Search

Steven A. Macdonald

Examiner (ID: 16090, Phone: (571)272-8763 , Office: P/3676 )

Most Active Art Unit
3674
Art Unit(s)
3676, 3674
Total Applications
809
Issued Applications
623
Pending Applications
59
Abandoned Applications
144

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19333796 [patent_doc_number] => 20240248226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => MEASUREMENT OF POROELASTIC PRESSURE RESPONSE [patent_app_type] => utility [patent_app_number] => 18/429025 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18429025 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/429025
Measurement of poroelastic pressure response Jan 30, 2024 Issued
Array ( [id] => 19948861 [patent_doc_number] => 12320214 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Anchor assemblies for use on a cable and processes for using same [patent_app_type] => utility [patent_app_number] => 18/428463 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 1215 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18428463 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/428463
Anchor assemblies for use on a cable and processes for using same Jan 30, 2024 Issued
Array ( [id] => 19955635 [patent_doc_number] => 12326043 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-10 [patent_title] => Hydrolock nozzle [patent_app_type] => utility [patent_app_number] => 18/427507 [patent_app_country] => US [patent_app_date] => 2024-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3549 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18427507 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/427507
Hydrolock nozzle Jan 29, 2024 Issued
Array ( [id] => 19940785 [patent_doc_number] => 12312908 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Methods and systems associated with converting landing collar to hybrid landing collar and toe sleeve [patent_app_type] => utility [patent_app_number] => 18/417886 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417886
Methods and systems associated with converting landing collar to hybrid landing collar and toe sleeve Jan 18, 2024 Issued
Array ( [id] => 19731486 [patent_doc_number] => 12209477 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-28 [patent_title] => Wireline conveyed casing test plug and pressure test tool assembly [patent_app_type] => utility [patent_app_number] => 18/416080 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2953 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18416080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416080
Wireline conveyed casing test plug and pressure test tool assembly Jan 17, 2024 Issued
Array ( [id] => 19809943 [patent_doc_number] => 12241317 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Disconnection of tool string sections in a subterranean well [patent_app_type] => utility [patent_app_number] => 18/412754 [patent_app_country] => US [patent_app_date] => 2024-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3726 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18412754 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/412754
Disconnection of tool string sections in a subterranean well Jan 14, 2024 Issued
Array ( [id] => 20842214 [patent_doc_number] => 20260201763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-07-16 [patent_title] => SEGMENTED EXPANDING GUN FOR PLUG AND ABANDONMENT APPLICATIONS [patent_app_type] => utility [patent_app_number] => 19/139343 [patent_app_country] => US [patent_app_date] => 2023-12-27 [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] => -19 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19139343 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/139343
SEGMENTED EXPANDING GUN FOR PLUG AND ABANDONMENT APPLICATIONS Dec 26, 2023 Pending
Array ( [id] => 20214046 [patent_doc_number] => 12410691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Apparatus and method for milling openings in an uncemented blank pipe [patent_app_type] => utility [patent_app_number] => 18/515465 [patent_app_country] => US [patent_app_date] => 2023-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3650 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 18515465 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/515465
Apparatus and method for milling openings in an uncemented blank pipe Nov 20, 2023 Issued
Array ( [id] => 20025553 [patent_doc_number] => 20250163775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => DOWNHOLE FLOW CONTROLLER [patent_app_type] => utility [patent_app_number] => 18/514906 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18007 [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] => 18514906 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514906
Downhole flow controller Nov 19, 2023 Issued
Array ( [id] => 20343595 [patent_doc_number] => 12467319 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Downhole motor with steering capability [patent_app_type] => utility [patent_app_number] => 18/511427 [patent_app_country] => US [patent_app_date] => 2023-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18511427 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/511427
Downhole motor with steering capability Nov 15, 2023 Issued
Array ( [id] => 19173155 [patent_doc_number] => 20240159129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => CATCHER ASSEMBLY FOR A PLUNGER [patent_app_type] => utility [patent_app_number] => 18/508696 [patent_app_country] => US [patent_app_date] => 2023-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18508696 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/508696
Catcher assembly for a plunger Nov 13, 2023 Issued
Array ( [id] => 19020811 [patent_doc_number] => 20240076982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => RELEASE TOOL FOR DOWNHOLE OPERATIONS [patent_app_type] => utility [patent_app_number] => 18/504504 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18504504 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/504504
RELEASE TOOL FOR DOWNHOLE OPERATIONS Nov 7, 2023 Abandoned
Array ( [id] => 19004240 [patent_doc_number] => 20240068311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => METHOD AND APPARATUS FOR WELL TUBULAR FLOTATION [patent_app_type] => utility [patent_app_number] => 18/503483 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3049 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18503483 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503483
Method and apparatus for well tubular flotation Nov 6, 2023 Issued
Array ( [id] => 19004252 [patent_doc_number] => 20240068323 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => BALL INJECTING APPARATUS AND METHOD FOR WELLBORE OPERATIONS [patent_app_type] => utility [patent_app_number] => 18/503973 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4294 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18503973 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503973
BALL INJECTING APPARATUS AND METHOD FOR WELLBORE OPERATIONS Nov 6, 2023 Abandoned
Array ( [id] => 20187524 [patent_doc_number] => 12398632 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Deploying a downhole safety valve with an artificial lift system [patent_app_type] => utility [patent_app_number] => 18/387337 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18387337 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/387337
Deploying a downhole safety valve with an artificial lift system Nov 5, 2023 Issued
Array ( [id] => 19004265 [patent_doc_number] => 20240068336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => GAS LIFT BARRIER [patent_app_type] => utility [patent_app_number] => 18/502477 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3406 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18502477 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/502477
Gas lift barrier Nov 5, 2023 Issued
Array ( [id] => 19999122 [patent_doc_number] => 20250137344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => Tensile Release Mechanism [patent_app_type] => utility [patent_app_number] => 18/383549 [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] => 1235 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18383549 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/383549
Tensile release mechanism Oct 24, 2023 Issued
Array ( [id] => 20672331 [patent_doc_number] => 12612835 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Sidewall drilling tool with hydraulically operated anchoring member and drilling member [patent_app_type] => utility [patent_app_number] => 19/115037 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 30 [patent_no_of_words] => 11566 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19115037 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/115037
Sidewall drilling tool with hydraulically operated anchoring member and drilling member Oct 17, 2023 Issued
Array ( [id] => 19113446 [patent_doc_number] => 20240125196 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => LEAK CONTAINMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/488896 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8408 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18488896 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/488896
Leak containment system Oct 16, 2023 Issued
Array ( [id] => 20302874 [patent_doc_number] => 12448856 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Latch collet including unique collet prop buttons [patent_app_type] => utility [patent_app_number] => 18/481536 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 149 [patent_figures_cnt] => 149 [patent_no_of_words] => 18764 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481536 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481536
Latch collet including unique collet prop buttons Oct 4, 2023 Issued
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