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] => 16963538 [patent_doc_number] => 20210215037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => Devices, Systems, and Methods for Downhole Event Detection and Depth Determination [patent_app_type] => utility [patent_app_number] => 17/056019 [patent_app_country] => US [patent_app_date] => 2019-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5640 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 17056019 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/056019
Devices, systems, and methods for downhole event detection and depth determination May 16, 2019 Issued
Array ( [id] => 16500236 [patent_doc_number] => 10865614 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-15 [patent_title] => Systems and methods for setting an extreme-range anchor within a wellbore [patent_app_type] => utility [patent_app_number] => 16/414547 [patent_app_country] => US [patent_app_date] => 2019-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 7212 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16414547 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/414547
Systems and methods for setting an extreme-range anchor within a wellbore May 15, 2019 Issued
Array ( [id] => 14781517 [patent_doc_number] => 20190265656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-29 [patent_title] => WELLBORE NON-RETRIEVAL SENSING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/406257 [patent_app_country] => US [patent_app_date] => 2019-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16406257 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/406257
Wellbore non-retrieval sensing system May 7, 2019 Issued
Array ( [id] => 16492889 [patent_doc_number] => 10858918 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-08 [patent_title] => Method and system for lining a tubular [patent_app_type] => utility [patent_app_number] => 16/397861 [patent_app_country] => US [patent_app_date] => 2019-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 40 [patent_no_of_words] => 9132 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [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] => 16397861 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/397861
Method and system for lining a tubular Apr 28, 2019 Issued
Array ( [id] => 14716901 [patent_doc_number] => 20190249514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-15 [patent_title] => DOWNHOLE TOOL WITH FINGERED MEMBER [patent_app_type] => utility [patent_app_number] => 16/397771 [patent_app_country] => US [patent_app_date] => 2019-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16397771 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/397771
Downhole tool with fingered member Apr 28, 2019 Issued
Array ( [id] => 17673420 [patent_doc_number] => 20220186587 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => WELL UNLOADING VALVE [patent_app_type] => utility [patent_app_number] => 17/603313 [patent_app_country] => US [patent_app_date] => 2019-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2698 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17603313 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/603313
Well unloading valve Apr 14, 2019 Issued
Array ( [id] => 14898251 [patent_doc_number] => 20190292891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => REMOTE MOBILE OPERATION AND DIAGNOSTIC CENTER FOR FRAC SERVICES [patent_app_type] => utility [patent_app_number] => 16/384149 [patent_app_country] => US [patent_app_date] => 2019-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16384149 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/384149
Remote mobile operation and diagnostic center for frac services Apr 14, 2019 Issued
Array ( [id] => 16406873 [patent_doc_number] => 10815416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-27 [patent_title] => Multi-functional surfactant solution for improving hydrocarbon recovery [patent_app_type] => utility [patent_app_number] => 16/379367 [patent_app_country] => US [patent_app_date] => 2019-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3366 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16379367 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/379367
Multi-functional surfactant solution for improving hydrocarbon recovery Apr 8, 2019 Issued
Array ( [id] => 16840183 [patent_doc_number] => 20210148195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => METHODS FOR WELL CONSTRUCTION AND COMPLETION [patent_app_type] => utility [patent_app_number] => 17/044893 [patent_app_country] => US [patent_app_date] => 2019-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4134 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17044893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/044893
Methods for well construction and completion Apr 3, 2019 Issued
Array ( [id] => 14628263 [patent_doc_number] => 20190227499 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-25 [patent_title] => WELLBORE NON-RETRIEVAL SENSING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/374458 [patent_app_country] => US [patent_app_date] => 2019-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10485 [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] => 16374458 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/374458
Wellbore non-retrieval sensing system Apr 2, 2019 Issued
Array ( [id] => 17815919 [patent_doc_number] => 11421520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-23 [patent_title] => Drilling parameter optimization for automated well planning, drilling and guidance systems [patent_app_type] => utility [patent_app_number] => 15/733605 [patent_app_country] => US [patent_app_date] => 2019-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 14977 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15733605 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/733605
Drilling parameter optimization for automated well planning, drilling and guidance systems Mar 12, 2019 Issued
Array ( [id] => 18605175 [patent_doc_number] => 11746631 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Horizontal wellbore separation system and method [patent_app_type] => utility [patent_app_number] => 16/978484 [patent_app_country] => US [patent_app_date] => 2019-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 7111 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 16978484 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/978484
Horizontal wellbore separation system and method Mar 11, 2019 Issued
Array ( [id] => 16778686 [patent_doc_number] => 20210115764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => Minimize Trapped Fluid Impact On Expandable Liner Hangers In Geothermal Applications [patent_app_type] => utility [patent_app_number] => 16/629519 [patent_app_country] => US [patent_app_date] => 2019-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16629519 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/629519
Minimize trapped fluid impact on expandable liner hangers in geothermal applications Mar 10, 2019 Issued
Array ( [id] => 14502775 [patent_doc_number] => 20190195042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => SEALING AN UNDESIRABLE FORMATION ZONE IN THE WALL OF A WELLBORE [patent_app_type] => utility [patent_app_number] => 16/286908 [patent_app_country] => US [patent_app_date] => 2019-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16286908 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/286908
Sealing an undesirable formation zone in the wall of a wellbore Feb 26, 2019 Issued
Array ( [id] => 15055815 [patent_doc_number] => 10458199 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-29 [patent_title] => Sealing an undesirable formation zone in the wall of a wellbore [patent_app_type] => utility [patent_app_number] => 16/286865 [patent_app_country] => US [patent_app_date] => 2019-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 29 [patent_no_of_words] => 9868 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 16286865 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/286865
Sealing an undesirable formation zone in the wall of a wellbore Feb 26, 2019 Issued
Array ( [id] => 17330411 [patent_doc_number] => 11220865 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-11 [patent_title] => Downhole drilling apparatus with rotatable cutting element [patent_app_type] => utility [patent_app_number] => 16/284275 [patent_app_country] => US [patent_app_date] => 2019-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 2832 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16284275 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/284275
Downhole drilling apparatus with rotatable cutting element Feb 24, 2019 Issued
Array ( [id] => 16525933 [patent_doc_number] => 20200400013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => Autonomous tool [patent_app_type] => utility [patent_app_number] => 16/971976 [patent_app_country] => US [patent_app_date] => 2019-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -76 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16971976 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/971976
Autonomous tool Feb 21, 2019 Issued
Array ( [id] => 16704809 [patent_doc_number] => 10954731 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-23 [patent_title] => Foam cap drilling methods [patent_app_type] => utility [patent_app_number] => 16/283097 [patent_app_country] => US [patent_app_date] => 2019-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7772 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16283097 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/283097
Foam cap drilling methods Feb 21, 2019 Issued
Array ( [id] => 16557836 [patent_doc_number] => 20210002984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => APPARATUS FOR CLEARING A PLUGGED CONTROL LINE [patent_app_type] => utility [patent_app_number] => 16/977125 [patent_app_country] => US [patent_app_date] => 2019-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16977125 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/977125
Apparatus for clearing a plugged control line Feb 20, 2019 Issued
Array ( [id] => 16269490 [patent_doc_number] => 20200270977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => FLOW MANAGEMENT IN EXISTING WELLS DURING ADJACENT WELL HYDRAULIC FRACTURING [patent_app_type] => utility [patent_app_number] => 16/281460 [patent_app_country] => US [patent_app_date] => 2019-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16281460 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/281460
FLOW MANAGEMENT IN EXISTING WELLS DURING ADJACENT WELL HYDRAULIC FRACTURING Feb 20, 2019 Abandoned
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