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] => 20708367 [patent_doc_number] => 20260132695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-14 [patent_title] => LEAK CONTAINMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 19/445228 [patent_app_country] => US [patent_app_date] => 2026-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 19445228 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/445228
LEAK CONTAINMENT SYSTEM Jan 8, 2026 Pending
Array ( [id] => 20519212 [patent_doc_number] => 20260043316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => HIGH SOLIDS CONTENT FLUID TECHNIQUES [patent_app_type] => utility [patent_app_number] => 19/361553 [patent_app_country] => US [patent_app_date] => 2025-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19361553 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/361553
HIGH SOLIDS CONTENT FLUID TECHNIQUES Oct 16, 2025 Pending
Array ( [id] => 20459871 [patent_doc_number] => 20260009294 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => Drill Bits Having Reinforced Face [patent_app_type] => utility [patent_app_number] => 19/325049 [patent_app_country] => US [patent_app_date] => 2025-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 19325049 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/325049
Drill Bits Having Reinforced Face Sep 9, 2025 Pending
Array ( [id] => 20427097 [patent_doc_number] => 20250389185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => WIRELINE CONVEYED CASING TEST TOOL [patent_app_type] => utility [patent_app_number] => 19/315005 [patent_app_country] => US [patent_app_date] => 2025-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7211 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19315005 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/315005
WIRELINE CONVEYED CASING TEST TOOL Aug 28, 2025 Pending
Array ( [id] => 20407793 [patent_doc_number] => 20250376902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => LATCH COLLET INCLUDING UNIQUE COLLET PROP BUTTONS [patent_app_type] => utility [patent_app_number] => 19/307314 [patent_app_country] => US [patent_app_date] => 2025-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 19307314 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/307314
LATCH COLLET INCLUDING UNIQUE COLLET PROP BUTTONS Aug 21, 2025 Pending
Array ( [id] => 20379292 [patent_doc_number] => 20250361785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => DOWNHOLE SETTING ASSEMBLY WITH SWITCH MODULE [patent_app_type] => utility [patent_app_number] => 19/290732 [patent_app_country] => US [patent_app_date] => 2025-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 19290732 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/290732
DOWNHOLE SETTING ASSEMBLY WITH SWITCH MODULE Aug 4, 2025 Pending
Array ( [id] => 20379291 [patent_doc_number] => 20250361784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => INITIATOR SYSTEM PROVIDING SET CONFIRMATION FROM PLUG SETTING TOOL IN DOWNHOLE WELL [patent_app_type] => utility [patent_app_number] => 19/287386 [patent_app_country] => US [patent_app_date] => 2025-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 19287386 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/287386
INITIATOR SYSTEM PROVIDING SET CONFIRMATION FROM PLUG SETTING TOOL IN DOWNHOLE WELL Jul 30, 2025 Pending
Array ( [id] => 20350352 [patent_doc_number] => 20250347204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => APPARATUS AND METHOD FOR MILLING OPENINGS IN AN UNCEMENTED BLANK PIPE [patent_app_type] => utility [patent_app_number] => 19/273311 [patent_app_country] => US [patent_app_date] => 2025-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3650 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 19273311 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/273311
APPARATUS AND METHOD FOR MILLING OPENINGS IN AN UNCEMENTED BLANK PIPE Jul 17, 2025 Pending
Array ( [id] => 20672342 [patent_doc_number] => 12612846 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Catcher assembly for a plunger [patent_app_type] => utility [patent_app_number] => 19/247046 [patent_app_country] => US [patent_app_date] => 2025-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 32 [patent_no_of_words] => 2330 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19247046 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/247046
Catcher assembly for a plunger Jun 23, 2025 Issued
19/140154 PACK SCREEN AND BYPASS CONNECTOR CONFIGURED TO CONNECT TO PACK SCREEN Jun 16, 2025 Pending
19/139343 SEGMENTED EXPANDING GUN FOR PLUG AND ABANDONMENT APPLICATIONS Jun 14, 2025 Pending
Array ( [id] => 20207828 [patent_doc_number] => 20250277548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => DOWNHOLE TOOL WITH CRACK COMPLIANT SEAL AND MECHANICAL STRENGTHENING FEATURE AT A JOINT THEREOF [patent_app_type] => utility [patent_app_number] => 19/210231 [patent_app_country] => US [patent_app_date] => 2025-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4352 [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] => 19210231 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/210231
