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] => 18342172 [patent_doc_number] => 11639649 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-02 [patent_title] => Systems and methods for data analysis and asset management [patent_app_type] => utility [patent_app_number] => 16/786046 [patent_app_country] => US [patent_app_date] => 2020-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 14148 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16786046 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/786046
Systems and methods for data analysis and asset management Feb 9, 2020 Issued
Array ( [id] => 18182651 [patent_doc_number] => 20230043381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => DETECTING FLOW OBSTRUCTION EVENTS WITHIN A FLOW LINE USING ACOUSTIC FREQUENCY DOMAIN FEATURES [patent_app_type] => utility [patent_app_number] => 17/793058 [patent_app_country] => US [patent_app_date] => 2020-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24166 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17793058 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/793058
Detecting flow obstruction events within a flow line using acoustic frequency domain features Jan 23, 2020 Issued
Array ( [id] => 15964279 [patent_doc_number] => 20200165891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => SYSTEMS AND METHODS FOR PIPE CONCENTRICITY, ZONAL ISOLATION, AND STUCK PIPE PREVENTION [patent_app_type] => utility [patent_app_number] => 16/748552 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5519 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16748552 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/748552
Systems and methods for pipe concentricity, zonal isolation, and stuck pipe prevention Jan 20, 2020 Issued
Array ( [id] => 17045366 [patent_doc_number] => 11098536 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-24 [patent_title] => Methods and apparatus for operatively mounting actuators to pipe [patent_app_type] => utility [patent_app_number] => 16/726142 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 55 [patent_no_of_words] => 17532 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16726142 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/726142
Methods and apparatus for operatively mounting actuators to pipe Dec 22, 2019 Issued
Array ( [id] => 17429081 [patent_doc_number] => 20220056789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => PERFORATING GUN WITH SWITCH CARTRIDGE [patent_app_type] => utility [patent_app_number] => 17/312530 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17312530 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/312530
PERFORATING GUN WITH SWITCH CARTRIDGE Dec 19, 2019 Abandoned
Array ( [id] => 16801696 [patent_doc_number] => 10996637 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-04 [patent_title] => Wellbore non-retrieval sensing system [patent_app_type] => utility [patent_app_number] => 16/720267 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 10549 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16720267 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/720267
Wellbore non-retrieval sensing system Dec 18, 2019 Issued
Array ( [id] => 17357407 [patent_doc_number] => 20220018203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => TUBING HANGER WITH SHIFTABLE ANNULUS SEAL [patent_app_type] => utility [patent_app_number] => 17/414809 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4749 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17414809 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/414809
Tubing hanger with shiftable annulus seal Dec 16, 2019 Issued
Array ( [id] => 16886106 [patent_doc_number] => 20210172301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => AUTOMATIC DETERMINATION OF PUMPING METHODS [patent_app_type] => utility [patent_app_number] => 16/708813 [patent_app_country] => US [patent_app_date] => 2019-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16708813 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/708813
AUTOMATIC DETERMINATION OF PUMPING METHODS Dec 9, 2019 Abandoned
Array ( [id] => 17421715 [patent_doc_number] => 11255160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Unblocking wellbores [patent_app_type] => utility [patent_app_number] => 16/707460 [patent_app_country] => US [patent_app_date] => 2019-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 4737 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [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] => 16707460 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/707460
Unblocking wellbores Dec 8, 2019 Issued
Array ( [id] => 16650483 [patent_doc_number] => 10927648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Apparatus and method for abrasive perforating and clean-out [patent_app_type] => utility [patent_app_number] => 16/698858 [patent_app_country] => US [patent_app_date] => 2019-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 30 [patent_no_of_words] => 14992 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16698858 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/698858
Apparatus and method for abrasive perforating and clean-out Nov 26, 2019 Issued
Array ( [id] => 17876040 [patent_doc_number] => 11448044 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Universal plug and play perforating gun tandem [patent_app_type] => utility [patent_app_number] => 17/059992 [patent_app_country] => US [patent_app_date] => 2019-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3667 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17059992 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/059992
Universal plug and play perforating gun tandem Nov 26, 2019 Issued
Array ( [id] => 15650973 [patent_doc_number] => 20200088016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => METHOD FOR OPTIMIZATION OF HUFF-N-PUFF GAS INJECTIONS IN HYDROCARBON RESERVOIRS [patent_app_type] => utility [patent_app_number] => 16/694817 [patent_app_country] => US [patent_app_date] => 2019-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6368 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16694817 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/694817
Method for optimization of huff-n-puff gas injections in hydrocarbon reservoirs Nov 24, 2019 Issued
Array ( [id] => 15650997 [patent_doc_number] => 20200088028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => SYSTEM AND METHOD FOR DUAL TELEMETRY NOISE REDUCTION [patent_app_type] => utility [patent_app_number] => 16/687456 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16687456 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/687456
System and method for dual telemetry noise reduction Nov 17, 2019 Issued
Array ( [id] => 16650458 [patent_doc_number] => 10927623 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Multi-cycle wellbore clean-out tool [patent_app_type] => utility [patent_app_number] => 16/686955 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 43 [patent_no_of_words] => 17251 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16686955 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/686955
Multi-cycle wellbore clean-out tool Nov 17, 2019 Issued
Array ( [id] => 15899741 [patent_doc_number] => 20200149389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => SURFACE COMPLETION SYSTEM FOR OPERATIONS AND MONITORING [patent_app_type] => utility [patent_app_number] => 16/681314 [patent_app_country] => US [patent_app_date] => 2019-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7770 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16681314 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/681314
Surface completion system for operations and monitoring Nov 11, 2019 Issued
Array ( [id] => 16999937 [patent_doc_number] => 11078738 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-03 [patent_title] => Hydraulically activated setting tool and method [patent_app_type] => utility [patent_app_number] => 16/675649 [patent_app_country] => US [patent_app_date] => 2019-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6821 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16675649 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/675649
Hydraulically activated setting tool and method Nov 5, 2019 Issued
Array ( [id] => 18444908 [patent_doc_number] => 11680468 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Multi-gun cluster carrier [patent_app_type] => utility [patent_app_number] => 17/293545 [patent_app_country] => US [patent_app_date] => 2019-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 4026 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17293545 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/293545
Multi-gun cluster carrier Nov 4, 2019 Issued
Array ( [id] => 17998293 [patent_doc_number] => 11499391 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Dissolvable object with a cavity and a fluid entry point [patent_app_type] => utility [patent_app_number] => 17/275491 [patent_app_country] => US [patent_app_date] => 2019-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 26 [patent_no_of_words] => 6690 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 17275491 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/275491
Dissolvable object with a cavity and a fluid entry point Oct 24, 2019 Issued
Array ( [id] => 17845360 [patent_doc_number] => 11434717 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-06 [patent_title] => Method and apparatus for providing a plug with a deformable expandable continuous ring creating a fluid barrier [patent_app_type] => utility [patent_app_number] => 17/275526 [patent_app_country] => US [patent_app_date] => 2019-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 54 [patent_no_of_words] => 10254 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [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] => 17275526 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/275526
Method and apparatus for providing a plug with a deformable expandable continuous ring creating a fluid barrier Oct 23, 2019 Issued
Array ( [id] => 15497601 [patent_doc_number] => 20200048989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-13 [patent_title] => Method and Apparatus for Wellbore Fluid Treatment [patent_app_type] => utility [patent_app_number] => 16/654878 [patent_app_country] => US [patent_app_date] => 2019-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16654878 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/654878
Method and Apparatus for Wellbore Fluid Treatment Oct 15, 2019 Abandoned
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