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] => 18818130 [patent_doc_number] => 20230392470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => APPARATUS, SYSTEM AND PROCESS FOR REGULATING A CONTROL MECHANISM OF A WELL [patent_app_type] => utility [patent_app_number] => 18/449440 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18449440 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/449440
Apparatus, system and process for regulating a control mechanism of a well Aug 13, 2023 Issued
Array ( [id] => 19948888 [patent_doc_number] => 12320241 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Methods and systems employing autonomous choke control for mitigation of liquid loading in gas wells [patent_app_type] => utility [patent_app_number] => 18/448233 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3117 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18448233 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/448233
Methods and systems employing autonomous choke control for mitigation of liquid loading in gas wells Aug 10, 2023 Issued
Array ( [id] => 20264635 [patent_doc_number] => 12435615 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Autonomous downhole robot tool string [patent_app_type] => utility [patent_app_number] => 18/446292 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 26 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18446292 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/446292
Autonomous downhole robot tool string Aug 7, 2023 Issued
Array ( [id] => 18786708 [patent_doc_number] => 20230374879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => SYSTEMS AND METHODS FOR DEPLOYMENT OF A FRAC BALL INTO A WELLBORE [patent_app_type] => utility [patent_app_number] => 18/230038 [patent_app_country] => US [patent_app_date] => 2023-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18230038 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/230038
Systems and methods for deployment of a frac ball into a wellbore Aug 2, 2023 Issued
Array ( [id] => 19738741 [patent_doc_number] => 12215565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Compact downhole tool [patent_app_type] => utility [patent_app_number] => 18/349653 [patent_app_country] => US [patent_app_date] => 2023-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 9773 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18349653 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/349653
Compact downhole tool Jul 9, 2023 Issued
Array ( [id] => 19890857 [patent_doc_number] => 20250116169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => END OF TUBING CARRIER TOOL AND METHOD FOR RELEASABLY SECURING SAME TO END OF A TUBULAR [patent_app_type] => utility [patent_app_number] => 18/862700 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14697 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 18862700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/862700
End of tubing carrier tool and method for releasably securing same to end of a tubular Jul 6, 2023 Issued
Array ( [id] => 19181481 [patent_doc_number] => 11988065 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Apparatus, system and process for regulating a control mechanism of a well [patent_app_type] => utility [patent_app_number] => 18/347398 [patent_app_country] => US [patent_app_date] => 2023-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 35 [patent_no_of_words] => 20913 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18347398 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/347398
Apparatus, system and process for regulating a control mechanism of a well Jul 4, 2023 Issued
Array ( [id] => 19441704 [patent_doc_number] => 12091949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Universal plug and play perforating gun tandem [patent_app_type] => utility [patent_app_number] => 18/346445 [patent_app_country] => US [patent_app_date] => 2023-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3715 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18346445 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/346445
Universal plug and play perforating gun tandem Jul 2, 2023 Issued
Array ( [id] => 19091433 [patent_doc_number] => 11952869 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-09 [patent_title] => High-efficiency yield-increasing exploitation method for natural gas hydrates [patent_app_type] => utility [patent_app_number] => 18/341816 [patent_app_country] => US [patent_app_date] => 2023-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 6109 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18341816 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/341816
High-efficiency yield-increasing exploitation method for natural gas hydrates Jun 26, 2023 Issued
Array ( [id] => 20579040 [patent_doc_number] => 12571284 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Apparatus, system and process for regulating a control mechanism of a well [patent_app_type] => utility [patent_app_number] => 18/338503 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 35 [patent_no_of_words] => 15362 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 356 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18338503 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/338503
Apparatus, system and process for regulating a control mechanism of a well Jun 20, 2023 Issued
Array ( [id] => 18709859 [patent_doc_number] => 20230332481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => APPARATUS, SYSTEM AND PROCESS FOR REGULATING A CONTROL MECHANISM OF A WELL [patent_app_type] => utility [patent_app_number] => 18/336326 [patent_app_country] => US [patent_app_date] => 2023-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20884 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18336326 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/336326
Apparatus, system and process for regulating a control mechanism of a well Jun 15, 2023 Issued
Array ( [id] => 19631803 [patent_doc_number] => 20240410252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => SELECTIVELY ACTIVATED FRICTION REDUCTION TOOL AND METHOD [patent_app_type] => utility [patent_app_number] => 18/331613 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18331613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/331613
Selectively activated friction reduction tool and method Jun 7, 2023 Issued
Array ( [id] => 20256608 [patent_doc_number] => 12428951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Annulus monitoring autonomous network [patent_app_type] => utility [patent_app_number] => 18/326604 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2202 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18326604 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326604
Annulus monitoring autonomous network May 30, 2023 Issued
Array ( [id] => 19609180 [patent_doc_number] => 12158048 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-03 [patent_title] => Debris capturing magnet with real time debris capacity monitoring [patent_app_type] => utility [patent_app_number] => 18/203983 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 8888 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18203983 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/203983
Debris capturing magnet with real time debris capacity monitoring May 30, 2023 Issued
Array ( [id] => 19970094 [patent_doc_number] => 12338692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Swivel sub with biasing member [patent_app_type] => utility [patent_app_number] => 18/204307 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 8156 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18204307 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/204307
Swivel sub with biasing member May 30, 2023 Issued
Array ( [id] => 19474368 [patent_doc_number] => 12104446 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => System for dislodging and extracting tubing from a wellbore [patent_app_type] => utility [patent_app_number] => 18/321064 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 23 [patent_no_of_words] => 6431 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321064
System for dislodging and extracting tubing from a wellbore May 21, 2023 Issued
Array ( [id] => 19587061 [patent_doc_number] => 20240384618 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => ELECTRICALLY-ACTUATED BLOW-OUT PREVENTER [patent_app_type] => utility [patent_app_number] => 18/318197 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7971 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18318197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/318197
Electrically-actuated blow-out preventer May 15, 2023 Issued
Array ( [id] => 18740301 [patent_doc_number] => 20230349278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => METHOD FOR OPTIMIZATION OF HUFF-N-PUFF GAS INJECTION IN HYDROCARBON RESERVOIRS [patent_app_type] => utility [patent_app_number] => 18/317621 [patent_app_country] => US [patent_app_date] => 2023-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6376 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18317621 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/317621
Method for optimization of huff-n-puff gas injection in hydrocarbon reservoirs May 14, 2023 Issued
Array ( [id] => 19731485 [patent_doc_number] => 12209476 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Downhole sealing assembly [patent_app_type] => utility [patent_app_number] => 18/315764 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 7309 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315764 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315764
Downhole sealing assembly May 10, 2023 Issued
Array ( [id] => 20176350 [patent_doc_number] => 12395110 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Multi-winding-motor driving system, variable-frequency electric driving system, pumping system, fracturing device and wellsite equipment [patent_app_type] => utility [patent_app_number] => 18/315888 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 23 [patent_no_of_words] => 7929 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315888 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315888
Multi-winding-motor driving system, variable-frequency electric driving system, pumping system, fracturing device and wellsite equipment May 10, 2023 Issued
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