DOWNHOLE TOOL WITH CRACK COMPLIANT SEAL AND MECHANICAL STRENGTHENING FEATURE AT A JOINT THEREOF May 15, 2025 Pending
Array ( [id] => 20207692 [patent_doc_number] => 20250277412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [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] => 19/210156 [patent_app_country] => US [patent_app_date] => 2025-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -46 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19210156 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/210156
DOWNHOLE TOOL WITH CRACK COMPLIANT SEAL AND HIGH YIELD STRENGTH WELD POSITIONED AT A JOINT THEREOF May 15, 2025 Pending
Array ( [id] => 20350340 [patent_doc_number] => 20250347192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => DOWNHOLE BALL RELEASE DEVICE [patent_app_type] => utility [patent_app_number] => 19/206162 [patent_app_country] => US [patent_app_date] => 2025-05-13 [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] => -18 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19206162 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/206162
DOWNHOLE BALL RELEASE DEVICE May 12, 2025 Pending
Array ( [id] => 20393866 [patent_doc_number] => 20250369341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => TOOLS, SYSTEMS, AND METHODS FOR DOWNHOLE MONITORING [patent_app_type] => utility [patent_app_number] => 19/202293 [patent_app_country] => US [patent_app_date] => 2025-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3056 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19202293 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/202293
TOOLS, SYSTEMS, AND METHODS FOR DOWNHOLE MONITORING May 7, 2025 Pending
Array ( [id] => 20337025 [patent_doc_number] => 20250341145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => DOWNHOLE TOOL WITH PUMP OUT SEAT [patent_app_type] => utility [patent_app_number] => 19/197878 [patent_app_country] => US [patent_app_date] => 2025-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4702 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19197878 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/197878
DOWNHOLE TOOL WITH PUMP OUT SEAT May 1, 2025 Pending
Array ( [id] => 20165583 [patent_doc_number] => 20250257629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => DATA ACQUISITION SYSTEM AND METHOD APPLIED TO PETROLEUM EXPLORATION ENGINEERING [patent_app_type] => utility [patent_app_number] => 19/195606 [patent_app_country] => US [patent_app_date] => 2025-04-30 [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] => -18 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19195606 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/195606
DATA ACQUISITION SYSTEM AND METHOD APPLIED TO PETROLEUM EXPLORATION ENGINEERING Apr 29, 2025 Pending
Array ( [id] => 20321959 [patent_doc_number] => 20250334047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => DOWNHOLE TOOL, WELL SYSTEM, AND METHOD EMPLOYING A SENSOR POSITIONED PROXIMATE A SPINNING FEATURE OF A DOWNHOLE DEVICE, THE SENSOR CONFIGURED TO SENSE FOR A CHANGE IN NOISE EMANATING FROM THE SPINNING FEATURE [patent_app_type] => utility [patent_app_number] => 19/187364 [patent_app_country] => US [patent_app_date] => 2025-04-23 [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] => -23 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19187364 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/187364
DOWNHOLE TOOL, WELL SYSTEM, AND METHOD EMPLOYING A SENSOR POSITIONED PROXIMATE A SPINNING FEATURE OF A DOWNHOLE DEVICE, THE SENSOR CONFIGURED TO SENSE FOR A CHANGE IN NOISE EMANATING FROM THE SPINNING FEATURE Apr 22, 2025 Pending
Array ( [id] => 20151057 [patent_doc_number] => 20250250895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => DATA LOGGER AND DATA ACQUISITION HYDRAULIC FRACTURING PROCESS [patent_app_type] => utility [patent_app_number] => 19/183683 [patent_app_country] => US [patent_app_date] => 2025-04-18 [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] => -11 [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] => 19183683 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/183683
DATA LOGGER AND DATA ACQUISITION HYDRAULIC FRACTURING PROCESS Apr 17, 2025 Issued
Array ( [id] => 20608788 [patent_doc_number] => 12584380 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Combination landing and float collar [patent_app_type] => utility [patent_app_number] => 19/179048 [patent_app_country] => US [patent_app_date] => 2025-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 22 [patent_no_of_words] => 6150 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19179048 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/179048
Combination landing and float collar Apr 14, 2025 Issued
Menu