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] => 18436763 [patent_doc_number] => 20230184057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => CEMENTING A WELLBORE CASING [patent_app_type] => utility [patent_app_number] => 17/549420 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549420 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549420
CEMENTING A WELLBORE CASING Dec 12, 2021 Abandoned
Array ( [id] => 18948584 [patent_doc_number] => 11891869 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Torque mechanism for bridge plug [patent_app_type] => utility [patent_app_number] => 17/538905 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 5874 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17538905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/538905
Torque mechanism for bridge plug Nov 29, 2021 Issued
Array ( [id] => 17777215 [patent_doc_number] => 20220243564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => IN SITU EXPLOITATION-SEPARATION-BACKFILLING INTEGRATION APPARATUS USED FOR NATURAL GAS HYDRATES [patent_app_type] => utility [patent_app_number] => 17/537437 [patent_app_country] => US [patent_app_date] => 2021-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3716 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 402 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17537437 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/537437
In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates Nov 28, 2021 Issued
Array ( [id] => 18854398 [patent_doc_number] => 11851962 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-26 [patent_title] => Resettable element back-up system [patent_app_type] => utility [patent_app_number] => 17/534141 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4984 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17534141 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/534141
Resettable element back-up system Nov 22, 2021 Issued
Array ( [id] => 18620844 [patent_doc_number] => 11753872 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Percussion drill bit with at least one wear insert, related systems, and methods [patent_app_type] => utility [patent_app_number] => 17/455804 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 7256 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17455804 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/455804
Percussion drill bit with at least one wear insert, related systems, and methods Nov 18, 2021 Issued
Array ( [id] => 18718431 [patent_doc_number] => 11795767 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-24 [patent_title] => Fiber optic wetmate [patent_app_type] => utility [patent_app_number] => 18/253305 [patent_app_country] => US [patent_app_date] => 2021-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 37 [patent_no_of_words] => 10081 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18253305 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/253305
Fiber optic wetmate Nov 17, 2021 Issued
Array ( [id] => 17594147 [patent_doc_number] => 20220143720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => Reamer Having Blade Debris Removal and Drilling Direction Reversibility Features [patent_app_type] => utility [patent_app_number] => 17/523455 [patent_app_country] => US [patent_app_date] => 2021-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5099 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17523455 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/523455
Reamer Having Blade Debris Removal and Drilling Direction Reversibility Features Nov 9, 2021 Abandoned
Array ( [id] => 18685668 [patent_doc_number] => 11781393 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Explosive downhole tools having improved wellbore conveyance and debris properties, methods of using the explosive downhole tools in a wellbore, and explosive units for explosive column tools [patent_app_type] => utility [patent_app_number] => 17/512899 [patent_app_country] => US [patent_app_date] => 2021-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 79 [patent_no_of_words] => 30917 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17512899 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/512899
Explosive downhole tools having improved wellbore conveyance and debris properties, methods of using the explosive downhole tools in a wellbore, and explosive units for explosive column tools Oct 27, 2021 Issued
Array ( [id] => 17579492 [patent_doc_number] => 20220136347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => DRILL PIPE WITH INTERNAL FLOW CHECK VALVE [patent_app_type] => utility [patent_app_number] => 17/510821 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1213 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17510821 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/510821
Drill pipe with internal flow check valve Oct 25, 2021 Issued
Array ( [id] => 19474389 [patent_doc_number] => 12104467 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Slip package with improved initial setting [patent_app_type] => utility [patent_app_number] => 18/251291 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3910 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18251291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/251291
Slip package with improved initial setting Oct 24, 2021 Issued
