
David P. Carroll
Examiner (ID: 4166, Phone: (571)272-4808 , Office: P/3676 )
| Most Active Art Unit | 3674 |
| Art Unit(s) | 3672, 3674, 3676 |
| Total Applications | 773 |
| Issued Applications | 599 |
| Pending Applications | 47 |
| Abandoned Applications | 142 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 20569082
[patent_doc_number] => 20260063003
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2026-03-05
[patent_title] => ARTICULABLE COUPLINGS FOR DOWNHOLE TOOLS
[patent_app_type] => utility
[patent_app_number] => 19/312232
[patent_app_country] => US
[patent_app_date] => 2025-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4627
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -21
[patent_words_short_claim] => 130
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19312232
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/312232 | ARTICULABLE COUPLINGS FOR DOWNHOLE TOOLS | Aug 26, 2025 | Pending |
Array
(
[id] => 20555891
[patent_doc_number] => 20260055671
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2026-02-26
[patent_title] => MOBILE RIG TO WELL ALIGNMENT SYSTEM AND METHOD
[patent_app_type] => utility
[patent_app_number] => 19/303961
[patent_app_country] => US
[patent_app_date] => 2025-08-19
[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] => 43
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19303961
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/303961 | MOBILE RIG TO WELL ALIGNMENT SYSTEM AND METHOD | Aug 18, 2025 | Pending |
Array
(
[id] => 20519204
[patent_doc_number] => 20260043308
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2026-02-12
[patent_title] => INSERT SUB-SURFACE SAFETY VALVE (SSSV) FOR USE IN COLD TEMPERATURE
[patent_app_type] => utility
[patent_app_number] => 19/293865
[patent_app_country] => US
[patent_app_date] => 2025-08-07
[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] => -3
[patent_words_short_claim] => 44
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19293865
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/293865 | INSERT SUB-SURFACE SAFETY VALVE (SSSV) FOR USE IN COLD TEMPERATURE | Aug 6, 2025 | Pending |
Array
(
[id] => 20511923
[patent_doc_number] => 20260036024
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2026-02-05
[patent_title] => WELLBORE TOOL WITH EXTERNALLY-OPERATED BALLISTIC INTERRUPT
[patent_app_type] => utility
[patent_app_number] => 19/287282
[patent_app_country] => US
[patent_app_date] => 2025-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4299
[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] => 19287282
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/287282 | WELLBORE TOOL WITH EXTERNALLY-OPERATED BALLISTIC INTERRUPT | Jul 30, 2025 | Pending |
Array
(
[id] => 20594155
[patent_doc_number] => 12577861
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-03-17
[patent_title] => Liquid accumulation-free production and drainage system for oil and gas well
[patent_app_type] => utility
[patent_app_number] => 19/244462
[patent_app_country] => US
[patent_app_date] => 2025-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 11
[patent_no_of_words] => 1232
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 538
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19244462
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/244462 | Liquid accumulation-free production and drainage system for oil and gas well | Jun 19, 2025 | Issued |
Array
(
[id] => 20280129
[patent_doc_number] => 20250305371
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-10-02
[patent_title] => COMPOSITE CABLE ROPE SOCKET
[patent_app_type] => utility
[patent_app_number] => 19/239229
[patent_app_country] => US
[patent_app_date] => 2025-06-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1060
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 140
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19239229
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/239229 | COMPOSITE CABLE ROPE SOCKET | Jun 15, 2025 | Pending |
Array
(
[id] => 20420762
[patent_doc_number] => 20250382847
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-12-18
[patent_title] => BYPASS TOOL FOR USE WITH A TUBING ANCHOR
[patent_app_type] => utility
[patent_app_number] => 19/237839
[patent_app_country] => US
[patent_app_date] => 2025-06-13
[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] => -18
[patent_words_short_claim] => 34
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19237839
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/237839 | BYPASS TOOL FOR USE WITH A TUBING ANCHOR | Jun 12, 2025 | Abandoned |
Array
(
[id] => 20536258
[patent_doc_number] => 12553325
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-02-17
[patent_title] => Method of controlling tensile-splitting and hydro-shearing parameters during completion of enhanced geothermal system wells
[patent_app_type] => utility
[patent_app_number] => 19/226414
[patent_app_country] => US
[patent_app_date] => 2025-06-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 55
[patent_figures_cnt] => 79
[patent_no_of_words] => 29917
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 200
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19226414
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/226414 | Method of controlling tensile-splitting and hydro-shearing parameters during completion of enhanced geothermal system wells | Jun 2, 2025 | Issued |
Array
(
[id] => 20151027
[patent_doc_number] => 20250250865
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-08-07
[patent_title] => METHODS AND APPARATUS FOR BITLESS DRILLING
[patent_app_type] => utility
[patent_app_number] => 19/191078
[patent_app_country] => US
[patent_app_date] => 2025-04-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 15905
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 65
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19191078
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/191078 | METHODS AND APPARATUS FOR BITLESS DRILLING | Apr 27, 2025 | Pending |
Array
(
[id] => 20549276
[patent_doc_number] => 12560060
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-02-24
[patent_title] => Downhole pump top plunger adapter with improved sand handling capability
[patent_app_type] => utility
[patent_app_number] => 19/189515
[patent_app_country] => US
[patent_app_date] => 2025-04-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 13
[patent_no_of_words] => 1186
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 457
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19189515
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/189515 | Downhole pump top plunger adapter with improved sand handling capability | Apr 24, 2025 | Issued |
Array
(
[id] => 20295551
