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] => 19354582 [patent_doc_number] => 12055013 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Float valve producing turbulent flow for wet shoe track [patent_app_type] => utility [patent_app_number] => 18/030857 [patent_app_country] => US [patent_app_date] => 2021-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 17 [patent_no_of_words] => 4378 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18030857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/030857
Float valve producing turbulent flow for wet shoe track Sep 27, 2021 Issued
Array ( [id] => 18786700 [patent_doc_number] => 20230374870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => POLYVALENT RISER BALCONY [patent_app_type] => utility [patent_app_number] => 18/029498 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18029498 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/029498
Polyvalent riser balcony Sep 20, 2021 Issued
Array ( [id] => 19292054 [patent_doc_number] => 12031403 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Automatic choking hydraulic shock reduction valve [patent_app_type] => utility [patent_app_number] => 17/468077 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4450 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17468077 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/468077
Automatic choking hydraulic shock reduction valve Sep 6, 2021 Issued
Array ( [id] => 18230469 [patent_doc_number] => 20230069463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => RISER COLLET CONNECTOR SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/459025 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4417 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17459025 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/459025
Riser collet connector systems and methods Aug 26, 2021 Issued
Array ( [id] => 17275434 [patent_doc_number] => 20210381632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => JOINT RESTRAINT DEVICE [patent_app_type] => utility [patent_app_number] => 17/409945 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17946 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17409945 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/409945
Joint restraint device Aug 23, 2021 Issued
Array ( [id] => 18658383 [patent_doc_number] => 20230304378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => FLAPPER VALVE FOR PERCUSSION DRILL TOOLS [patent_app_type] => utility [patent_app_number] => 18/020779 [patent_app_country] => US [patent_app_date] => 2021-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18020779 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020779
Flapper valve for percussion drill tools Aug 17, 2021 Issued
Array ( [id] => 18169766 [patent_doc_number] => 20230036377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => Method for producing extra force and reduced hydraulic supply for shearing pipe [patent_app_type] => utility [patent_app_number] => 17/386817 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2893 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17386817 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/386817
Method for producing extra force and reduced hydraulic supply for shearing pipe Jul 27, 2021 Abandoned
Array ( [id] => 18560228 [patent_doc_number] => 11725464 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Drilling riser connector [patent_app_type] => utility [patent_app_number] => 17/386833 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 3170 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17386833 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/386833
Drilling riser connector Jul 27, 2021 Issued
Array ( [id] => 18163708 [patent_doc_number] => 20230030302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => Method for shearing pipe and providing a compression seal [patent_app_type] => utility [patent_app_number] => 17/386415 [patent_app_country] => US [patent_app_date] => 2021-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2511 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17386415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/386415
Method for shearing pipe and providing a compression seal Jul 26, 2021 Abandoned
Array ( [id] => 18980920 [patent_doc_number] => 11906082 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Joint restraint device [patent_app_type] => utility [patent_app_number] => 17/361915 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 39 [patent_no_of_words] => 22626 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17361915 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/361915
Joint restraint device Jun 28, 2021 Issued
Array ( [id] => 17370682 [patent_doc_number] => 20220025734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => MANDRIL ASSEMBLY FOR CHEMICAL INJECTION IN OIL WELLS [patent_app_type] => utility [patent_app_number] => 17/354226 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17354226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/354226
Mandril assembly for chemical injection in oil wells Jun 21, 2021 Issued
Array ( [id] => 18685682 [patent_doc_number] => 11781407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Multi stage chemical injection [patent_app_type] => utility [patent_app_number] => 17/354766 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5730 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17354766 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/354766
Multi stage chemical injection Jun 21, 2021 Issued
Array ( [id] => 17082734 [patent_doc_number] => 20210277740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => FRACTURING SYSTEM WITH FLUID CONDUIT HAVING COMMUNICATION LINE [patent_app_type] => utility [patent_app_number] => 17/327864 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17327864 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/327864
Fracturing system with fluid conduit having communication line May 23, 2021 Issued
Array ( [id] => 18511973 [patent_doc_number] => 20230228167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => BACK PRESSURE VALVE WITH LATCHING ENGAGEMENT SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/997786 [patent_app_country] => US [patent_app_date] => 2021-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7092 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17997786 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/997786
BACK PRESSURE VALVE WITH LATCHING ENGAGEMENT SYSTEM AND METHOD May 2, 2021 Abandoned
Array ( [id] => 19923440 [patent_doc_number] => 12297712 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Starter engine system for a rotary lock [patent_app_type] => utility [patent_app_number] => 17/996559 [patent_app_country] => US [patent_app_date] => 2021-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 1154 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17996559 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996559
Starter engine system for a rotary lock Apr 20, 2021 Issued
Array ( [id] => 17244107 [patent_doc_number] => 20210363850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => APPARATUSES AND METHODS FOR COUPLING ONE OR MORE AUXILIARY LINES TO A SUBSEA WELL CONTROL ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/226679 [patent_app_country] => US [patent_app_date] => 2021-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4371 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17226679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/226679
Apparatuses and methods for coupling one or more auxiliary lines to a subsea well control assembly Apr 8, 2021 Issued
Array ( [id] => 18854393 [patent_doc_number] => 11851957 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Systems and methods for sensing engagement in hazardous rated environments [patent_app_type] => utility [patent_app_number] => 17/226484 [patent_app_country] => US [patent_app_date] => 2021-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4133 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17226484 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/226484
Systems and methods for sensing engagement in hazardous rated environments Apr 8, 2021 Issued
Array ( [id] => 17126848 [patent_doc_number] => 20210301617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => HIGH PRESSURE RISER CONNECTION TO WELLHEAD [patent_app_type] => utility [patent_app_number] => 17/214238 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17214238 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/214238
High pressure riser connection to wellhead Mar 25, 2021 Issued
Array ( [id] => 17474674 [patent_doc_number] => 20220082178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => SENSING GATE VALVE POSITION [patent_app_type] => utility [patent_app_number] => 17/214296 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17214296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/214296
SENSING GATE VALVE POSITION Mar 25, 2021 Abandoned
Array ( [id] => 18086001 [patent_doc_number] => 11536126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Downhole gas-liquid separator [patent_app_type] => utility [patent_app_number] => 17/174059 [patent_app_country] => US [patent_app_date] => 2021-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2875 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17174059 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/174059
Downhole gas-liquid separator Feb 10, 2021 Issued
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