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] => 20646293 [patent_doc_number] => 12601231 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Dissolvable ballast for untethered downhole tools [patent_app_type] => utility [patent_app_number] => 18/989597 [patent_app_country] => US [patent_app_date] => 2024-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 7334 [patent_no_of_claims] => 7 [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] => 18989597 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/989597
Dissolvable ballast for untethered downhole tools Dec 19, 2024 Issued
Array ( [id] => 19832929 [patent_doc_number] => 20250084715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => ADJUSTABLE ELEMENT ENERGY RETENTION MECHANISM [patent_app_type] => utility [patent_app_number] => 18/960899 [patent_app_country] => US [patent_app_date] => 2024-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5605 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 18960899 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/960899
ADJUSTABLE ELEMENT ENERGY RETENTION MECHANISM Nov 25, 2024 Pending
Array ( [id] => 20025566 [patent_doc_number] => 20250163788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => MULTISTAGE COMPLETION TOOL [patent_app_type] => utility [patent_app_number] => 18/954059 [patent_app_country] => US [patent_app_date] => 2024-11-20 [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] => -10 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18954059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/954059
MULTISTAGE COMPLETION TOOL Nov 19, 2024 Pending
Array ( [id] => 20280132 [patent_doc_number] => 20250305374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => HYDROSTATICALLY-ACTUATABLE SYSTEMS AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 18/944302 [patent_app_country] => US [patent_app_date] => 2024-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1156 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18944302 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/944302
HYDROSTATICALLY-ACTUATABLE SYSTEMS AND RELATED METHODS Nov 11, 2024 Pending
Array ( [id] => 20708386 [patent_doc_number] => 20260132714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-14 [patent_title] => SUBSURFACE DETECTION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/940910 [patent_app_country] => US [patent_app_date] => 2024-11-08 [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] => -15 [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] => 18940910 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/940910
SUBSURFACE DETECTION SYSTEM AND METHOD Nov 7, 2024 Pending
Array ( [id] => 20865881 [patent_doc_number] => 12692763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-28 [patent_title] => Urethane cement retainer [patent_app_type] => utility [patent_app_number] => 18/915505 [patent_app_country] => US [patent_app_date] => 2024-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18915505 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/915505
Urethane Cement Retainer Oct 14, 2024 Pending
Array ( [id] => 20615500 [patent_doc_number] => 20260085588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => LINER HANGER FOR DEBRIS-LADEN ENVIRONMENT [patent_app_type] => utility [patent_app_number] => 18/901127 [patent_app_country] => US [patent_app_date] => 2024-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18901127 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/901127
LINER HANGER FOR DEBRIS-LADEN ENVIRONMENT Sep 29, 2024 Pending
Array ( [id] => 20789001 [patent_doc_number] => 12662908 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Multilateral junction assembly employing degradable material [patent_app_type] => utility [patent_app_number] => 18/897872 [patent_app_country] => US [patent_app_date] => 2024-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 97 [patent_figures_cnt] => 97 [patent_no_of_words] => 27864 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18897872 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/897872
Multilateral junction assembly employing degradable material Sep 25, 2024 Issued
Array ( [id] => 20665335 [patent_doc_number] => 12607097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Multilateral downhole assembly employing degradable material to couple its multilateral deflector assembly and running tool [patent_app_type] => utility [patent_app_number] => 18/897364 [patent_app_country] => US [patent_app_date] => 2024-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 97 [patent_figures_cnt] => 97 [patent_no_of_words] => 26622 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18897364 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/897364
Multilateral downhole assembly employing degradable material to couple its multilateral deflector assembly and running tool Sep 25, 2024 Issued
Array ( [id] => 19877399 [patent_doc_number] => 20250109656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => MULTILATERAL LATERAL BORE COMPLETION EMPLOYING AN EXPANDABLE METAL ANCHOR [patent_app_type] => utility [patent_app_number] => 18/897083 [patent_app_country] => US [patent_app_date] => 2024-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35923 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18897083 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/897083
MULTILATERAL LATERAL BORE COMPLETION EMPLOYING AN EXPANDABLE METAL ANCHOR Sep 25, 2024 Pending
Array ( [id] => 20594143 [patent_doc_number] => 12577849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Composite wellbore sealing device [patent_app_type] => utility [patent_app_number] => 18/893640 [patent_app_country] => US [patent_app_date] => 2024-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1158 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18893640 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/893640
Composite wellbore sealing device Sep 22, 2024 Issued
Array ( [id] => 19643543 [patent_doc_number] => 20240418063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => CATCHER ASSEMBLY FOR A PLUNGER [patent_app_type] => utility [patent_app_number] => 18/815511 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815511
Catcher assembly for a plunger Aug 25, 2024 Issued
Array ( [id] => 19631786 [patent_doc_number] => 20240410235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => MANUFACTURING METHODS FOR DUAL CONCENTRIC TUBING [patent_app_type] => utility [patent_app_number] => 18/808617 [patent_app_country] => US [patent_app_date] => 2024-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8774 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18808617 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/808617
Manufacturing methods for dual concentric tubing Aug 18, 2024 Issued
Array ( [id] => 19631791 [patent_doc_number] => 20240410240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => DOWNHOLE ANCHOR SYSTEM [patent_app_type] => utility [patent_app_number] => 18/808948 [patent_app_country] => US [patent_app_date] => 2024-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18808948 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/808948
Downhole anchor system Aug 18, 2024 Issued
Array ( [id] => 20672336 [patent_doc_number] => 12612840 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Pressure management device for drilling system [patent_app_type] => utility [patent_app_number] => 18/807875 [patent_app_country] => US [patent_app_date] => 2024-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 38 [patent_no_of_words] => 20726 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18807875 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/807875
Pressure management device for drilling system Aug 15, 2024 Issued
Array ( [id] => 20608780 [patent_doc_number] => 12584372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Anchoring plugging devices to perforations [patent_app_type] => utility [patent_app_number] => 18/805938 [patent_app_country] => US [patent_app_date] => 2024-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18805938 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/805938
Anchoring plugging devices to perforations Aug 14, 2024 Issued
Array ( [id] => 20201960 [patent_doc_number] => 12404733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Drop tool impact shock mitigation with fluid retention method and system [patent_app_type] => utility [patent_app_number] => 18/796879 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18796879 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/796879
Drop tool impact shock mitigation with fluid retention method and system Aug 6, 2024 Issued
Array ( [id] => 20264610 [patent_doc_number] => 12435589 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-10-07 [patent_title] => Pipe cutting tool [patent_app_type] => utility [patent_app_number] => 18/783803 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18783803 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/783803
Pipe cutting tool Jul 24, 2024 Issued
Array ( [id] => 20187514 [patent_doc_number] => 12398622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Systems and methods for delivering fluid into a wellbore [patent_app_type] => utility [patent_app_number] => 18/779708 [patent_app_country] => US [patent_app_date] => 2024-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 41 [patent_no_of_words] => 3412 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18779708 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/779708
Systems and methods for delivering fluid into a wellbore Jul 21, 2024 Issued
Array ( [id] => 20730690 [patent_doc_number] => 12637940 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Advanced inground operations, system and associated apparatus [patent_app_type] => utility [patent_app_number] => 18/766584 [patent_app_country] => US [patent_app_date] => 2024-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 27 [patent_no_of_words] => 16802 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18766584 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/766584
Advanced inground operations, system and associated apparatus Jul 7, 2024 Issued
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