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] => 18505104 [patent_doc_number] => 11702909 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => System with a ground drilling device and an input device and a method for controlling an operation of a ground drilling device [patent_app_type] => utility [patent_app_number] => 17/164361 [patent_app_country] => US [patent_app_date] => 2021-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 10502 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17164361 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/164361
System with a ground drilling device and an input device and a method for controlling an operation of a ground drilling device Jan 31, 2021 Issued
Array ( [id] => 16941543 [patent_doc_number] => 11053772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-06 [patent_title] => Methods and systems for preventing hydrostatic head within a well [patent_app_type] => utility [patent_app_number] => 17/162559 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4193 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17162559 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/162559
Methods and systems for preventing hydrostatic head within a well Jan 28, 2021 Issued
Array ( [id] => 16824949 [patent_doc_number] => 20210140242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => EQUIPMENT STRING COMMUNICATION AND STEERING [patent_app_type] => utility [patent_app_number] => 17/151809 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17151809 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/151809
Equipment string communication and steering Jan 18, 2021 Issued
Array ( [id] => 18764528 [patent_doc_number] => 11814917 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Surface pulse valve for inducing vibration in downhole tubulars [patent_app_type] => utility [patent_app_number] => 17/144593 [patent_app_country] => US [patent_app_date] => 2021-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4250 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [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] => 17144593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/144593
Surface pulse valve for inducing vibration in downhole tubulars Jan 7, 2021 Issued
Array ( [id] => 17721166 [patent_doc_number] => 20220213886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => DOWNHOLE PUMPING TOOLS [patent_app_type] => utility [patent_app_number] => 17/140009 [patent_app_country] => US [patent_app_date] => 2021-01-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7083 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17140009 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/140009
Downhole pumping tools Dec 31, 2020 Issued
Array ( [id] => 17923305 [patent_doc_number] => 11466542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [patent_title] => Downhole debris removal apparatus including a modular knockout chamber [patent_app_type] => utility [patent_app_number] => 17/124617 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4985 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17124617 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/124617
Downhole debris removal apparatus including a modular knockout chamber Dec 16, 2020 Issued
Array ( [id] => 17082746 [patent_doc_number] => 20210277752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => MODULAR PERFORATING GUN SYSTEM [patent_app_type] => utility [patent_app_number] => 17/123972 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9204 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17123972 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/123972
Modular perforating gun system Dec 15, 2020 Issued
Array ( [id] => 19778994 [patent_doc_number] => 12228018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Cluster gun system [patent_app_type] => utility [patent_app_number] => 17/757064 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 29 [patent_no_of_words] => 6852 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17757064 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/757064
Cluster gun system Dec 10, 2020 Issued
Array ( [id] => 16689017 [patent_doc_number] => 20210071493 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => UPHOLE END FOR A COMPRESSION-SET STRADDLE PACKER [patent_app_type] => utility [patent_app_number] => 17/101377 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3704 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17101377 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/101377
Uphole end for a compression-set straddle packer Nov 22, 2020 Issued
Array ( [id] => 16800813 [patent_doc_number] => 10995744 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-05-04 [patent_title] => Moving effort force point on a pumping unit [patent_app_type] => utility [patent_app_number] => 17/100908 [patent_app_country] => US [patent_app_date] => 2020-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 7741 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17100908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/100908
Moving effort force point on a pumping unit Nov 21, 2020 Issued
Array ( [id] => 17665785 [patent_doc_number] => 11359467 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-14 [patent_title] => Rotating electrical connection for perforating systems [patent_app_type] => utility [patent_app_number] => 17/088024 [patent_app_country] => US [patent_app_date] => 2020-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3859 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17088024 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/088024
Rotating electrical connection for perforating systems Nov 2, 2020 Issued
Array ( [id] => 17563803 [patent_doc_number] => 20220127952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => ASSEMBLY, INDICATING DEVICE, AND METHOD FOR INDICATING WINDOW MILLING IN A WELL [patent_app_type] => utility [patent_app_number] => 17/082662 [patent_app_country] => US [patent_app_date] => 2020-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7871 [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] => 17082662 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/082662
Assembly, indicating device, and method for indicating window milling in a well Oct 27, 2020 Issued
Array ( [id] => 17548827 [patent_doc_number] => 20220120168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => INTELLIGENTLY CHARACTERIZING RESERVOIRS VIA FLUORESCENT IMAGING ROCK CUTTINGS [patent_app_type] => utility [patent_app_number] => 17/075285 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10235 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17075285 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/075285
Intelligently characterizing reservoirs via fluorescent imaging rock cuttings Oct 19, 2020 Issued
Array ( [id] => 16599259 [patent_doc_number] => 20210025790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => Autonomous Soil Sampler [patent_app_type] => utility [patent_app_number] => 17/068137 [patent_app_country] => US [patent_app_date] => 2020-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6741 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17068137 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/068137
Autonomous soil sampler Oct 11, 2020 Issued
Array ( [id] => 16614329 [patent_doc_number] => 20210032982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => Autonomous tool [patent_app_type] => utility [patent_app_number] => 17/064407 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7578 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17064407 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/064407
Autonomous tool Oct 5, 2020 Issued
Array ( [id] => 16583453 [patent_doc_number] => 20210017855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-21 [patent_title] => Autonomous tool [patent_app_type] => utility [patent_app_number] => 17/064416 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7578 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17064416 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/064416
Autonomous tool Oct 5, 2020 Issued
Array ( [id] => 17845392 [patent_doc_number] => 11434751 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-06 [patent_title] => Autonomous tool [patent_app_type] => utility [patent_app_number] => 17/064399 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7578 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17064399 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/064399
Autonomous tool Oct 5, 2020 Issued
Array ( [id] => 17923299 [patent_doc_number] => 11466536 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [patent_title] => Hydraulic override for confined space [patent_app_type] => utility [patent_app_number] => 17/060221 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4942 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17060221 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/060221
Hydraulic override for confined space Sep 30, 2020 Issued
Array ( [id] => 17498063 [patent_doc_number] => 11286758 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-29 [patent_title] => Wellbore gun perforating system and method [patent_app_type] => utility [patent_app_number] => 17/026607 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 7968 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 17026607 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/026607
Wellbore gun perforating system and method Sep 20, 2020 Issued
Array ( [id] => 16557395 [patent_doc_number] => 20210002543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => MULTI-FUNCTIONAL SURFACTANT SOLUTION FOR IMPROVING HYDROCARBON RECOVERY [patent_app_type] => utility [patent_app_number] => 17/026391 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17026391 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/026391
Multi-functional surfactant solution for improving hydrocarbon recovery Sep 20, 2020 Issued
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