Search

David L. Andrews

Examiner (ID: 6232, Phone: (571)272-6558 , Office: P/3672 )

Most Active Art Unit
3672
Art Unit(s)
3672
Total Applications
1158
Issued Applications
793
Pending Applications
94
Abandoned Applications
298

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19333118 [patent_doc_number] => 20240247548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => DRILL BIT [patent_app_type] => utility [patent_app_number] => 18/294926 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18294926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/294926
DRILL BIT Jul 27, 2022 Pending
Array ( [id] => 18940223 [patent_doc_number] => 20240035362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => CLOSED LOOP MONITORING AND CONTROL OF A CHEMICAL INJECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/876131 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17876131 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/876131
CLOSED LOOP MONITORING AND CONTROL OF A CHEMICAL INJECTION SYSTEM Jul 27, 2022 Abandoned
Array ( [id] => 19333118 [patent_doc_number] => 20240247548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => DRILL BIT [patent_app_type] => utility [patent_app_number] => 18/294926 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18294926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/294926
DRILL BIT Jul 27, 2022 Pending
Array ( [id] => 18895879 [patent_doc_number] => 20240011364 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => TUBING-CASING ANNULUS SCANNER TOOL [patent_app_type] => utility [patent_app_number] => 17/811432 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5127 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17811432 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/811432
Tubing-casing annulus scanner tool Jul 7, 2022 Issued
Array ( [id] => 18126491 [patent_doc_number] => 20230012112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => Ejector Manifold and Subsurface Process to Harvest Low-Pressure Natural Gas [patent_app_type] => utility [patent_app_number] => 17/854969 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7705 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17854969 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854969
Ejector manifold and subsurface process to harvest low-pressure natural gas Jun 29, 2022 Issued
Array ( [id] => 18078115 [patent_doc_number] => 20220403727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => DOWNHOLE PRODUCTION SYSTEM WITH FLOW DIVERTER FOR GAS SEPARATION [patent_app_type] => utility [patent_app_number] => 17/843148 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8743 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17843148 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843148
DOWNHOLE PRODUCTION SYSTEM WITH FLOW DIVERTER FOR GAS SEPARATION Jun 16, 2022 Pending
Array ( [id] => 18831416 [patent_doc_number] => 20230399943 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => FLUID IDENTIFICATION OUTSIDE OF WELLBORE TUBING [patent_app_type] => utility [patent_app_number] => 17/836962 [patent_app_country] => US [patent_app_date] => 2022-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17836962 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/836962
Fluid identification outside of wellbore tubing Jun 8, 2022 Issued
Array ( [id] => 19624592 [patent_doc_number] => 12163402 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Magnetically coupled subsurface safety valve [patent_app_type] => utility [patent_app_number] => 17/836237 [patent_app_country] => US [patent_app_date] => 2022-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 8381 [patent_no_of_claims] => 22 [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] => 17836237 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/836237
Magnetically coupled subsurface safety valve Jun 8, 2022 Issued
Array ( [id] => 18818154 [patent_doc_number] => 20230392494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => CLEANING A PRODUCTION LOGGING SPINNER FLOWMETER [patent_app_type] => utility [patent_app_number] => 17/832024 [patent_app_country] => US [patent_app_date] => 2022-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17832024 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/832024
Cleaning a production logging spinner flowmeter Jun 2, 2022 Issued
Array ( [id] => 18065932 [patent_doc_number] => 20220397019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => TUBING ANCHOR GAS VENT AND ASSOCIATED METHODS AND SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/831658 [patent_app_country] => US [patent_app_date] => 2022-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17831658 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/831658
Tubing anchor gas vent and associated methods and systems Jun 2, 2022 Issued
Array ( [id] => 20214029 [patent_doc_number] => 12410674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Downhole millable permanent plug and method for setting a downhole millable permanent plug [patent_app_type] => utility [patent_app_number] => 18/568120 [patent_app_country] => US [patent_app_date] => 2022-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 1096 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18568120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/568120
