
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 19738749
[patent_doc_number] => 12215573
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-02-04
[patent_title] => Method and system for stealth mode operation of a drilling rig
[patent_app_type] => utility
[patent_app_number] => 18/307399
[patent_app_country] => US
[patent_app_date] => 2023-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 11
[patent_no_of_words] => 12345
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 176
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307399
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/307399 | Method and system for stealth mode operation of a drilling rig | Apr 25, 2023 | Issued |
Array
(
[id] => 18576033
[patent_doc_number] => 11732551
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2023-08-22
[patent_title] => Fully electrically controlled intelligent subsurface safety valve
[patent_app_type] => utility
[patent_app_number] => 18/306270
[patent_app_country] => US
[patent_app_date] => 2023-04-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 14
[patent_no_of_words] => 4212
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 351
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18306270
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/306270 | Fully electrically controlled intelligent subsurface safety valve | Apr 24, 2023 | Issued |
Array
(
[id] => 20180026
[patent_doc_number] => 20250263984
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-08-21
[patent_title] => Vibratory Burrowing Probe for Investigating Subsurface Regions of Granular Media in IG and Low/Micro Gravity Conditions
[patent_app_type] => utility
[patent_app_number] => 18/857936
[patent_app_country] => US
[patent_app_date] => 2023-04-17
[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] => -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] => 18857936
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/857936 | Vibratory burrowing probe for investigating subsurface regions of granular media in IG and low/micro gravity conditions | Apr 16, 2023 | Issued |
Array
(
[id] => 19638211
[patent_doc_number] => 12168813
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-12-17
[patent_title] => Electrokinetic device and method for in-situ leaching of uranium
[patent_app_type] => utility
[patent_app_number] => 18/134161
[patent_app_country] => US
[patent_app_date] => 2023-04-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 11
[patent_no_of_words] => 6143
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 255
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18134161
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/134161 | Electrokinetic device and method for in-situ leaching of uranium | Apr 12, 2023 | Issued |
Array
(
[id] => 20330250
[patent_doc_number] => 12460519
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-11-04
[patent_title] => Perforating gun having modular construction
[patent_app_type] => utility
[patent_app_number] => 18/834908
[patent_app_country] => US
[patent_app_date] => 2023-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 19
[patent_no_of_words] => 0
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 167
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18834908
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/834908 | Perforating gun having modular construction | Apr 11, 2023 | Issued |
Array
(
[id] => 19433275
[patent_doc_number] => 20240301773
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-09-12
[patent_title] => METHOD AND DOWNHOLE DEVICE FOR PERFORATING AND ISOLATING TIGHTLY SPACED ZONES IN HIGHLY-DEVIATED WELLBORES
[patent_app_type] => utility
[patent_app_number] => 18/181469
[patent_app_country] => US
[patent_app_date] => 2023-03-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8741
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 103
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18181469
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/181469 | Method and downhole device for perforating and isolating tightly spaced zones in highly-deviated wellbores | Mar 8, 2023 | Issued |
Array
(
[id] => 19404367
[patent_doc_number] => 20240287878
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-29
[patent_title] => DUAL-PUMP ASSEMBLY TO SAMPLE DOWNHOLE HEAVY HYDROCARBONS
[patent_app_type] => utility
[patent_app_number] => 18/115530
[patent_app_country] => US
[patent_app_date] => 2023-02-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5530
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[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] => 18115530
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/115530 | DUAL-PUMP ASSEMBLY TO SAMPLE DOWNHOLE HEAVY HYDROCARBONS | Feb 27, 2023 | Abandoned |
Array
(
[id] => 19404356
[patent_doc_number] => 20240287867
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-29
[patent_title] => FRAC PLUG DEVICE WITH AN ANCHOR MANDREL FOR A LOCKED SET CONFIGURATION
[patent_app_type] => utility
[patent_app_number] => 18/174416
[patent_app_country] => US
[patent_app_date] => 2023-02-24
[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] => -12
[patent_words_short_claim] => 21
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18174416
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/174416 | FRAC PLUG DEVICE WITH AN ANCHOR MANDREL FOR A LOCKED SET CONFIGURATION | Feb 23, 2023 | Abandoned |
Array
(
[id] => 19381621
[patent_doc_number] => 20240271491
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-15
[patent_title] => CEMENT DRILL BIT
[patent_app_type] => utility
[patent_app_number] => 18/108020
[patent_app_country] => US
[patent_app_date] => 2023-02-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1999
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -4
[patent_words_short_claim] => 134
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18108020
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/108020 | CEMENT DRILL BIT | Feb 9, 2023 | Abandoned |
Array
(
[id] => 19877410
[patent_doc_number] => 20250109667
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-04-03
[patent_title] => COMPACT IGNITER
[patent_app_type] => utility
[patent_app_number] => 18/725243
[patent_app_country] => US
[patent_app_date] => 2023-02-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6351
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 112
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18725243
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/725243 | Compact igniter | Feb 7, 2023 | Issued |
Array
(
[id] => 18552700
[patent_doc_number] => 20230250711
