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] => 19044031 [patent_doc_number] => 11933123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Anchoring a progressive cavity pump in a wellbore [patent_app_type] => utility [patent_app_number] => 17/695260 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4282 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17695260 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/695260
Anchoring a progressive cavity pump in a wellbore Mar 14, 2022 Issued
Array ( [id] => 18628869 [patent_doc_number] => 20230287749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => ISOLATED ELECTRICAL SUBMERSIBLE PUMP (ESP) MOTOR TERMINATION [patent_app_type] => utility [patent_app_number] => 17/694461 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2552 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17694461 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/694461
Isolated electrical submersible pump (ESP) motor Mar 13, 2022 Issued
Array ( [id] => 19173141 [patent_doc_number] => 20240159115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => METHOD AND SYSTEM FOR DETECTING A LOOSENED JOINT OF A DRILL STRING [patent_app_type] => utility [patent_app_number] => 18/551208 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7551 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18551208 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/551208
Method and system for detecting a loosened joint of a drill string Mar 9, 2022 Issued
Array ( [id] => 19142921 [patent_doc_number] => 20240141775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => SURVEY TOOL SYSTEM FOR BLAST HOLE DRILLING RIGS [patent_app_type] => utility [patent_app_number] => 18/549116 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18549116 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/549116
SURVEY TOOL SYSTEM FOR BLAST HOLE DRILLING RIGS Mar 6, 2022 Pending
Array ( [id] => 18613011 [patent_doc_number] => 20230279747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Downhole Wellbore Systems For Generating Electricity [patent_app_type] => utility [patent_app_number] => 17/685256 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17685256 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/685256
Downhole wellbore systems for generating electricity Mar 1, 2022 Issued
Array ( [id] => 18399683 [patent_doc_number] => 11661812 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Fluid barriers for dissolvable plugs [patent_app_type] => utility [patent_app_number] => 17/682005 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4982 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17682005 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682005
Fluid barriers for dissolvable plugs Feb 27, 2022 Issued
Array ( [id] => 18794375 [patent_doc_number] => 11828135 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Full-bore iris isolation valve [patent_app_type] => utility [patent_app_number] => 17/682305 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4526 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17682305 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682305
Full-bore iris isolation valve Feb 27, 2022 Issued
Array ( [id] => 19565218 [patent_doc_number] => 12139982 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Determining properties of wellbore fluid systems [patent_app_type] => utility [patent_app_number] => 18/547536 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 12292 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18547536 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/547536
Determining properties of wellbore fluid systems Feb 24, 2022 Issued
Array ( [id] => 19067953 [patent_doc_number] => 20240102379 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => PARK POSITION FOR A SURVEY TOOL [patent_app_type] => utility [patent_app_number] => 18/264373 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18264373 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/264373
Park position for a survey tool Feb 22, 2022 Issued
Array ( [id] => 17876031 [patent_doc_number] => 11448035 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-20 [patent_title] => Modular downhole plug tool [patent_app_type] => utility [patent_app_number] => 17/676377 [patent_app_country] => US [patent_app_date] => 2022-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 23 [patent_no_of_words] => 4834 [patent_no_of_claims] => 18 [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] => 17676377 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/676377
Modular downhole plug tool Feb 20, 2022 Issued
Array ( [id] => 18917035 [patent_doc_number] => 11879307 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Object carrier, tool, method, and system [patent_app_type] => utility [patent_app_number] => 17/668907 [patent_app_country] => US [patent_app_date] => 2022-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2489 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17668907 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/668907
Object carrier, tool, method, and system Feb 9, 2022 Issued
Array ( [id] => 18980626 [patent_doc_number] => 11905787 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Degradable deformable diverters and seals [patent_app_type] => utility [patent_app_number] => 17/669063 [patent_app_country] => US [patent_app_date] => 2022-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 17904 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [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] => 17669063 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/669063
Degradable deformable diverters and seals Feb 9, 2022 Issued
Array ( [id] => 19242397 [patent_doc_number] => 12012820 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => System and method for hanger with debris pocket [patent_app_type] => utility [patent_app_number] => 17/579979 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 6521 [patent_no_of_claims] => 19 [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] => 17579979 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/579979
System and method for hanger with debris pocket Jan 19, 2022 Issued
Array ( [id] => 18492562 [patent_doc_number] => 11697973 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Modular downhole packer [patent_app_type] => utility [patent_app_number] => 17/576608 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2895 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17576608 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/576608
Modular downhole packer Jan 13, 2022 Issued
Array ( [id] => 18605193 [patent_doc_number] => 11746649 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Leak detection for electric submersible pump systems [patent_app_type] => utility [patent_app_number] => 17/647677 [patent_app_country] => US [patent_app_date] => 2022-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 6855 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17647677 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647677
Leak detection for electric submersible pump systems Jan 10, 2022 Issued
Array ( [id] => 20350324 [patent_doc_number] => 20250347176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => Sealed cobalt leaching device, reagent,use of method for cobalt leaching and polycrystalline diamond composite sheet [patent_app_type] => utility [patent_app_number] => 18/260410 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3314 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18260410 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/260410
Sealed cobalt leaching device, reagent,use of method for cobalt leaching and polycrystalline diamond composite sheet Dec 26, 2021 Pending
Array ( [id] => 20227560 [patent_doc_number] => 12416204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Drill bits having reinforced face [patent_app_type] => utility [patent_app_number] => 18/270311 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 26 [patent_no_of_words] => 11060 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18270311 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/270311
Drill bits having reinforced face Dec 20, 2021 Issued
Array ( [id] => 18854450 [patent_doc_number] => 11852014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Preventing plugging of a downhole shut-in device in a wellbore [patent_app_type] => utility [patent_app_number] => 17/555272 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 8831 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17555272 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/555272
Preventing plugging of a downhole shut-in device in a wellbore Dec 16, 2021 Issued
Array ( [id] => 19014320 [patent_doc_number] => 11921246 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Measurement of poroelastic pressure response [patent_app_type] => utility [patent_app_number] => 17/554986 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 2724 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17554986 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/554986
Measurement of poroelastic pressure response Dec 16, 2021 Issued
Array ( [id] => 17673424 [patent_doc_number] => 20220186591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => FLOW CONTROL VALVE FOR USE IN COMPLETION OF A WELLBORE [patent_app_type] => utility [patent_app_number] => 17/552262 [patent_app_country] => US [patent_app_date] => 2021-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3648 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17552262 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/552262
FLOW CONTROL VALVE FOR USE IN COMPLETION OF A WELLBORE Dec 14, 2021 Abandoned
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