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] => 18036903 [patent_doc_number] => 20220381118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => Universal Plug and Play Perforating Gun Tandem [patent_app_type] => utility [patent_app_number] => 17/819568 [patent_app_country] => US [patent_app_date] => 2022-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3693 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17819568 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/819568
Universal plug and play perforating gun tandem Aug 11, 2022 Issued
Array ( [id] => 19463153 [patent_doc_number] => 20240316822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => MASONRY DRILLING TOOL, MASONRY DRILLING DEVICE, AND METHOD FOR DRILLING REINFORCED MASONRY [patent_app_type] => utility [patent_app_number] => 18/578848 [patent_app_country] => US [patent_app_date] => 2022-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18578848 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/578848
MASONRY DRILLING TOOL, MASONRY DRILLING DEVICE, AND METHOD FOR DRILLING REINFORCED MASONRY Aug 2, 2022 Abandoned
Array ( [id] => 18329720 [patent_doc_number] => 11634951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Equipment string communication and steering [patent_app_type] => utility [patent_app_number] => 17/817016 [patent_app_country] => US [patent_app_date] => 2022-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 10190 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17817016 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/817016
Equipment string communication and steering Aug 2, 2022 Issued
Array ( [id] => 19292084 [patent_doc_number] => 12031433 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Steering valve for deactivating a steering pad of a rotary steerable system [patent_app_type] => utility [patent_app_number] => 17/816912 [patent_app_country] => US [patent_app_date] => 2022-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10658 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17816912 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/816912
Steering valve for deactivating a steering pad of a rotary steerable system Aug 1, 2022 Issued
Array ( [id] => 18135113 [patent_doc_number] => 11560770 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Hydraulic fracturing plan and execution of same [patent_app_type] => utility [patent_app_number] => 17/878493 [patent_app_country] => US [patent_app_date] => 2022-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 50 [patent_figures_cnt] => 55 [patent_no_of_words] => 13181 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17878493 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/878493
Hydraulic fracturing plan and execution of same Jul 31, 2022 Issued
Array ( [id] => 19738742 [patent_doc_number] => 12215566 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Apparatus, system and method for regulating a control mechanism of a well [patent_app_type] => utility [patent_app_number] => 17/877327 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 35 [patent_no_of_words] => 20914 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17877327 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/877327
Apparatus, system and method for regulating a control mechanism of a well Jul 28, 2022 Issued
Array ( [id] => 18910715 [patent_doc_number] => 11873688 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => Centralizer with opposing hollow spring structure [patent_app_type] => utility [patent_app_number] => 17/815643 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 14519 [patent_no_of_claims] => 18 [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] => 17815643 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/815643
Centralizer with opposing hollow spring structure Jul 27, 2022 Issued
Array ( [id] => 18940204 [patent_doc_number] => 20240035343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => ECCENTRIC CENTRALIZER [patent_app_type] => utility [patent_app_number] => 17/815639 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14520 [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] => 17815639 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/815639
Eccentric centralizer Jul 27, 2022 Issued
Array ( [id] => 18818112 [patent_doc_number] => 20230392452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => Centralizer with Opposing Projections [patent_app_type] => utility [patent_app_number] => 17/815600 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14520 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17815600 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/815600
Centralizer with opposing projections Jul 27, 2022 Issued
Array ( [id] => 19609193 [patent_doc_number] => 12158061 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-03 [patent_title] => Electrical contact design for a perforating gun [patent_app_type] => utility [patent_app_number] => 17/867842 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4908 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17867842 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/867842
Electrical contact design for a perforating gun Jul 18, 2022 Issued
