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] => 20407791 [patent_doc_number] => 20250376900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => DRILLING TOOL CHANGER APPARATUS [patent_app_type] => utility [patent_app_number] => 19/307805 [patent_app_country] => US [patent_app_date] => 2025-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 19307805 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/307805
DRILLING TOOL CHANGER APPARATUS Aug 21, 2025 Pending
Array ( [id] => 20321932 [patent_doc_number] => 20250334020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => WELLHEAD FLOW BLOCK AND FLOW CONTROL MECHANISMS [patent_app_type] => utility [patent_app_number] => 19/254591 [patent_app_country] => US [patent_app_date] => 2025-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19254591 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/254591
WELLHEAD FLOW BLOCK AND FLOW CONTROL MECHANISMS Jun 29, 2025 Pending
Array ( [id] => 20069249 [patent_doc_number] => 20250207471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => Subsea Wellhead Monitoring System [patent_app_type] => utility [patent_app_number] => 19/077962 [patent_app_country] => US [patent_app_date] => 2025-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4431 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19077962 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/077962
Subsea Wellhead Monitoring System Mar 11, 2025 Pending
Array ( [id] => 20194186 [patent_doc_number] => 20250270896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => SAFETY VALVE EMPLOYING RADIALLY COUPLED MAGNETIC TARGETS AND AN ELECTROMAGNET AXIALLY COUPLED TO A MAGNETIC TARGET [patent_app_type] => utility [patent_app_number] => 19/062547 [patent_app_country] => US [patent_app_date] => 2025-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9568 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19062547 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/062547
SAFETY VALVE EMPLOYING RADIALLY COUPLED MAGNETIC TARGETS AND AN ELECTROMAGNET AXIALLY COUPLED TO A MAGNETIC TARGET Feb 24, 2025 Pending
Array ( [id] => 20050590 [patent_doc_number] => 20250188812 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => MULTILINE RISER BIG BORE CONNECTOR [patent_app_type] => utility [patent_app_number] => 19/060159 [patent_app_country] => US [patent_app_date] => 2025-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19060159 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/060159
MULTILINE RISER BIG BORE CONNECTOR Feb 20, 2025 Pending
Array ( [id] => 20016636 [patent_doc_number] => 20250154858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => POWER SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 19/020977 [patent_app_country] => US [patent_app_date] => 2025-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19020977 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/020977
POWER SYSTEM AND METHOD Jan 13, 2025 Abandoned
Array ( [id] => 20085852 [patent_doc_number] => 20250215788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => OBTAINING DATA FROM A WELL [patent_app_type] => utility [patent_app_number] => 18/987666 [patent_app_country] => US [patent_app_date] => 2024-12-19 [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] => -16 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18987666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/987666
OBTAINING DATA FROM A WELL Dec 18, 2024 Pending
Array ( [id] => 19847404 [patent_doc_number] => 20250092755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => RISERLESS MARINE PACKAGE [patent_app_type] => utility [patent_app_number] => 18/959157 [patent_app_country] => US [patent_app_date] => 2024-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18079 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -46 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18959157 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/959157
Riserless marine package Nov 24, 2024 Issued
Array ( [id] => 19833244 [patent_doc_number] => 20250085030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => Fracturing Hot Rock [patent_app_type] => utility [patent_app_number] => 18/954900 [patent_app_country] => US [patent_app_date] => 2024-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18954900 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/954900
Fracturing Hot Rock Nov 20, 2024 Pending
Array ( [id] => 19801694 [patent_doc_number] => 20250067619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => FUEL, COMMUNICATIONS, AND POWER CONNECTION SYSTEMS AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 18/945139 [patent_app_country] => US [patent_app_date] => 2024-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18945139 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/945139
FUEL, COMMUNICATIONS, AND POWER CONNECTION SYSTEMS AND RELATED METHODS Nov 11, 2024 Pending
