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] => 18923740 [patent_doc_number] => 20240026744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => LINER DEPLOYMENT TOOL [patent_app_type] => utility [patent_app_number] => 18/478940 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9851 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18478940 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/478940
Liner deployment tool Sep 28, 2023 Issued
Array ( [id] => 20445706 [patent_doc_number] => 20260002423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => WELLHEAD GRIPPING ASSEMBLY INSTALLATION TECHNIQUE AND SETTING TOOL [patent_app_type] => utility [patent_app_number] => 19/107580 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1111 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19107580 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/107580
Wellhead gripping assembly installation technique and setting tool Sep 24, 2023 Issued
Array ( [id] => 19004242 [patent_doc_number] => 20240068313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => LINER DEPLOYMENT TOOL [patent_app_type] => utility [patent_app_number] => 18/471273 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18471273 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471273
Liner deployment tool Sep 19, 2023 Issued
Array ( [id] => 20078053 [patent_doc_number] => 12352108 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Devices, systems, and methods for a bit including a matrix portion and a steel portion [patent_app_type] => utility [patent_app_number] => 18/240923 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4818 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18240923 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240923
Devices, systems, and methods for a bit including a matrix portion and a steel portion Aug 30, 2023 Issued
Array ( [id] => 19651799 [patent_doc_number] => 12173575 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-24 [patent_title] => In situ groundwater treatment and flow diversion system [patent_app_type] => utility [patent_app_number] => 18/456232 [patent_app_country] => US [patent_app_date] => 2023-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 89 [patent_figures_cnt] => 136 [patent_no_of_words] => 32527 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18456232 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456232
In situ groundwater treatment and flow diversion system Aug 24, 2023 Issued
Array ( [id] => 20499423 [patent_doc_number] => 20260028881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => ROTARY STEERABLE SYSTEM WITH ACTIVE PAD PROPORTIONAL CONTROL [patent_app_type] => utility [patent_app_number] => 18/993568 [patent_app_country] => US [patent_app_date] => 2023-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 473 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18993568 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/993568
ROTARY STEERABLE SYSTEM WITH ACTIVE PAD PROPORTIONAL CONTROL Jul 26, 2023 Pending
Array ( [id] => 18786711 [patent_doc_number] => 20230374882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => DISSOLVABLE PLUGS USED IN DOWNHOLE COMPLETION SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/358809 [patent_app_country] => US [patent_app_date] => 2023-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10898 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18358809 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/358809
Dissolvable plugs used in downhole completion systems Jul 24, 2023 Issued
Array ( [id] => 19826699 [patent_doc_number] => 12247468 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Inflow control device, method, and system [patent_app_type] => utility [patent_app_number] => 18/356848 [patent_app_country] => US [patent_app_date] => 2023-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1844 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18356848 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/356848
Inflow control device, method, and system Jul 20, 2023 Issued
Array ( [id] => 18754696 [patent_doc_number] => 20230358122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => CONTROLLING FLUIDS IN A WELLBORE USING A BACKUP PACKER [patent_app_type] => utility [patent_app_number] => 18/354348 [patent_app_country] => US [patent_app_date] => 2023-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18354348 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/354348
CONTROLLING FLUIDS IN A WELLBORE USING A BACKUP PACKER Jul 17, 2023 Abandoned
Array ( [id] => 20499433 [patent_doc_number] => 20260028891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => PACKER AND UNSEALING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/997065 [patent_app_country] => US [patent_app_date] => 2023-07-18 [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] => -14 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18997065 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/997065
Packer and unsealing method thereof Jul 17, 2023 Issued
Array ( [id] => 19709903 [patent_doc_number] => 20250020045 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => SELF-ENERGIZING SEAL FOR EXPANDABLE LINER HANGER [patent_app_type] => utility [patent_app_number] => 18/350222 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5667 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350222 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350222
Self-energizing seal for expandable liner hanger Jul 10, 2023 Issued
Array ( [id] => 19684987 [patent_doc_number] => 20250003532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => DOWNHOLE TOOL WITH CRACK COMPLIANT SEAL AND MECHANICAL STRENGTHENING FEATURE AT A JOINT THEREOF [patent_app_type] => utility [patent_app_number] => 18/348205 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9443 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18348205 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348205
Downhole tool with crack compliant seal and mechanical strengthening feature at a joint thereof Jul 5, 2023 Issued
Array ( [id] => 19693612 [patent_doc_number] => 20250012157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => Wellbore Tubular Anchor Sub and Seal for Modular Completion Interface [patent_app_type] => utility [patent_app_number] => 18/218894 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8877 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18218894 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/218894
Wellbore tubular anchor sub and seal for modular completion interface Jul 5, 2023 Issued
Array ( [id] => 19955637 [patent_doc_number] => 12326046 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Downhole tool with crack compliant seal and high yield strength weld positioned at a joint thereof [patent_app_type] => utility [patent_app_number] => 18/348140 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 4348 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18348140 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348140
Downhole tool with crack compliant seal and high yield strength weld positioned at a joint thereof Jul 5, 2023 Issued
Array ( [id] => 20241514 [patent_doc_number] => 12421823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Valve including an expandable metal seal [patent_app_type] => utility [patent_app_number] => 18/338538 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18338538 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/338538
Valve including an expandable metal seal Jun 20, 2023 Issued
Array ( [id] => 19932260 [patent_doc_number] => 12305459 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Sealing/anchoring tool employing an expandable metal circlet [patent_app_type] => utility [patent_app_number] => 18/334903 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 56 [patent_figures_cnt] => 56 [patent_no_of_words] => 7224 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18334903 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/334903
Sealing/anchoring tool employing an expandable metal circlet Jun 13, 2023 Issued
Array ( [id] => 19856003 [patent_doc_number] => 12258828 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Sealing/anchoring tool employing a hydraulically deformable member and an expandable metal circlet [patent_app_type] => utility [patent_app_number] => 18/334952 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 56 [patent_figures_cnt] => 56 [patent_no_of_words] => 11918 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18334952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/334952
Sealing/anchoring tool employing a hydraulically deformable member and an expandable metal circlet Jun 13, 2023 Issued
Array ( [id] => 19731472 [patent_doc_number] => 12209463 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Method and apparatus for retrieving tubing using disconnectable sub in a wellbore [patent_app_type] => utility [patent_app_number] => 18/325845 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 8252 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325845 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325845
Method and apparatus for retrieving tubing using disconnectable sub in a wellbore May 29, 2023 Issued
Array ( [id] => 20562296 [patent_doc_number] => 12564889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-03 [patent_title] => Cutting accessory for a drill [patent_app_type] => utility [patent_app_number] => 18/291087 [patent_app_country] => US [patent_app_date] => 2023-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18291087 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/291087
Cutting accessory for a drill May 16, 2023 Issued
Array ( [id] => 19572505 [patent_doc_number] => 20240376797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => PRESSURE REGULATION MECHANISM FOR DOWNHOLE WELL TOOLS [patent_app_type] => utility [patent_app_number] => 18/313811 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5966 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18313811 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/313811
Pressure regulation mechanism for downhole well tools May 7, 2023 Issued
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