent_app_date] => 2023-11-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5232
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 65
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499695
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/499695 | Flexible linear accessible controls subsea | Oct 31, 2023 | Issued |
Array
(
[id] => 19458127
[patent_doc_number] => 12098609
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2024-09-24
[patent_title] => Wellhead flow block and flow control mechanisms
[patent_app_type] => utility
[patent_app_number] => 18/497590
[patent_app_country] => US
[patent_app_date] => 2023-10-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 26
[patent_no_of_words] => 8110
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 221
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18497590
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/497590 | Wellhead flow block and flow control mechanisms | Oct 29, 2023 | Issued |
Array
(
[id] => 19809941
[patent_doc_number] => 12241315
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-03-04
[patent_title] => Multiline riser big bore connector
[patent_app_type] => utility
[patent_app_number] => 18/492244
[patent_app_country] => US
[patent_app_date] => 2023-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3888
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 196
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18492244
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/492244 | Multiline riser big bore connector | Oct 22, 2023 | Issued |
Array
(
[id] => 19809941
[patent_doc_number] => 12241315
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-03-04
[patent_title] => Multiline riser big bore connector
[patent_app_type] => utility
[patent_app_number] => 18/492244
[patent_app_country] => US
[patent_app_date] => 2023-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3888
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 196
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18492244
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/492244 | Multiline riser big bore connector | Oct 22, 2023 | Issued |
Array
(
[id] => 19992122
[patent_doc_number] => 20250130344
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-04-24
[patent_title] => CEMENT VALIDATION BY DOWNHOLE ULTRASONIC MEASUREMENTS
[patent_app_type] => utility
[patent_app_number] => 18/492599
[patent_app_country] => US
[patent_app_date] => 2023-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1183
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 99
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18492599
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/492599 | CEMENT VALIDATION BY DOWNHOLE ULTRASONIC MEASUREMENTS | Oct 22, 2023 | Pending |
Array
(
[id] => 19809953
[patent_doc_number] => 12241327
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2025-03-04
[patent_title] => Advanced welltracker deployment capsule for oil and gas wells
[patent_app_type] => utility
[patent_app_number] => 18/490389
[patent_app_country] => US
[patent_app_date] => 2023-10-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 12
[patent_no_of_words] => 5137
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 170
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18490389
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/490389 | Advanced welltracker deployment capsule for oil and gas wells | Oct 18, 2023 | Issued |
Array
(
[id] => 19948890
[patent_doc_number] => 12320243
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-06-03
[patent_title] => System and method for valve greasing in a well tree
[patent_app_type] => utility
[patent_app_number] => 18/489207
[patent_app_country] => US
[patent_app_date] => 2023-10-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 22
[patent_no_of_words] => 0
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 156
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18489207
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/489207 | System and method for valve greasing in a well tree | Oct 17, 2023 | Issued |
Array
(
[id] => 19474370
[patent_doc_number] => 12104448
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2024-10-01
[patent_title] => Grease-retaining frac valve seat insert
[patent_app_type] => utility
[patent_app_number] => 18/483171
[patent_app_country] => US
[patent_app_date] => 2023-10-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 20
[patent_no_of_words] => 3996
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[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] => 18483171
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/483171 | Grease-retaining frac valve seat insert | Oct 8, 2023 | Issued |
Array
(
[id] => 19098466
[patent_doc_number] => 20240117694
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-04-11
[patent_title] => DOWNHOLE TOOL INCLUDING A LOCKING DOG
[patent_app_type] => utility
[patent_app_number] => 18/481644
[patent_app_country] => US
[patent_app_date] => 2023-10-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 23703
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 167
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481644
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/481644 | DOWNHOLE TOOL INCLUDING A LOCKING DOG | Oct 4, 2023 | Pending |
Array
(
[id] => 19098461
[patent_doc_number] => 20240117689
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-04-11
[patent_title] => PULL-IN SYSTEM AND METHOD OF KEELHAULING RIGID RISERS USING A DEFLECTOR DEVICE AND DOUBLE LAYER SUPPORT TUBE
[patent_app_type] => utility
[patent_app_number] => 18/480399
[patent_app_country] => US
[patent_app_date] => 2023-10-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4632
[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] => 18480399
