Search

Daniel P. Stephenson

Examiner (ID: 15142, Phone: (571)272-7035 , Office: P/3676 )

Most Active Art Unit
3676
Art Unit(s)
3676, 3673, 3672
Total Applications
1986
Issued Applications
1657
Pending Applications
112
Abandoned Applications
237

Applications

Application numberTitle of the applicationFiling DateStatus
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] => 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
Array ( [id] => 20085839 [patent_doc_number] => 20250215775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => RESISTIVITY INVERSION INTERPRETATION BY AI ASSISTANT DURING GEOSTEERING JOB [patent_app_type] => utility [patent_app_number] => 18/402190 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18402190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402190
RESISTIVITY INVERSION INTERPRETATION BY AI ASSISTANT DURING GEOSTEERING JOB Jan 1, 2024 Pending
Array ( [id] => 19266005 [patent_doc_number] => 20240209704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => Direct-to-Gun Setting Tool [patent_app_type] => utility [patent_app_number] => 18/392290 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9173 [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] => 18392290 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/392290
Direct-to-Gun Setting Tool Dec 20, 2023 Pending
Array ( [id] => 19098467 [patent_doc_number] => 20240117695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => PNEUMATIC TRANSPORT SYSTEM AND METHOD FOR WELLBORE OPERATIONS [patent_app_type] => utility [patent_app_number] => 18/542044 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18542044 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/542044
Pneumatic transport system and method for wellbore operations Dec 14, 2023 Issued
Array ( [id] => 19676477 [patent_doc_number] => 12188329 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Apparatus, system and method for regulating a control mechanism of a well [patent_app_type] => utility [patent_app_number] => 18/517602 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 35 [patent_no_of_words] => 20890 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18517602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/517602
Apparatus, system and method for regulating a control mechanism of a well Nov 21, 2023 Issued
Array ( [id] => 19731492 [patent_doc_number] => 12209483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Apparatus, system and method for regulating a control mechanism of a well [patent_app_type] => utility [patent_app_number] => 18/517584 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 35 [patent_no_of_words] => 20892 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18517584 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/517584
Apparatus, system and method for regulating a control mechanism of a well Nov 21, 2023 Issued
Array ( [id] => 20187529 [patent_doc_number] => 12398637 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Identifying bit wear and justifying bit trip [patent_app_type] => utility [patent_app_number] => 18/514223 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3335 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18514223 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514223
Identifying bit wear and justifying bit trip Nov 19, 2023 Issued
Array ( [id] => 19668069 [patent_doc_number] => 12180803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Methods and systems for a frac plug [patent_app_type] => utility [patent_app_number] => 18/510282 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7557 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18510282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/510282
Methods and systems for a frac plug Nov 14, 2023 Issued
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