[patent_doc_number] => 20250320794
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-10-16
[patent_title] => Electro-Hydraulic Tubing Punch
[patent_app_type] => utility
[patent_app_number] => 19/094520
[patent_app_country] => US
[patent_app_date] => 2025-03-28
[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] => 97
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19094520
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/094520 | Electro-Hydraulic Tubing Punch | Mar 27, 2025 | Abandoned |
Array
(
[id] => 20233069
[patent_doc_number] => 20250290388
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-09-18
[patent_title] => BACK PRESSURE VALVE FOR CARBON CAPTURE SYSTEMS
[patent_app_type] => utility
[patent_app_number] => 19/081112
[patent_app_country] => US
[patent_app_date] => 2025-03-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1949
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -12
[patent_words_short_claim] => 65
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19081112
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/081112 | BACK PRESSURE VALVE FOR CARBON CAPTURE SYSTEMS | Mar 16, 2025 | Pending |
Array
(
[id] => 20050588
[patent_doc_number] => 20250188810
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-06-12
[patent_title] => DOWNHOLE SYSTEM FOR CONVEYING AN EXPLOSIVE TOOL WITHIN A WELLBORE AND REDUCING DAMAGE TO OTHER TOOLS OF THE DOWNHOLE SYSTEM
[patent_app_type] => utility
[patent_app_number] => 19/053174
[patent_app_country] => US
[patent_app_date] => 2025-02-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 38116
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[patent_words_short_claim] => 65
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19053174
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/053174 | DOWNHOLE SYSTEM FOR CONVEYING AN EXPLOSIVE TOOL WITHIN A WELLBORE AND REDUCING DAMAGE TO OTHER TOOLS OF THE DOWNHOLE SYSTEM | Feb 12, 2025 | Pending |
Array
(
[id] => 20555885
[patent_doc_number] => 20260055665
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2026-02-26
[patent_title] => PILOTING PULSED POWER DRILLING USING A MULTI-ACTUATOR BASED FLOATING ELECTRODE
[patent_app_type] => utility
[patent_app_number] => 19/046255
[patent_app_country] => US
[patent_app_date] => 2025-02-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8288
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[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] => 19046255
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/046255 | PILOTING PULSED POWER DRILLING USING A MULTI-ACTUATOR BASED FLOATING ELECTRODE | Feb 4, 2025 | Issued |
Array
(
[id] => 19969487
[patent_doc_number] => 12338077
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2025-06-24
[patent_title] => Multipurpose conveyor system
[patent_app_type] => utility
[patent_app_number] => 18/961299
[patent_app_country] => US
[patent_app_date] => 2024-11-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 0
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 119
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18961299
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/961299 | Multipurpose conveyor system | Nov 25, 2024 | Issued |
Array
(
[id] => 20025545
[patent_doc_number] => 20250163767
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-05-22
[patent_title] => PISTON-DIAPHRAGM PUMP FOR DRILLING OPERATIONS
[patent_app_type] => utility
[patent_app_number] => 18/949812
[patent_app_country] => US
[patent_app_date] => 2024-11-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 16589
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -21
[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] => 18949812
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/949812 | PISTON-DIAPHRAGM PUMP FOR DRILLING OPERATIONS | Nov 14, 2024 | Pending |
Array
(
[id] => 19817386
[patent_doc_number] => 20250075593
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-03-06
[patent_title] => Method of Controlling Tensile-Splitting and Hydro-Shearing Parameters During Completion of Enhanced Geothermal System Wells
[patent_app_type] => utility
[patent_app_number] => 18/818873
[patent_app_country] => US
[patent_app_date] => 2024-08-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 30529
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[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] => 18818873
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/818873 | Method of controlling tensile-splitting and hydro-shearing parameters during completion of enhanced geothermal system wells | Aug 28, 2024 | Issued |
Array
(
[id] => 20453538
[patent_doc_number] => 12516590
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-01-06
[patent_title] => Downhole cleaning tool and method
[patent_app_type] => utility
[patent_app_number] => 18/819912
[patent_app_country] => US
[patent_app_date] => 2024-08-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 19
[patent_no_of_words] => 4722
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 7
[patent_words_short_claim] => 107
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18819912
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/819912 | Downhole cleaning tool and method | Aug 28, 2024 | Issued |
Array
(
[id] => 20527741
[patent_doc_number] => 12546169
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-02-10
[patent_title] => Directional drilling target steering apparatus and method
[patent_app_type] => utility
[patent_app_number] => 18/816470
[patent_app_country] => US
[patent_app_date] => 2024-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 12
[patent_no_of_words] => 3688
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[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] => 18816470
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/816470 | Directional drilling target steering apparatus and method | Aug 26, 2024 | Issued |
Array
(
[id] => 20078104
[patent_doc_number] => 12352160
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-07-08
[patent_title] => Method of controlling tensile-splitting and hydro-shearing parameters during completion of enhanced geothermal system wells
[patent_app_type] => utility
[patent_app_number] => 18/804291
[patent_app_country] => US
[patent_app_date] => 2024-08-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 40
[patent_figures_cnt] => 52
[patent_no_of_words] => 21096
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 284
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18804291
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/804291 | Method of controlling tensile-splitting and hydro-shearing parameters during completion of enhanced geothermal system wells | Aug 13, 2024 | Issued |