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] => 19551249 [patent_doc_number] => 12134949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Processes for injection of fluids into a wellbore [patent_app_type] => utility [patent_app_number] => 18/069365 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 12277 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18069365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/069365
Processes for injection of fluids into a wellbore Dec 20, 2022 Issued
Array ( [id] => 19196775 [patent_doc_number] => 11994005 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-28 [patent_title] => Eliminating sticky materials accumulation on production logging tools [patent_app_type] => utility [patent_app_number] => 18/069333 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4037 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18069333 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/069333
Eliminating sticky materials accumulation on production logging tools Dec 20, 2022 Issued
Array ( [id] => 18399685 [patent_doc_number] => 11661814 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-05-30 [patent_title] => Methods and systems for fracing and casing pressuring [patent_app_type] => utility [patent_app_number] => 18/083662 [patent_app_country] => US [patent_app_date] => 2022-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7561 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18083662 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/083662
Methods and systems for fracing and casing pressuring Dec 18, 2022 Issued
Array ( [id] => 19676463 [patent_doc_number] => 12188315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Expandable packer assembly and setting assembly [patent_app_type] => utility [patent_app_number] => 18/702136 [patent_app_country] => US [patent_app_date] => 2022-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4252 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18702136 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/702136
Expandable packer assembly and setting assembly Dec 4, 2022 Issued
Array ( [id] => 20763162 [patent_doc_number] => 20260160142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-11 [patent_title] => OPERATING CONTROL ELEMENTS REMOTELY [patent_app_type] => utility [patent_app_number] => 18/709992 [patent_app_country] => US [patent_app_date] => 2022-11-15 [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] => -28 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18709992 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/709992
OPERATING CONTROL ELEMENTS REMOTELY Nov 14, 2022 Pending
Array ( [id] => 19173148 [patent_doc_number] => 20240159122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => LINER TOP DIAGNOSTIC TOOL [patent_app_type] => utility [patent_app_number] => 17/986593 [patent_app_country] => US [patent_app_date] => 2022-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7923 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17986593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/986593
Liner top diagnostic tool Nov 13, 2022 Issued
Array ( [id] => 18361316 [patent_doc_number] => 20230142907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => FRANGIBLE ELECTRICAL CONTACT FOR A PERFORATING GUN SYSTEM [patent_app_type] => utility [patent_app_number] => 17/982206 [patent_app_country] => US [patent_app_date] => 2022-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8671 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 17982206 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/982206
Frangible electrical contact for a perforating gun system Nov 6, 2022 Issued
Array ( [id] => 18325196 [patent_doc_number] => 20230123324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL [patent_app_type] => utility [patent_app_number] => 17/975838 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 17975838 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/975838
Method and apparatus for dropping a pump down plug or ball Oct 27, 2022 Issued
Array ( [id] => 19326420 [patent_doc_number] => 12044089 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => System and method for installing or retrieving a pressure cap assembly [patent_app_type] => utility [patent_app_number] => 18/049480 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 12345 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18049480 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/049480
System and method for installing or retrieving a pressure cap assembly Oct 24, 2022 Issued
Array ( [id] => 19326420 [patent_doc_number] => 12044089 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => System and method for installing or retrieving a pressure cap assembly [patent_app_type] => utility [patent_app_number] => 18/049480 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 12345 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18049480 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/049480
System and method for installing or retrieving a pressure cap assembly Oct 24, 2022 Issued
Array ( [id] => 18184379 [patent_doc_number] => 20230045109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Direct Connectingh Gun Assemblies for Drilling Well Perforations [patent_app_type] => utility [patent_app_number] => 17/971654 [patent_app_country] => US [patent_app_date] => 2022-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17971654 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/971654
Direct Connectingh Gun Assemblies for Drilling Well Perforations Oct 23, 2022 Abandoned
Array ( [id] => 19113463 [patent_doc_number] => 20240125213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => METHOD AND APPARATUS FOR WELL STIMULATION AND PERFORATION [patent_app_type] => utility [patent_app_number] => 18/047635 [patent_app_country] => US [patent_app_date] => 2022-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18047635 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047635
Method and apparatus for well stimulation and perforation Oct 17, 2022 Issued
Array ( [id] => 19441721 [patent_doc_number] => 12091966 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-17 [patent_title] => Shoe track assembly system and method of use [patent_app_type] => utility [patent_app_number] => 17/959719 [patent_app_country] => US [patent_app_date] => 2022-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1954 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17959719 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/959719
Shoe track assembly system and method of use Oct 3, 2022 Issued
Array ( [id] => 19181496 [patent_doc_number] => 11988080 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Perforating system orientation apparatus and method of orienting perforating guns [patent_app_type] => utility [patent_app_number] => 17/959775 [patent_app_country] => US [patent_app_date] => 2022-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 8840 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17959775 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/959775
Perforating system orientation apparatus and method of orienting perforating guns Oct 3, 2022 Issued
Array ( [id] => 18285150 [patent_doc_number] => 20230100622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => FLOW CONTROL NOZZLES, METHOD OF MANUFACTURE AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/951908 [patent_app_country] => US [patent_app_date] => 2022-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17951908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/951908
Flow control nozzles, method of manufacture and use thereof Sep 22, 2022 Issued
Array ( [id] => 19034863 [patent_doc_number] => 20240084678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => REUSABLE SWITCH MODULE FOR GUN SYSTEM [patent_app_type] => utility [patent_app_number] => 17/940839 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3237 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17940839 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/940839
Reusable switch module for gun system Sep 7, 2022 Issued
Array ( [id] => 19151636 [patent_doc_number] => 11976538 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Acid-resistant tool for oil or gas well [patent_app_type] => utility [patent_app_number] => 17/939720 [patent_app_country] => US [patent_app_date] => 2022-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3283 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17939720 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/939720
Acid-resistant tool for oil or gas well Sep 6, 2022 Issued
Array ( [id] => 18285546 [patent_doc_number] => 20230101018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => COMMUNICATION AND LOCATION SYSTEM FOR AN AUTONOMOUS FRACK SYSTEM [patent_app_type] => utility [patent_app_number] => 17/939241 [patent_app_country] => US [patent_app_date] => 2022-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17939241 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/939241
Communication and location system for an autonomous frack system Sep 6, 2022 Issued
Array ( [id] => 19702034 [patent_doc_number] => 12196050 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Logging a deviated or horizontal well [patent_app_type] => utility [patent_app_number] => 17/890814 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 16202 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890814 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/890814
Logging a deviated or horizontal well Aug 17, 2022 Issued
Array ( [id] => 18718453 [patent_doc_number] => 11795789 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-24 [patent_title] => Cased perforation tools [patent_app_type] => utility [patent_app_number] => 17/819896 [patent_app_country] => US [patent_app_date] => 2022-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 3972 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17819896 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/819896
Cased perforation tools Aug 14, 2022 Issued
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