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-08-10
[patent_title] => CONTROL MODULE FOR A DETONATION SUB AND A DETONATION SUB
[patent_app_type] => utility
[patent_app_number] => 18/106696
[patent_app_country] => US
[patent_app_date] => 2023-02-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3821
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 86
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18106696
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/106696 | Control module for a detonation sub and a detonation sub | Feb 6, 2023 | Issued |
Array
(
[id] => 18879849
[patent_doc_number] => 20240003218
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-01-04
[patent_title] => METHODS AND SYSTEMS FOR A FRAC PLUG
[patent_app_type] => utility
[patent_app_number] => 18/105851
[patent_app_country] => US
[patent_app_date] => 2023-02-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7559
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 114
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18105851
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/105851 | Methods and systems for a frac plug | Feb 4, 2023 | Issued |
Array
(
[id] => 20242267
[patent_doc_number] => 12422582
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-23
[patent_title] => Updating subsurface structural maps with well-measured orientation data while preserving local geological structures
[patent_app_type] => utility
[patent_app_number] => 18/263319
[patent_app_country] => US
[patent_app_date] => 2023-02-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 1977
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 276
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18263319
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/263319 | Updating subsurface structural maps with well-measured orientation data while preserving local geological structures | Feb 2, 2023 | Issued |
Array
(
[id] => 19106271
[patent_doc_number] => 11959358
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-04-16
[patent_title] => Bleeding off a hydraulic fracturing manifold used in oil and gas extraction operations
[patent_app_type] => utility
[patent_app_number] => 18/159990
[patent_app_country] => US
[patent_app_date] => 2023-01-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 7
[patent_no_of_words] => 9805
[patent_no_of_claims] => 28
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 243
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18159990
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/159990 | Bleeding off a hydraulic fracturing manifold used in oil and gas extraction operations | Jan 25, 2023 | Issued |
Array
(
[id] => 19551252
[patent_doc_number] => 12134952
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-11-05
[patent_title] => Hydraulic fracturing plan and execution of same
[patent_app_type] => utility
[patent_app_number] => 18/158122
[patent_app_country] => US
[patent_app_date] => 2023-01-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 50
[patent_figures_cnt] => 55
[patent_no_of_words] => 13223
[patent_no_of_claims] => 78
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 348
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18158122
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/158122 | Hydraulic fracturing plan and execution of same | Jan 22, 2023 | Issued |
Array
(
[id] => 19932293
[patent_doc_number] => 12305492
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-05-20
[patent_title] => Methods of characterizing a spatial property of a previously fractured stage of a hydrocarbon well and hydrocarbon wells that perform the methods
[patent_app_type] => utility
[patent_app_number] => 18/158096
[patent_app_country] => US
[patent_app_date] => 2023-01-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 7
[patent_no_of_words] => 3358
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 216
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18158096
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/158096 | Methods of characterizing a spatial property of a previously fractured stage of a hydrocarbon well and hydrocarbon wells that perform the methods | Jan 22, 2023 | Issued |
Array
(
[id] => 19181486
[patent_doc_number] => 11988070
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-05-21
[patent_title] => Drill string mountable wellbore cleanup apparatus and method
[patent_app_type] => utility
[patent_app_number] => 18/155339
[patent_app_country] => US
[patent_app_date] => 2023-01-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 24
[patent_figures_cnt] => 45
[patent_no_of_words] => 8672
[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] => 18155339
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/155339 | Drill string mountable wellbore cleanup apparatus and method | Jan 16, 2023 | Issued |
Array
(
[id] => 19034834
[patent_doc_number] => 20240084649
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-14
[patent_title] => AUGER BORING USING A PIPE SEAL ASSEMBLY TO JOIN TOGETHER CASING PIPE SECTIONS
[patent_app_type] => utility
[patent_app_number] => 18/149739
[patent_app_country] => US
[patent_app_date] => 2023-01-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2465
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 112
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18149739
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/149739 | Auger boring using a pipe seal assembly to join together casing pipe sections | Jan 3, 2023 | Issued |
Array
(
[id] => 19282289
[patent_doc_number] => 20240218763
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-07-04
[patent_title] => METHODS AND SYSTEMS FOR FRACING
[patent_app_type] => utility
[patent_app_number] => 18/092752
[patent_app_country] => US
[patent_app_date] => 2023-01-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3394
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 26
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18092752
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/092752 | Methods and systems for fracing | Jan 2, 2023 | Issued |
Array
(
[id] => 19282274
[patent_doc_number] => 20240218748
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-07-04
[patent_title] => Travel Joint With Telescoping Control Lines
[patent_app_type] => utility
[patent_app_number] => 18/090624
[patent_app_country] => US
[patent_app_date] => 2022-12-29
[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] => 83
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18090624
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/090624 | Travel joint with telescoping control lines | Dec 28, 2022 | Issued |