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] => 20921261 [patent_doc_number] => 12716310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-25 [patent_title] => Textile well cover [patent_app_type] => utility [patent_app_number] => 19/000627 [patent_app_country] => US [patent_app_date] => 2024-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19000627 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/000627
Textile Well Cover Dec 22, 2024 Pending
Array ( [id] => 20025552 [patent_doc_number] => 20250163774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL [patent_app_type] => utility [patent_app_number] => 18/968668 [patent_app_country] => US [patent_app_date] => 2024-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3891 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 18968668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/968668
Method and apparatus for dropping a pump down plug or ball Dec 3, 2024 Issued
Array ( [id] => 20959182 [patent_doc_number] => 12729609 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-09-08 [patent_title] => Perforator tool [patent_app_type] => utility [patent_app_number] => 18/964309 [patent_app_country] => US [patent_app_date] => 2024-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18964309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/964309
PERFORATOR TOOL Nov 28, 2024 Pending
Array ( [id] => 20493275 [patent_doc_number] => 12535141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Reduced stroke gate valve [patent_app_type] => utility [patent_app_number] => 18/951151 [patent_app_country] => US [patent_app_date] => 2024-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 1201 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18951151 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/951151
Reduced stroke gate valve Nov 17, 2024 Issued
Array ( [id] => 20921269 [patent_doc_number] => 12716318 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-25 [patent_title] => Mandrel assemblies for a plug and associated methods [patent_app_type] => utility [patent_app_number] => 18/949471 [patent_app_country] => US [patent_app_date] => 2024-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2206 [patent_no_of_claims] => 21 [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] => 18949471 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/949471
MANDREL ASSEMBLIES FOR A PLUG AND ASSOCIATED METHODS Nov 14, 2024 Pending
Array ( [id] => 19786171 [patent_doc_number] => 20250059850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => HYDRAULIC FRACTURING PLAN AND EXECUTION OF SAME [patent_app_type] => utility [patent_app_number] => 18/935865 [patent_app_country] => US [patent_app_date] => 2024-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18935865 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/935865
HYDRAULIC FRACTURING PLAN AND EXECUTION OF SAME Nov 3, 2024 Pending
Array ( [id] => 19786184 [patent_doc_number] => 20250059863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => METHOD FOR OPTIMIZATION OF HUFF-N-PUFF GAS INJECTION IN HYDROCARBON RESERVOIRS [patent_app_type] => utility [patent_app_number] => 18/936626 [patent_app_country] => US [patent_app_date] => 2024-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6372 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18936626 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/936626
Method for optimization of huff-n-puff gas injection in hydrocarbon reservoirs Nov 3, 2024 Issued
Array ( [id] => 19786168 [patent_doc_number] => 20250059847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => PROCESSES FOR INJECTION OF FLUIDS INTO A WELLBORE VIA DRILL PIPE [patent_app_type] => utility [patent_app_number] => 18/935061 [patent_app_country] => US [patent_app_date] => 2024-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18935061 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/935061
Processes for injection of fluids into a wellbore via drill pipe Oct 31, 2024 Issued
Array ( [id] => 20330249 [patent_doc_number] => 12460518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Perforating gun with self-orienting charge cartridge [patent_app_type] => utility [patent_app_number] => 18/886370 [patent_app_country] => US [patent_app_date] => 2024-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 68 [patent_figures_cnt] => 68 [patent_no_of_words] => 8602 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18886370 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/886370
Perforating gun with self-orienting charge cartridge Sep 15, 2024 Issued
Array ( [id] => 20789020 [patent_doc_number] => 12662927 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Systems and methods for controlling a downhole tool in a downhole environment [patent_app_type] => utility [patent_app_number] => 18/883063 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6309 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18883063 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883063
Systems and methods for controlling a downhole tool in a downhole environment Sep 11, 2024 Issued
Array ( [id] => 20608810 [patent_doc_number] => 12584402 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Method and apparatus for magnetic ranging while drilling [patent_app_type] => utility [patent_app_number] => 18/826924 [patent_app_country] => US [patent_app_date] => 2024-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 21 [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] => 18826924 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/826924
Method and apparatus for magnetic ranging while drilling Sep 5, 2024 Issued
Array ( [id] => 20506248 [patent_doc_number] => 12540520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => System for dislodging and extracting tubing from a wellbore [patent_app_type] => utility [patent_app_number] => 18/804557 [patent_app_country] => US [patent_app_date] => 2024-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 23 [patent_no_of_words] => 1128 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [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] => 18804557 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/804557
System for dislodging and extracting tubing from a wellbore Aug 13, 2024 Issued
Array ( [id] => 20302876 [patent_doc_number] => 12448858 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Roll-out apparatus, method, and system [patent_app_type] => utility [patent_app_number] => 18/793222 [patent_app_country] => US [patent_app_date] => 2024-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 22 [patent_no_of_words] => 3467 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18793222 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/793222
Roll-out apparatus, method, and system Aug 1, 2024 Issued
Array ( [id] => 20511914 [patent_doc_number] => 20260036015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-05 [patent_title] => REGULATING DISTRIBUTION OF INJECTION AND PRODUCTION FLUIDS TO ENHANCE HEAT RECOVERY IN GEOTHERMAL APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/793168 [patent_app_country] => US [patent_app_date] => 2024-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3723 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18793168 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/793168
Regulating distribution of injection and production fluids to enhance heat recovery in geothermal applications Aug 1, 2024 Issued
Array ( [id] => 19984550 [patent_doc_number] => 20250122772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => PRESSURE TRANSFER SLEEVE FOR TOP SLIP RETENTION [patent_app_type] => utility [patent_app_number] => 18/787748 [patent_app_country] => US [patent_app_date] => 2024-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18787748 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/787748
Pressure transfer sleeve for top slip retention Jul 28, 2024 Issued
Array ( [id] => 20486422 [patent_doc_number] => 20260022620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => BACK PRESSURE VALVE WITH CONTINGENCY RELEASE [patent_app_type] => utility [patent_app_number] => 18/775709 [patent_app_country] => US [patent_app_date] => 2024-07-17 [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] => -17 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18775709 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775709
BACK PRESSURE VALVE WITH CONTINGENCY RELEASE Jul 16, 2024 Pending
Array ( [id] => 19557167 [patent_doc_number] => 20240368959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => LINER HANGER SLIP RETENTION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/772734 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772734 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772734
Liner hanger slip retention system and method Jul 14, 2024 Issued
Array ( [id] => 19684765 [patent_doc_number] => 20250003310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => FRAC PLUG AND METHOD FOR MANUFACTURING SAME, AND METHOD FOR SEALING BOREHOLE [patent_app_type] => utility [patent_app_number] => 18/763176 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10467 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18763176 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/763176
Frac plug and method for manufacturing same, and method for sealing borehole Jul 2, 2024 Issued
Array ( [id] => 19684772 [patent_doc_number] => 20250003317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => DOWNHOLE IGNITION ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/760740 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18760740 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760740
Downhole ignition assembly Jun 30, 2024 Issued
Array ( [id] => 20445701 [patent_doc_number] => 20260002418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => APPARATUS FOR COUPLING AN ANTENNA TO CYLINDRICAL STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/760727 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18760727 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760727
APPARATUS FOR COUPLING AN ANTENNA TO CYLINDRICAL STRUCTURE Jun 30, 2024 Pending
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