Search

Steven A. Macdonald

Examiner (ID: 4113)

Most Active Art Unit
3674
Art Unit(s)
3676, 3674
Total Applications
800
Issued Applications
612
Pending Applications
61
Abandoned Applications
144

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20372943 [patent_doc_number] => 12480372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Positioning and orientating apparatus for branch well, and positioning and orientating method [patent_app_type] => utility [patent_app_number] => 18/854685 [patent_app_country] => US [patent_app_date] => 2023-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 2392 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 382 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18854685 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/854685
Positioning and orientating apparatus for branch well, and positioning and orientating method Apr 6, 2023 Issued
Array ( [id] => 18538113 [patent_doc_number] => 20230243216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => BASEMENT ROCK HYBRID DRILLING [patent_app_type] => utility [patent_app_number] => 18/295385 [patent_app_country] => US [patent_app_date] => 2023-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18295385 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/295385
Basement rock hybrid drilling Apr 3, 2023 Issued
Array ( [id] => 19580277 [patent_doc_number] => 12146378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Downhole plug deployment in a subterranean well [patent_app_type] => utility [patent_app_number] => 18/295411 [patent_app_country] => US [patent_app_date] => 2023-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 5169 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18295411 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/295411
Downhole plug deployment in a subterranean well Apr 3, 2023 Issued
Array ( [id] => 19480265 [patent_doc_number] => 20240328307 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => SEALING DETECTION DURING FORMATION PRESSURE TESTING [patent_app_type] => utility [patent_app_number] => 18/127845 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11630 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18127845 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/127845
Sealing detection during formation pressure testing Mar 28, 2023 Issued
Array ( [id] => 18740272 [patent_doc_number] => 20230349249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => IMPROVED DOWNHOLE ANCHOR SYSTEM [patent_app_type] => utility [patent_app_number] => 18/190197 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4742 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18190197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/190197
Downhole anchor system Mar 26, 2023 Issued
Array ( [id] => 18658369 [patent_doc_number] => 20230304364 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => Wireline Saver Tool [patent_app_type] => utility [patent_app_number] => 18/189232 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18189232 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/189232
Wireline saver tool Mar 23, 2023 Issued
Array ( [id] => 19793764 [patent_doc_number] => 12234700 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Method and system for simultaneous wireline milling and debris collection [patent_app_type] => utility [patent_app_number] => 18/724304 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10600 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18724304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/724304
Method and system for simultaneous wireline milling and debris collection Mar 23, 2023 Issued
Array ( [id] => 19258490 [patent_doc_number] => 12018538 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-25 [patent_title] => Compression sleeve structure for mounting magnets in downhole nuclear magnetic resonance application [patent_app_type] => utility [patent_app_number] => 18/124863 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 7563 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18124863 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/124863
Compression sleeve structure for mounting magnets in downhole nuclear magnetic resonance application Mar 21, 2023 Issued
Array ( [id] => 18838075 [patent_doc_number] => 11846139 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Carbon-swellable sealing element [patent_app_type] => utility [patent_app_number] => 18/186030 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7561 [patent_no_of_claims] => 20 [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] => 18186030 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/186030
Carbon-swellable sealing element Mar 16, 2023 Issued
Array ( [id] => 19856002 [patent_doc_number] => 12258827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Compliant compression plate for a slip hanger or packoff [patent_app_type] => utility [patent_app_number] => 18/122539 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 7645 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18122539 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122539
Compliant compression plate for a slip hanger or packoff Mar 15, 2023 Issued
Array ( [id] => 19404365 [patent_doc_number] => 20240287876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => PERFORMING A WELLBORE TIEBACK OPERATION [patent_app_type] => utility [patent_app_number] => 18/176081 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3762 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18176081 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/176081
PERFORMING A WELLBORE TIEBACK OPERATION Feb 27, 2023 Abandoned
Array ( [id] => 19551245 [patent_doc_number] => 12134945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Frangible disk sub, method and system [patent_app_type] => utility [patent_app_number] => 18/171890 [patent_app_country] => US [patent_app_date] => 2023-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 2862 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18171890 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/171890
Frangible disk sub, method and system Feb 20, 2023 Issued
Array ( [id] => 18429153 [patent_doc_number] => 11674365 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-06-13 [patent_title] => Battery shuttle for electric well service rigs [patent_app_type] => utility [patent_app_number] => 18/109766 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 4687 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18109766 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109766
Battery shuttle for electric well service rigs Feb 13, 2023 Issued
Array ( [id] => 20008184 [patent_doc_number] => 20250146406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => TOOL, SYSTEM AND METHOD FOR DELIVERING AND PRESSURE TESTING A DOWNHOLE PLUG IN ONE TRIP [patent_app_type] => utility [patent_app_number] => 18/727959 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18727959 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/727959
Tool, system and method for delivering and pressure testing a downhole plug in one trip Feb 6, 2023 Issued
Array ( [id] => 19266032 [patent_doc_number] => 20240209731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => Nested Splice Tubes for Integrating Spoolable Gauges with Downhole Cables [patent_app_type] => utility [patent_app_number] => 18/088686 [patent_app_country] => US [patent_app_date] => 2022-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18088686 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/088686
Nested splice tubes for integrating spoolable gauges with downhole cables Dec 25, 2022 Issued
Array ( [id] => 18325560 [patent_doc_number] => 20230123688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => Composite Cement Retainer [patent_app_type] => utility [patent_app_number] => 18/085328 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2811 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18085328 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/085328
Composite cement retainer Dec 19, 2022 Issued
Array ( [id] => 19242389 [patent_doc_number] => 12012811 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-18 [patent_title] => Controlling surface pressure during well intervention [patent_app_type] => utility [patent_app_number] => 18/082682 [patent_app_country] => US [patent_app_date] => 2022-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7850 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18082682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/082682
Controlling surface pressure during well intervention Dec 15, 2022 Issued
Array ( [id] => 18280798 [patent_doc_number] => 20230096270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => SPLIT FLOW PROBE FOR REACTIVE RESERVOIR SAMPLING [patent_app_type] => utility [patent_app_number] => 18/075923 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6531 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18075923 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/075923
Split flow probe for reactive reservoir sampling Dec 5, 2022 Issued
Array ( [id] => 19630551 [patent_doc_number] => 20240409000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => FOUNDATION MACHINE EQUIPPED WITH AN INTERCHANGEABLE ELECTRIC STORAGE SYSTEM AND A HANDLING EQUIPMENT FOR THE STORAGE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/715659 [patent_app_country] => US [patent_app_date] => 2022-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18715659 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/715659
FOUNDATION MACHINE EQUIPPED WITH AN INTERCHANGEABLE ELECTRIC STORAGE SYSTEM AND A HANDLING EQUIPMENT FOR THE STORAGE SYSTEM Nov 29, 2022 Pending
Array ( [id] => 19709914 [patent_doc_number] => 20250020056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => WIRELESS SYSTEM FOR MONITORING DOWNHOLE PARAMETERS [patent_app_type] => utility [patent_app_number] => 18/713724 [patent_app_country] => US [patent_app_date] => 2022-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18713724 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/713724
Wireless system for monitoring downhole parameters Nov 20, 2022 Issued
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