Array ( [id] => 20493102 [patent_doc_number] => 12534967 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => System and method for supporting risers from floating vessel [patent_app_type] => utility [patent_app_number] => 18/923469 [patent_app_country] => US [patent_app_date] => 2024-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 22 [patent_no_of_words] => 5607 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18923469 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/923469
System and method for supporting risers from floating vessel Oct 21, 2024 Issued
Array ( [id] => 20350347 [patent_doc_number] => 20250347199 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => METHOD FOR UNDERSEA IN-SITU EXPLOITATION OF NATURAL GAS HYDRATES [patent_app_type] => utility [patent_app_number] => 18/919482 [patent_app_country] => US [patent_app_date] => 2024-10-18 [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] => -6 [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] => 18919482 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/919482
METHOD FOR UNDERSEA IN-SITU EXPLOITATION OF NATURAL GAS HYDRATES Oct 17, 2024 Pending
Array ( [id] => 19999120 [patent_doc_number] => 20250137342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => WELLHEAD FLOW BLOCK AND FLOW CONTROL MECHANISMS [patent_app_type] => utility [patent_app_number] => 18/918532 [patent_app_country] => US [patent_app_date] => 2024-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18918532 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/918532
Wellhead flow block and flow control mechanisms Oct 16, 2024 Issued
Array ( [id] => 19999121 [patent_doc_number] => 20250137343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => WELLHEAD FLOW BLOCK AND FLOW CONTROL MECHANISMS [patent_app_type] => utility [patent_app_number] => 18/918584 [patent_app_country] => US [patent_app_date] => 2024-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18918584 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/918584
WELLHEAD FLOW BLOCK AND FLOW CONTROL MECHANISMS Oct 16, 2024 Pending
Array ( [id] => 20372954 [patent_doc_number] => 12480383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Geological carbon sequestration and hydrogen production structure and method based on the spontaneous reaction of water-CO [patent_app_type] => utility [patent_app_number] => 18/906158 [patent_app_country] => US [patent_app_date] => 2024-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18906158 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/906158
Geological carbon sequestration and hydrogen production structure and method based on the spontaneous reaction of water-CO Oct 2, 2024 Issued
Array ( [id] => 19817401 [patent_doc_number] => 20250075608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => ROBOTIC SYSTEMS AND ASSOCIATED AUTOMATED WELL COMPLETION OPERATIONS [patent_app_type] => utility [patent_app_number] => 18/817772 [patent_app_country] => US [patent_app_date] => 2024-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18817772 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/817772
ROBOTIC SYSTEMS AND ASSOCIATED AUTOMATED WELL COMPLETION OPERATIONS Aug 27, 2024 Pending
Array ( [id] => 19999118 [patent_doc_number] => 20250137340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => WELLHEAD FLOW BLOCK AND FLOW CONTROL MECHANISMS [patent_app_type] => utility [patent_app_number] => 18/797839 [patent_app_country] => US [patent_app_date] => 2024-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18797839 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/797839
Wellhead flow block and flow control mechanisms Aug 7, 2024 Issued
Array ( [id] => 20144515 [patent_doc_number] => 12378847 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Mobile offshore carbon capture and sequestration systems and methods using floating structure [patent_app_type] => utility [patent_app_number] => 18/780676 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6602 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18780676 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/780676
Mobile offshore carbon capture and sequestration systems and methods using floating structure Jul 22, 2024 Issued
Array ( [id] => 19724638 [patent_doc_number] => 20250027389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => BEARING-FREE SELF-POSITIONING PERFORATING GUN FOR WELLBORE OPERATIONS [patent_app_type] => utility [patent_app_number] => 18/774003 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18774003 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/774003
Bearing-free self-positioning perforating gun for wellbore operations Jul 15, 2024 Issued
Array ( [id] => 19709886 [patent_doc_number] => 20250020028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => Retrofit Vortex-Induced Vibration (VIV) Suppression Device [patent_app_type] => utility [patent_app_number] => 18/770864 [patent_app_country] => US [patent_app_date] => 2024-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2033 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18770864 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/770864
Retrofit Vortex-Induced Vibration (VIV) Suppression Device Jul 11, 2024 Pending
Menu