Search

David P. Carroll

Examiner (ID: 16604, Phone: (571)272-4808 , Office: P/3676 )

Most Active Art Unit
3674
Art Unit(s)
3672, 3676, 3674
Total Applications
774
Issued Applications
600
Pending Applications
46
Abandoned Applications
142

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18247151 [patent_doc_number] => 11603727 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-14 [patent_title] => Flow activated on-off control sub for perseus cutter [patent_app_type] => utility [patent_app_number] => 17/408187 [patent_app_country] => US [patent_app_date] => 2021-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4462 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17408187 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/408187
Flow activated on-off control sub for perseus cutter Aug 19, 2021 Issued
Array ( [id] => 18194565 [patent_doc_number] => 20230048084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => SYSTEM AND METHOD OF LINER AND TUBING INSTALLATIONS WITH REVERSE WIPER PLUG [patent_app_type] => utility [patent_app_number] => 17/445145 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3935 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17445145 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/445145
System and method of liner and tubing installations with reverse wiper plug Aug 15, 2021 Issued
Array ( [id] => 19492067 [patent_doc_number] => 12110766 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Downhole cleaning tool and method [patent_app_type] => utility [patent_app_number] => 18/040158 [patent_app_country] => US [patent_app_date] => 2021-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 9268 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18040158 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/040158
Downhole cleaning tool and method Aug 5, 2021 Issued
Array ( [id] => 18183134 [patent_doc_number] => 20230043864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Nested Drill Bit Assembly For Drilling With Casing [patent_app_type] => utility [patent_app_number] => 17/392858 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7044 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17392858 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/392858
Nested drill bit assembly for drilling with casing Aug 2, 2021 Issued
Array ( [id] => 17357399 [patent_doc_number] => 20220018195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => SUCKER ROD GUIDES [patent_app_type] => utility [patent_app_number] => 17/378141 [patent_app_country] => US [patent_app_date] => 2021-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4774 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17378141 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/378141
Sucker rod guides Jul 15, 2021 Issued
Array ( [id] => 17200724 [patent_doc_number] => 20210340819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => Directional Drilling Target Steering Apparatus and Method [patent_app_type] => utility [patent_app_number] => 17/373553 [patent_app_country] => US [patent_app_date] => 2021-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8955 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17373553 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/373553
Directional drilling target steering apparatus and method Jul 11, 2021 Issued
Array ( [id] => 18135121 [patent_doc_number] => 11560778 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Annular volume filler for perforating gun [patent_app_type] => utility [patent_app_number] => 17/370255 [patent_app_country] => US [patent_app_date] => 2021-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 7703 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17370255 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/370255
Annular volume filler for perforating gun Jul 7, 2021 Issued
Array ( [id] => 18302375 [patent_doc_number] => 11624269 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-11 [patent_title] => Integrated gas separator and pump [patent_app_type] => utility [patent_app_number] => 17/369511 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 13874 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17369511 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369511
Integrated gas separator and pump Jul 6, 2021 Issued
Array ( [id] => 17185793 [patent_doc_number] => 20210332678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => Downhole Perforating Tool with Integrated Detonation Assembly and Method of Using Same [patent_app_type] => utility [patent_app_number] => 17/366884 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 17366884 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/366884
Downhole perforating tool with integrated detonation assembly and method of using same Jul 1, 2021 Issued
Array ( [id] => 18666776 [patent_doc_number] => 11773658 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Quick connection interface for electrical submersible pump components [patent_app_type] => utility [patent_app_number] => 17/362434 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8486 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17362434 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/362434
Quick connection interface for electrical submersible pump components Jun 28, 2021 Issued
Array ( [id] => 18135114 [patent_doc_number] => 11560771 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Wet connect pocket washout, method, and system [patent_app_type] => utility [patent_app_number] => 17/357063 [patent_app_country] => US [patent_app_date] => 2021-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 1973 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17357063 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/357063
Wet connect pocket washout, method, and system Jun 23, 2021 Issued
Array ( [id] => 18216965 [patent_doc_number] => 11591891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Helix hub with improved two-phase separation [patent_app_type] => utility [patent_app_number] => 17/354535 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8137 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17354535 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/354535
Helix hub with improved two-phase separation Jun 21, 2021 Issued
Array ( [id] => 18117936 [patent_doc_number] => 11549322 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-10 [patent_title] => Drill cuttings composite core manufacturing method and apparatus [patent_app_type] => utility [patent_app_number] => 17/343072 [patent_app_country] => US [patent_app_date] => 2021-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3573 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17343072 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/343072
Drill cuttings composite core manufacturing method and apparatus Jun 8, 2021 Issued
Array ( [id] => 17386331 [patent_doc_number] => 20220034183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => DOWNHOLE CIRCULAR CUTTING TORCH [patent_app_type] => utility [patent_app_number] => 17/341923 [patent_app_country] => US [patent_app_date] => 2021-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17341923 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/341923
Downhole circular cutting torch Jun 7, 2021 Issued
Array ( [id] => 17053574 [patent_doc_number] => 20210263008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => Methods and Systems for Estimation of Oil Formation Volume Factor [patent_app_type] => utility [patent_app_number] => 17/319857 [patent_app_country] => US [patent_app_date] => 2021-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12951 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17319857 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/319857
Methods and systems for estimation of oil formation volume factor May 12, 2021 Issued
Array ( [id] => 18085979 [patent_doc_number] => 11536104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Methods of pre-testing expansion charge for selectively expanding a wall of a tubular, and methods of selectively expanding walls of nested tubulars [patent_app_type] => utility [patent_app_number] => 17/313828 [patent_app_country] => US [patent_app_date] => 2021-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 67 [patent_no_of_words] => 27091 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17313828 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/313828
Methods of pre-testing expansion charge for selectively expanding a wall of a tubular, and methods of selectively expanding walls of nested tubulars May 5, 2021 Issued
Array ( [id] => 18560240 [patent_doc_number] => 11725476 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Method and system for electrical control of downhole well tool [patent_app_type] => utility [patent_app_number] => 17/308367 [patent_app_country] => US [patent_app_date] => 2021-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 30 [patent_no_of_words] => 15167 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17308367 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/308367
Method and system for electrical control of downhole well tool May 4, 2021 Issued
Array ( [id] => 17037475 [patent_doc_number] => 20210254433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => WIRELESS ACTIVATION OF WELLBORE COMPLETION ASSEMBLIES [patent_app_type] => utility [patent_app_number] => 17/307966 [patent_app_country] => US [patent_app_date] => 2021-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11867 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17307966 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/307966
Wireless activation of wellbore completion assemblies May 3, 2021 Issued
Array ( [id] => 17983238 [patent_doc_number] => 20220349274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => ALTERNATIVE CASING CEMENTING TOOL AND METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 17/242825 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17242825 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/242825
Alternative casing cementing tool and methods thereof Apr 27, 2021 Issued
Array ( [id] => 17052870 [patent_doc_number] => 20210262304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => SHAPED CHARGE ASSEMBLY, EXPLOSIVE UNITS, AND METHODS FOR SELECTIVELY EXPANDING WALL OF A TUBULAR [patent_app_type] => utility [patent_app_number] => 17/240611 [patent_app_country] => US [patent_app_date] => 2021-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17240611 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/240611
Shaped charge assembly, explosive units, and methods for selectively expanding wall of a tubular Apr 25, 2021 Issued
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