Array ( [id] => 17705343 [patent_doc_number] => 20220205349 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => METHOD AND APPARATUS FOR CENTRALIZED THERMAL RECOVERY BASED ON AN OIL RESERVOIR BY ELECTRIC HEATING EDGE AND BOTTOM WATER LAYERS WITH HORIZONTAL WELLS [patent_app_type] => utility [patent_app_number] => 17/497908 [patent_app_country] => US [patent_app_date] => 2021-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4218 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17497908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/497908
METHOD AND APPARATUS FOR CENTRALIZED THERMAL RECOVERY BASED ON AN OIL RESERVOIR BY ELECTRIC HEATING EDGE AND BOTTOM WATER LAYERS WITH HORIZONTAL WELLS Oct 8, 2021 Abandoned
Array ( [id] => 17370697 [patent_doc_number] => 20220025749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => Acid Fracturing Treatments in Hydrocarbon-Bearing Formations in Close Proximity to Wet Zones [patent_app_type] => utility [patent_app_number] => 17/491763 [patent_app_country] => US [patent_app_date] => 2021-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17491763 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/491763
Acid fracturing treatments in hydrocarbon-bearing formations in close proximity to wet zones Sep 30, 2021 Issued
Array ( [id] => 18307950 [patent_doc_number] => 20230111850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Charge Pump for Electric Submersible Pump (ESP) Assembly With Inverted Shroud [patent_app_type] => utility [patent_app_number] => 17/492227 [patent_app_country] => US [patent_app_date] => 2021-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12970 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17492227 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/492227
Charge pump for electric submersible pump (ESP) assembly with inverted shroud Sep 30, 2021 Issued
Array ( [id] => 18296137 [patent_doc_number] => 20230105823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => Charge Pump for Electric Submersible Pump (ESP) Assembly [patent_app_type] => utility [patent_app_number] => 17/492230 [patent_app_country] => US [patent_app_date] => 2021-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10942 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17492230 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/492230
Charge pump for electric submersible pump (ESP) assembly Sep 30, 2021 Issued
Array ( [id] => 17505831 [patent_doc_number] => 20220098934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [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] => 17/484402 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17484402 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484402
Rod section of a ground drilling rod, drive element, rod section system, and ground drilling device Sep 23, 2021 Abandoned
Array ( [id] => 18102919 [patent_doc_number] => 11542800 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-03 [patent_title] => Electric submersible pump (ESP) intake centralization [patent_app_type] => utility [patent_app_number] => 17/479737 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 9480 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17479737 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/479737
Electric submersible pump (ESP) intake centralization Sep 19, 2021 Issued
Array ( [id] => 18256368 [patent_doc_number] => 20230083407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => SYSTEM AND METHOD FOR FRITTERING ROCK INSIDE A CELLAR USING HIGH ENERGY ELECTROMAGNETIC BEAMS [patent_app_type] => utility [patent_app_number] => 17/447504 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17447504 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/447504
SYSTEM AND METHOD FOR FRITTERING ROCK INSIDE A CELLAR USING HIGH ENERGY ELECTROMAGNETIC BEAMS Sep 12, 2021 Abandoned
Array ( [id] => 18238350 [patent_doc_number] => 20230070661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => FLEXI-STRING FOR WASHOUT BELOW A CASING SHOE [patent_app_type] => utility [patent_app_number] => 17/466468 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4087 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17466468 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/466468
Flexi-string for washout below a casing shoe Sep 2, 2021 Issued
Array ( [id] => 18917040 [patent_doc_number] => 11879312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Screens [patent_app_type] => utility [patent_app_number] => 17/411709 [patent_app_country] => US [patent_app_date] => 2021-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 54 [patent_no_of_words] => 14042 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17411709 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/411709
Screens Aug 24, 2021 Issued
Array ( [id] => 18247151 [patent_doc_number] => 11603727 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-14 [patent_title] => Flow activated on-off control sub for perseus cutter [patent_app_type] => utility [patent_app_number] => 17/408187 [patent_app_country] => US [patent_app_date] => 2021-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4462 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [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] => 17408187 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/408187
Flow activated on-off control sub for perseus cutter Aug 19, 2021 Issued
Menu