Array ( [id] => 18163980 [patent_doc_number] => 20230030574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => METHOD FOR CONSTRUCTING PUMPING-INJECTION WELL OF GROUNDWATER RESERVOIR IN DUMP OF OPEN-PIT MINE [patent_app_type] => utility [patent_app_number] => 17/860063 [patent_app_country] => US [patent_app_date] => 2022-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 933 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17860063 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/860063
Method for constructing pumping-injection well of groundwater reservoir in dump of open-pit mine Jul 6, 2022 Issued
Array ( [id] => 18895872 [patent_doc_number] => 20240011357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => CUTTING ELEMENTS, EARTH-BORING TOOLS INCLUDING THE CUTTING ELEMENTS, AND METHODS OF FORMING THE EARTH-BORING TOOLS [patent_app_type] => utility [patent_app_number] => 17/810802 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10696 [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] => 17810802 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/810802
Cutting elements, earth-boring tools including the cutting elements, and methods of forming the earth-boring tools Jul 4, 2022 Issued
Array ( [id] => 18879841 [patent_doc_number] => 20240003210 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => BOREHOLE CONDUIT CUTTING APPARATUS WITH SWIRL GENERATOR [patent_app_type] => utility [patent_app_number] => 17/856664 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8043 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17856664 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/856664
Borehole conduit cutting apparatus with swirl generator Jun 30, 2022 Issued
Array ( [id] => 19060623 [patent_doc_number] => 11939837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Electro-mechanical clutch for downhole tools [patent_app_type] => utility [patent_app_number] => 17/848928 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10850 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17848928 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/848928
Electro-mechanical clutch for downhole tools Jun 23, 2022 Issued
Array ( [id] => 18092653 [patent_doc_number] => 20220410994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => RETROFITTING MECHANICAL WORKOVER RIG TO ELECTRO-MECHANICAL DRIVE [patent_app_type] => utility [patent_app_number] => 17/808945 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2633 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17808945 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/808945
RETROFITTING MECHANICAL WORKOVER RIG TO ELECTRO-MECHANICAL DRIVE Jun 23, 2022 Abandoned
Array ( [id] => 18492564 [patent_doc_number] => 11697975 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Compact downhole tool [patent_app_type] => utility [patent_app_number] => 17/808051 [patent_app_country] => US [patent_app_date] => 2022-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 7226 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17808051 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/808051
Compact downhole tool Jun 20, 2022 Issued
Array ( [id] => 18831381 [patent_doc_number] => 20230399908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => Wireline Pressure Control String with Pumpdown Assembly [patent_app_type] => utility [patent_app_number] => 17/838007 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6337 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17838007 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/838007
Wireline pressure control string with pumpdown assembly Jun 9, 2022 Issued
Array ( [id] => 18888266 [patent_doc_number] => 11867032 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-09 [patent_title] => Downhole perforating gun system and methods of manufacture, assembly and use [patent_app_type] => utility [patent_app_number] => 17/831900 [patent_app_country] => US [patent_app_date] => 2022-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 44 [patent_no_of_words] => 16020 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17831900 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/831900
Downhole perforating gun system and methods of manufacture, assembly and use Jun 2, 2022 Issued
Array ( [id] => 18567716 [patent_doc_number] => 20230258051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => HYBRID COMPOSITE AND DISSOLVABLE DOWNHOLE TOOL [patent_app_type] => utility [patent_app_number] => 17/827073 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4131 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827073
Hybrid composite and dissolvable downhole tool May 26, 2022 Issued
Array ( [id] => 19587071 [patent_doc_number] => 20240384628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => METHOD AND SYSTEM FOR PREDICTING SAND FAILURE IN A HYDROCARBON PRODUCTION WELL AND METHOD AND SYSTEM FOR PRODUCING HYDROCARBON FLUIDS FROM AN EARTH FORMATION [patent_app_type] => utility [patent_app_number] => 18/555330 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18555330 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555330
METHOD AND SYSTEM FOR PREDICTING SAND FAILURE IN A HYDROCARBON PRODUCTION WELL AND METHOD AND SYSTEM FOR PRODUCING HYDROCARBON FLUIDS FROM AN EARTH FORMATION May 4, 2022 Pending
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