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] => 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
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