Search

Daniel P. Stephenson

Examiner (ID: 10464, Phone: (571)272-7035 , Office: P/3676 )

Most Active Art Unit
3676
Art Unit(s)
3673, 3676, 3672
Total Applications
1997
Issued Applications
1667
Pending Applications
111
Abandoned Applications
237

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19512719 [patent_doc_number] => 20240344405 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => Travel Joint With Telescoping Control Lines [patent_app_type] => utility [patent_app_number] => 18/757241 [patent_app_country] => US [patent_app_date] => 2024-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6771 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18757241 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/757241
Travel joint with telescoping control lines Jun 26, 2024 Issued
Array ( [id] => 19631798 [patent_doc_number] => 20240410247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => POWERED CLAMP CLOSURE MECHANISM [patent_app_type] => utility [patent_app_number] => 18/743740 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3295 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18743740 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/743740
Powered clamp closure mechanism Jun 13, 2024 Issued
Array ( [id] => 20527748 [patent_doc_number] => 12546176 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Wireline pressure control string with pumpdown assembly [patent_app_type] => utility [patent_app_number] => 18/738461 [patent_app_country] => US [patent_app_date] => 2024-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1243 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18738461 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/738461
Wireline pressure control string with pumpdown assembly Jun 9, 2024 Issued
Array ( [id] => 19962151 [patent_doc_number] => 12331640 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Steering valve for deactivating a steering pad of a rotary steerable system [patent_app_type] => utility [patent_app_number] => 18/737360 [patent_app_country] => US [patent_app_date] => 2024-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4598 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18737360 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/737360
Steering valve for deactivating a steering pad of a rotary steerable system Jun 6, 2024 Issued
Array ( [id] => 19587068 [patent_doc_number] => 20240384625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => DRILL STRING MOUNTABLE WELLBORE CLEANUP APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 18/669158 [patent_app_country] => US [patent_app_date] => 2024-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8731 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18669158 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/669158
Drill string mountable wellbore cleanup apparatus and method May 19, 2024 Issued
Array ( [id] => 20364663 [patent_doc_number] => 20250354475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => INTEGRATING ETHERNET TECHNOLOGY WITHIN DRILLING SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/664612 [patent_app_country] => US [patent_app_date] => 2024-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18664612 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/664612
INTEGRATING ETHERNET TECHNOLOGY WITHIN DRILLING SYSTEMS May 14, 2024 Pending
Array ( [id] => 20330242 [patent_doc_number] => 12460511 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Drill stem greasing device and method [patent_app_type] => utility [patent_app_number] => 18/662048 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18662048 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/662048
Drill stem greasing device and method May 12, 2024 Issued
Array ( [id] => 19404375 [patent_doc_number] => 20240287886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => PENETRATOR AND DISPENSERS AND METHODS OF USE [patent_app_type] => utility [patent_app_number] => 18/652663 [patent_app_country] => US [patent_app_date] => 2024-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 18652663 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/652663
Penetrator and dispensers and methods of use Apr 30, 2024 Issued
Array ( [id] => 19863062 [patent_doc_number] => 20250101848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => FLOW DIVERTER AND SEPARATOR FOR DOWNHOLE SEPARATION IN A MULTI-BORE WELL [patent_app_type] => utility [patent_app_number] => 18/648824 [patent_app_country] => US [patent_app_date] => 2024-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22469 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 18648824 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648824
Flow diverter and separator for downhole separation in a multi-bore well Apr 28, 2024 Issued
Array ( [id] => 20579043 [patent_doc_number] => 12571287 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Wellhead automatic positioning method and system of plugging and perforating operation machine [patent_app_type] => utility [patent_app_number] => 18/641235 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18641235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/641235
Wellhead automatic positioning method and system of plugging and perforating operation machine Apr 18, 2024 Issued
Array ( [id] => 19512729 [patent_doc_number] => 20240344415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => DOWNHOLE TOOL WITH SELF- ORIENTING SWIVEL AND METHOD OF USING SAME [patent_app_type] => utility [patent_app_number] => 18/633782 [patent_app_country] => US [patent_app_date] => 2024-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18633782 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/633782
DOWNHOLE TOOL WITH SELF- ORIENTING SWIVEL AND METHOD OF USING SAME Apr 11, 2024 Pending
Array ( [id] => 19512728 [patent_doc_number] => 20240344414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => DOWNHOLE ANCHORING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/629862 [patent_app_country] => US [patent_app_date] => 2024-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13716 [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] => 18629862 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/629862
DOWNHOLE ANCHORING ASSEMBLY Apr 7, 2024 Pending
Array ( [id] => 20288902 [patent_doc_number] => 20250314145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => PACKER ASSEMBLY WITH EXPANDABLE SPACER [patent_app_type] => utility [patent_app_number] => 18/625553 [patent_app_country] => US [patent_app_date] => 2024-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1232 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18625553 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/625553
Packer assembly with expandable spacer Apr 2, 2024 Issued
Array ( [id] => 19364834 [patent_doc_number] => 20240266868 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => Power Management at a Wellsite [patent_app_type] => utility [patent_app_number] => 18/615388 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33360 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18615388 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615388
Power management at a wellsite Mar 24, 2024 Issued
Array ( [id] => 20194182 [patent_doc_number] => 20250270892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => RATCHETING SETTING TOOL FOR AN EXPANDABLE SEAL IN A WELLBORE [patent_app_type] => utility [patent_app_number] => 18/590085 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18590085 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/590085
Ratcheting setting tool for an expandable seal in a wellbore Feb 27, 2024 Issued
Array ( [id] => 20694546 [patent_doc_number] => 20260125952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-07 [patent_title] => DEVICE AND ITS APPLICATION METHOD FOR IN-SITU CUTTING SOIL IN BOREHOLE [patent_app_type] => utility [patent_app_number] => 18/703730 [patent_app_country] => US [patent_app_date] => 2024-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3560 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18703730 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/703730
DEVICE AND ITS APPLICATION METHOD FOR IN-SITU CUTTING SOIL IN BOREHOLE Feb 21, 2024 Pending
Array ( [id] => 20302892 [patent_doc_number] => 12448874 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Perforating gun firing switch [patent_app_type] => utility [patent_app_number] => 18/435485 [patent_app_country] => US [patent_app_date] => 2024-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18435485 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/435485
Perforating gun firing switch Feb 6, 2024 Issued
Array ( [id] => 19884588 [patent_doc_number] => 12270284 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Perforating gun having grounding assembly [patent_app_type] => utility [patent_app_number] => 18/431084 [patent_app_country] => US [patent_app_date] => 2024-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 43 [patent_no_of_words] => 14028 [patent_no_of_claims] => 25 [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] => 18431084 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/431084
Perforating gun having grounding assembly Feb 1, 2024 Issued
Array ( [id] => 20402656 [patent_doc_number] => 12492627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Intelligent underbalanced coiled tubing drilling (UBCTD) geosteering operations advisory system and method of use [patent_app_type] => utility [patent_app_number] => 18/408749 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8780 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408749 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408749
Intelligent underbalanced coiled tubing drilling (UBCTD) geosteering operations advisory system and method of use Jan 9, 2024 Issued
Array ( [id] => 19916587 [patent_doc_number] => 12291946 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-06 [patent_title] => Downhole perforating gun system and methods of manufacture, assembly and use [patent_app_type] => utility [patent_app_number] => 18/407109 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 44 [patent_no_of_words] => 10938 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18407109 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407109
Downhole perforating gun system and methods of manufacture, assembly and use Jan 7, 2024 Issued
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