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/480399 | Pull-in system and method of keelhauling rigid risers using a deflector device and double layer support tube | Oct 2, 2023 | Issued |
Array
(
[id] => 19778974
[patent_doc_number] => 12227998
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2025-02-18
[patent_title] => Multi-purpose compensator system
[patent_app_type] => utility
[patent_app_number] => 18/477143
[patent_app_country] => US
[patent_app_date] => 2023-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 17
[patent_no_of_words] => 3634
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 216
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18477143
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/477143 | Multi-purpose compensator system | Sep 27, 2023 | Issued |
Array
(
[id] => 19067949
[patent_doc_number] => 20240102375
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-28
[patent_title] => CIVIL ENGINEERING MACHINE AND METHOD FOR CREATING A FOUNDATION IN THE GROUND
[patent_app_type] => utility
[patent_app_number] => 18/472379
[patent_app_country] => US
[patent_app_date] => 2023-09-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3718
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 129
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18472379
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/472379 | CIVIL ENGINEERING MACHINE AND METHOD FOR CREATING A FOUNDATION IN THE GROUND | Sep 21, 2023 | Pending |
Array
(
[id] => 20288910
[patent_doc_number] => 20250314153
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-10-09
[patent_title] => MULTICYCLE VALVE SYSTEM
[patent_app_type] => utility
[patent_app_number] => 19/107582
[patent_app_country] => US
[patent_app_date] => 2023-09-08
[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] => 91
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19107582
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/107582 | MULTICYCLE VALVE SYSTEM | Sep 7, 2023 | Pending |
Array
(
[id] => 19817374
[patent_doc_number] => 20250075581
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-03-06
[patent_title] => GROUND-LEVEL PLUG AND PERF BALL DROP TOOL
[patent_app_type] => utility
[patent_app_number] => 18/459761
[patent_app_country] => US
[patent_app_date] => 2023-09-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4165
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 100
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18459761
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/459761 | Ground-level plug and perf ball drop tool | Aug 31, 2023 | Issued |
Array
(
[id] => 19121423
[patent_doc_number] => 11965394
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2024-04-23
[patent_title] => Subsea test tree fast ball actuation with low pressure pump through capability
[patent_app_type] => utility
[patent_app_number] => 18/238105
[patent_app_country] => US
[patent_app_date] => 2023-08-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 9
[patent_no_of_words] => 10904
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 4
[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] => 18238105
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/238105 | Subsea test tree fast ball actuation with low pressure pump through capability | Aug 24, 2023 | Issued |
Array
(
[id] => 18988426
[patent_doc_number] => 20240060395
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-22
[patent_title] => RETRIEVABLE GUIDE FUNNEL AND CONNECTION SYSTEM UTILIZING THE SAME
[patent_app_type] => utility
[patent_app_number] => 18/236881
[patent_app_country] => US
[patent_app_date] => 2023-08-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2794
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -12
[patent_words_short_claim] => 62
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18236881
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/236881 | RETRIEVABLE GUIDE FUNNEL AND CONNECTION SYSTEM UTILIZING THE SAME | Aug 21, 2023 | Pending |
Array
(
[id] => 18903357
[patent_doc_number] => 20240018842
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-01-18
[patent_title] => EROSION CONTROL SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/366755
[patent_app_country] => US
[patent_app_date] => 2023-08-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4915
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 147
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18366755
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/366755 | EROSION CONTROL SYSTEM | Aug 7, 2023 | Abandoned |
Array
(
[id] => 19004230
[patent_doc_number] => 20240068301
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-29
[patent_title] => INTERVENTIONLESS METHODS AND SYSTEMS FOR TESTING A LINER TOP
[patent_app_type] => utility
[patent_app_number] => 18/230811
[patent_app_country] => US
[patent_app_date] => 2023-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5282
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -25
[patent_words_short_claim] => 107
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18230811
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/230811 | Interventionless methods and systems for testing a liner top | Aug 6, 2023 | Issued |
Array
(
[id] => 19004248
[patent_doc_number] => 20240068319
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-29
[patent_title] => Subsea Wellhead Monitoring System
[patent_app_type] => utility
[patent_app_number] => 18/229080
[patent_app_country] => US
[patent_app_date] => 2023-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10069
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 168
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18229080
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/229080 | Subsea wellhead monitoring system | Jul 31, 2023 | Issued |