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] => 20069262 [patent_doc_number] => 20250207484 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => Electric Submersible Pump Assembly [patent_app_type] => utility [patent_app_number] => 18/396518 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4848 [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] => 18396518 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396518
Electric Submersible Pump Assembly Dec 25, 2023 Abandoned
Array ( [id] => 19098460 [patent_doc_number] => 20240117688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => DUAL ROD ASSEMBLY AND COLLAR INSTALLATION METHOD [patent_app_type] => utility [patent_app_number] => 18/541378 [patent_app_country] => US [patent_app_date] => 2023-12-15 [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] => -19 [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] => 18541378 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/541378
Dual rod assembly and collar installation method Dec 14, 2023 Issued
Array ( [id] => 20060043 [patent_doc_number] => 20250198265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => Electric Submersible Pump Assembly [patent_app_type] => utility [patent_app_number] => 18/540950 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4848 [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] => 18540950 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/540950
Electric submersible pump assembly Dec 14, 2023 Issued
Array ( [id] => 20041671 [patent_doc_number] => 20250179893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => ELECTRICALLY OPERATED LOW POWER COMPLETION CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/525787 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18525787 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/525787
Electrically operated low power completion control system Nov 29, 2023 Issued
Array ( [id] => 19067938 [patent_doc_number] => 20240102364 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => CENTER ROD PLUNGER [patent_app_type] => utility [patent_app_number] => 18/525227 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18525227 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/525227
CENTER ROD PLUNGER Nov 29, 2023 Pending
Array ( [id] => 19173133 [patent_doc_number] => 20240159107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => Underground Drill Rig And Systems And Methods Of Using Same [patent_app_type] => utility [patent_app_number] => 18/517083 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19438 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18517083 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/517083
Underground Drill Rig And Systems And Methods Of Using Same Nov 21, 2023 Pending
Array ( [id] => 19173133 [patent_doc_number] => 20240159107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => Underground Drill Rig And Systems And Methods Of Using Same [patent_app_type] => utility [patent_app_number] => 18/517083 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19438 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18517083 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/517083
Underground Drill Rig And Systems And Methods Of Using Same Nov 21, 2023 Pending
Array ( [id] => 19755089 [patent_doc_number] => 20250043654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => SEALING ASSEMBLY EMPLOYING A CYLINDRICAL EXTRUSION LIMITER [patent_app_type] => utility [patent_app_number] => 18/494395 [patent_app_country] => US [patent_app_date] => 2023-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4192 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18494395 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/494395
SEALING ASSEMBLY EMPLOYING A CYLINDRICAL EXTRUSION LIMITER Oct 24, 2023 Pending
Array ( [id] => 19587063 [patent_doc_number] => 20240384620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => SEAL ELEMENT WITH PROFILED SURFACE FOR A DOWNHOLE TOOL IN A WELLBORE [patent_app_type] => utility [patent_app_number] => 18/494047 [patent_app_country] => US [patent_app_date] => 2023-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4093 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18494047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/494047
Seal element with profiled surface for a downhole tool in a wellbore Oct 24, 2023 Issued
Array ( [id] => 20241507 [patent_doc_number] => 12421816 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Anchoring subassembly including a relaxation mechanism [patent_app_type] => utility [patent_app_number] => 18/492474 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [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] => 18492474 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/492474
Anchoring subassembly including a relaxation mechanism Oct 22, 2023 Issued
Array ( [id] => 19333137 [patent_doc_number] => 20240247567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => Earth Boring Device and Method for Monitoring a Region of an Earth Boring Device [patent_app_type] => utility [patent_app_number] => 18/490910 [patent_app_country] => US [patent_app_date] => 2023-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10716 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18490910 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/490910
Earth Boring Device and Method for Monitoring a Region of an Earth Boring Device Oct 19, 2023 Pending
Array ( [id] => 20264605 [patent_doc_number] => 12435584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Fiber deployment and monitoring on demand with fracturing spread control [patent_app_type] => utility [patent_app_number] => 18/381043 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7602 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381043 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381043
Fiber deployment and monitoring on demand with fracturing spread control Oct 16, 2023 Issued
Array ( [id] => 20264605 [patent_doc_number] => 12435584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Fiber deployment and monitoring on demand with fracturing spread control [patent_app_type] => utility [patent_app_number] => 18/381043 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7602 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381043 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381043
Fiber deployment and monitoring on demand with fracturing spread control Oct 16, 2023 Issued
Array ( [id] => 20264605 [patent_doc_number] => 12435584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Fiber deployment and monitoring on demand with fracturing spread control [patent_app_type] => utility [patent_app_number] => 18/381043 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7602 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381043 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381043
Fiber deployment and monitoring on demand with fracturing spread control Oct 16, 2023 Issued
Array ( [id] => 19984542 [patent_doc_number] => 20250122764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => DRILL BIT, METHOD, AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/486629 [patent_app_country] => US [patent_app_date] => 2023-10-13 [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] => -12 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18486629 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486629
Drill bit, method, and system Oct 12, 2023 Issued
Array ( [id] => 19098473 [patent_doc_number] => 20240117701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => DOWNHOLE TOOL INCLUDING A PACKER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/481666 [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] => 23691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481666
Downhole tool including a packer assembly Oct 4, 2023 Issued
Array ( [id] => 19098473 [patent_doc_number] => 20240117701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => DOWNHOLE TOOL INCLUDING A PACKER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/481666 [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] => 23691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481666
Downhole tool including a packer assembly Oct 4, 2023 Issued
Array ( [id] => 18923738 [patent_doc_number] => 20240026742 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => Cable Connectors for Use Downhole [patent_app_type] => utility [patent_app_number] => 18/375880 [patent_app_country] => US [patent_app_date] => 2023-10-02 [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] => -21 [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] => 18375880 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/375880
Cable connectors for use downhole Oct 1, 2023 Issued
Array ( [id] => 20272501 [patent_doc_number] => 12442275 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Wireline retrievable annular pressure bleeder [patent_app_type] => utility [patent_app_number] => 18/478598 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3439 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18478598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/478598
Wireline retrievable annular pressure bleeder Sep 28, 2023 Issued
Array ( [id] => 20272501 [patent_doc_number] => 12442275 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Wireline retrievable annular pressure bleeder [patent_app_type] => utility [patent_app_number] => 18/478598 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3439 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18478598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/478598
Wireline retrievable annular pressure bleeder Sep 28, 2023 Issued
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