Search

David P. Carroll

Examiner (ID: 18830, Phone: (571)272-4808 , Office: P/3676 )

Most Active Art Unit
3674
Art Unit(s)
3672, 3674, 3676
Total Applications
762
Issued Applications
597
Pending Applications
39
Abandoned Applications
141

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20393846 [patent_doc_number] => 20250369321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 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 Pending
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] => 20233077 [patent_doc_number] => 20250290396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29917 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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 Pending
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] => 20407809 [patent_doc_number] => 20250376918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1186 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 457 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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 Pending
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] => 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] => 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] => 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] => 19643522 [patent_doc_number] => 20240418042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9011 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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
Array ( [id] => 19923465 [patent_doc_number] => 12297737 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-13 [patent_title] => Bottom hole assembly having three-point contact for improved steering [patent_app_type] => utility [patent_app_number] => 18/796416 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4857 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18796416 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/796416
Bottom hole assembly having three-point contact for improved steering Aug 6, 2024 Issued
Array ( [id] => 19746390 [patent_doc_number] => 20250034955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => DOWN-THE-HOLE HAMMER HAVING AN INVERTED CASING [patent_app_type] => utility [patent_app_number] => 18/785640 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18785640 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/785640
Down-the-hole hammer having an inverted casing Jul 25, 2024 Issued
Array ( [id] => 20233065 [patent_doc_number] => 20250290384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => WELLBORE BEAM SPRING TRAVEL LIMITER [patent_app_type] => utility [patent_app_number] => 18/786138 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18786138 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/786138
WELLBORE BEAM SPRING TRAVEL LIMITER Jul 25, 2024 Pending
Array ( [id] => 19746386 [patent_doc_number] => 20250034951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => CHAMFERED SINKER BAR CONNECTION [patent_app_type] => utility [patent_app_number] => 18/778355 [patent_app_country] => US [patent_app_date] => 2024-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3776 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18778355 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/778355
Chamfered sinker bar connection Jul 18, 2024 Issued
Array ( [id] => 20473717 [patent_doc_number] => 20260015936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => CONTROLLING LOGGING TOOL ORIENTATION IN A WELLBORE [patent_app_type] => utility [patent_app_number] => 18/769886 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18769886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769886
CONTROLLING LOGGING TOOL ORIENTATION IN A WELLBORE Jul 10, 2024 Issued
Array ( [id] => 19528905 [patent_doc_number] => 20240352807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => Rod section of a ground drilling rod, drive element, rod section system, and ground drilling device [patent_app_type] => utility [patent_app_number] => 18/763084 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6644 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18763084 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/763084
Rod section of a ground drilling rod, drive element, rod section system, and ground drilling device Jul 2, 2024 Abandoned
Array ( [id] => 19810280 [patent_doc_number] => 12241661 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-03-04 [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] => 18/756391 [patent_app_country] => US [patent_app_date] => 2024-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 41 [patent_no_of_words] => 19739 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18756391 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/756391
Method of controlling tensile-splitting and hydro-shearing parameters during completion of enhanced geothermal system wells Jun 26, 2024 Issued
Array ( [id] => 19512735 [patent_doc_number] => 20240344421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => Displaceable Shoe Track Assembly [patent_app_type] => utility [patent_app_number] => 18/750652 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3463 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18750652 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/750652
Displaceable shoe track assembly Jun 20, 2024 Issued
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