Search

David P. Carroll

Examiner (ID: 16505, Phone: (571)272-4808 , Office: P/3676 )

Most Active Art Unit
3674
Art Unit(s)
3674, 3676
Total Applications
757
Issued Applications
587
Pending Applications
46
Abandoned Applications
141

Applications

Application numberTitle of the applicationFiling DateStatus
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] => 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
19/117651 PRESSURE RESPONSE TEST TO DETECT LEAKAGE OF ROTATING CONTROL DEVICE Apr 1, 2025 Pending
19/117651 PRESSURE RESPONSE TEST TO DETECT LEAKAGE OF ROTATING CONTROL DEVICE Apr 1, 2025 Pending
19/117651 PRESSURE RESPONSE TEST TO DETECT LEAKAGE OF ROTATING CONTROL DEVICE Apr 1, 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] => 19643538 [patent_doc_number] => 20240418058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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 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] => 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 Pending
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] => 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] => 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] => 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 Pending
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 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] => 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
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