Downhole millable permanent plug and method for setting a downhole millable permanent plug Jun 1, 2022 Issued
Array ( [id] => 20214029 [patent_doc_number] => 12410674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Downhole millable permanent plug and method for setting a downhole millable permanent plug [patent_app_type] => utility [patent_app_number] => 18/568120 [patent_app_country] => US [patent_app_date] => 2022-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 1096 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18568120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/568120
Downhole millable permanent plug and method for setting a downhole millable permanent plug Jun 1, 2022 Issued
Array ( [id] => 20214029 [patent_doc_number] => 12410674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Downhole millable permanent plug and method for setting a downhole millable permanent plug [patent_app_type] => utility [patent_app_number] => 18/568120 [patent_app_country] => US [patent_app_date] => 2022-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 1096 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18568120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/568120
Downhole millable permanent plug and method for setting a downhole millable permanent plug Jun 1, 2022 Issued
Array ( [id] => 18809296 [patent_doc_number] => 20230383631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => Electric Submersible Pump Assembly [patent_app_type] => utility [patent_app_number] => 17/824892 [patent_app_country] => US [patent_app_date] => 2022-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10231 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17824892 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/824892
Electric Submersible Pump Assembly May 24, 2022 Abandoned
Array ( [id] => 18786716 [patent_doc_number] => 20230374887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => DOWNHOLE FLOW SENSING WITH POWER HARVESTING [patent_app_type] => utility [patent_app_number] => 17/749605 [patent_app_country] => US [patent_app_date] => 2022-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9518 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17749605 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/749605
Downhole flow sensing with power harvesting May 19, 2022 Issued
Array ( [id] => 17792816 [patent_doc_number] => 20220251907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => DRILL PIPE WITH FLUTED GUN DRILLED PASSAGEWAY [patent_app_type] => utility [patent_app_number] => 17/734004 [patent_app_country] => US [patent_app_date] => 2022-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6913 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17734004 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/734004
Drill pipe with fluted gun drilled passageway Apr 29, 2022 Issued
Array ( [id] => 19624573 [patent_doc_number] => 12163383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Threaded connection for exploration and production of a hydrocarbon well [patent_app_type] => utility [patent_app_number] => 18/555598 [patent_app_country] => US [patent_app_date] => 2022-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 57 [patent_figures_cnt] => 60 [patent_no_of_words] => 16893 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 393 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18555598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555598
Threaded connection for exploration and production of a hydrocarbon well Apr 20, 2022 Issued
Array ( [id] => 19441673 [patent_doc_number] => 12091918 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Downhole rotary slip ring joint to allow rotation of assemblies with multiple control lines [patent_app_type] => utility [patent_app_number] => 17/721182 [patent_app_country] => US [patent_app_date] => 2022-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 60 [patent_figures_cnt] => 72 [patent_no_of_words] => 20294 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17721182 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/721182
Downhole rotary slip ring joint to allow rotation of assemblies with multiple control lines Apr 13, 2022 Issued
Array ( [id] => 20241500 [patent_doc_number] => 12421809 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Tool housing for use in a wellbore tool string [patent_app_type] => utility [patent_app_number] => 18/553376 [patent_app_country] => US [patent_app_date] => 2022-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 4183 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18553376 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/553376
Tool housing for use in a wellbore tool string Apr 10, 2022 Issued
Array ( [id] => 18658368 [patent_doc_number] => 20230304363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => COATINGS FOR WEAR SURFACES AND RELATED APPARATUSES, DEVICES, SYSTEMS, AND METHODS [patent_app_type] => utility [patent_app_number] => 17/705139 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6064 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17705139 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/705139
COATINGS FOR WEAR SURFACES AND RELATED APPARATUSES, DEVICES, SYSTEMS, AND METHODS Mar 24, 2022 Pending
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