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] => 19242415 [patent_doc_number] => 12012838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Downhole sand separating apparatus with erosion resistant centrifugal separator [patent_app_type] => utility [patent_app_number] => 17/994200 [patent_app_country] => US [patent_app_date] => 2022-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 8605 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 17994200 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/994200
Downhole sand separating apparatus with erosion resistant centrifugal separator Nov 24, 2022 Issued
Array ( [id] => 18932780 [patent_doc_number] => 11885188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Section mill [patent_app_type] => utility [patent_app_number] => 18/058178 [patent_app_country] => US [patent_app_date] => 2022-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 23 [patent_no_of_words] => 4324 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18058178 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/058178
Section mill Nov 21, 2022 Issued
Array ( [id] => 19188456 [patent_doc_number] => 20240167369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => TRAVELING VALVE ASSEMBLY FOR RECIPROCATING ROD PUMPS [patent_app_type] => utility [patent_app_number] => 18/056870 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2061 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18056870 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/056870
TRAVELING VALVE ASSEMBLY FOR RECIPROCATING ROD PUMPS Nov 17, 2022 Abandoned
Array ( [id] => 19826697 [patent_doc_number] => 12247466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Downhole tool and method for perforating a downhole tubular [patent_app_type] => utility [patent_app_number] => 18/700191 [patent_app_country] => US [patent_app_date] => 2022-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 6010 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 472 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18700191 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/700191
Downhole tool and method for perforating a downhole tubular Nov 9, 2022 Issued
Array ( [id] => 18871669 [patent_doc_number] => 11859459 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Downhole tool [patent_app_type] => utility [patent_app_number] => 17/982773 [patent_app_country] => US [patent_app_date] => 2022-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4879 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17982773 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/982773
Downhole tool Nov 7, 2022 Issued
Array ( [id] => 18333389 [patent_doc_number] => 20230125337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => LOCKING APPARATUS FOR DRILLING RIG COMPONENTS [patent_app_type] => utility [patent_app_number] => 18/048222 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8212 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18048222 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/048222
Locking apparatus for drilling rig components Oct 19, 2022 Issued
Array ( [id] => 18685669 [patent_doc_number] => 11781394 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Shaped charge assembly, explosive units, and methods for selectively expanding wall of a tubular [patent_app_type] => utility [patent_app_number] => 17/969410 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 57 [patent_no_of_words] => 20238 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17969410 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/969410
Shaped charge assembly, explosive units, and methods for selectively expanding wall of a tubular Oct 18, 2022 Issued
Array ( [id] => 19458123 [patent_doc_number] => 12098605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Drilling tractor tool [patent_app_type] => utility [patent_app_number] => 18/047962 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 20 [patent_no_of_words] => 6007 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18047962 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047962
Drilling tractor tool Oct 18, 2022 Issued
Array ( [id] => 19458123 [patent_doc_number] => 12098605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Drilling tractor tool [patent_app_type] => utility [patent_app_number] => 18/047962 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 20 [patent_no_of_words] => 6007 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18047962 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047962
Drilling tractor tool Oct 18, 2022 Issued
Array ( [id] => 19113434 [patent_doc_number] => 20240125184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => METHOD FOR ATTACHING RING, RING AND SYSTEM [patent_app_type] => utility [patent_app_number] => 17/968417 [patent_app_country] => US [patent_app_date] => 2022-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17968417 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/968417
Method for attaching ring, ring and system Oct 17, 2022 Issued
Array ( [id] => 18996463 [patent_doc_number] => 11913296 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Auto recycle system to maintain fluid level on ESP operation [patent_app_type] => utility [patent_app_number] => 18/045350 [patent_app_country] => US [patent_app_date] => 2022-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5437 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045350 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045350
Auto recycle system to maintain fluid level on ESP operation Oct 9, 2022 Issued
Array ( [id] => 19098456 [patent_doc_number] => 20240117684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => TUBING WITH SELECTIVE ACTIVATED LANDING PROFILE FOR WELL COMPLETION [patent_app_type] => utility [patent_app_number] => 17/960541 [patent_app_country] => US [patent_app_date] => 2022-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17960541 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/960541
Tubing with selective activated landing profile for well completion Oct 4, 2022 Issued
Array ( [id] => 19368688 [patent_doc_number] => 12060764 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Activation of wellbore sealants with ultrasonic waves after placement in a wellbore [patent_app_type] => utility [patent_app_number] => 17/958113 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 9448 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17958113 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/958113
Activation of wellbore sealants with ultrasonic waves after placement in a wellbore Sep 29, 2022 Issued
Array ( [id] => 19374332 [patent_doc_number] => 12065886 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Shaped cutter with multiple radial ridge sets [patent_app_type] => utility [patent_app_number] => 17/956671 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 6103 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 8 [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] => 17956671 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956671
Shaped cutter with multiple radial ridge sets Sep 28, 2022 Issued
Array ( [id] => 19067942 [patent_doc_number] => 20240102368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => SOLIDS BYPASS DEVICE FOR INVERTED ELECTRIC SUBMERSIBLE PUMP [patent_app_type] => utility [patent_app_number] => 17/955462 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6225 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17955462 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/955462
Solids bypass device for inverted electric submersible pump Sep 27, 2022 Issued
Array ( [id] => 19067947 [patent_doc_number] => 20240102373 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => DOWNHOLE GAS SEPARATOR WITH CONCENTRIC SEPARATION RINGS [patent_app_type] => utility [patent_app_number] => 17/934516 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8497 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17934516 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/934516
DOWNHOLE GAS SEPARATOR WITH CONCENTRIC SEPARATION RINGS Sep 21, 2022 Abandoned
Array ( [id] => 19004266 [patent_doc_number] => 20240068337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => ARTIFICIAL LIFT SYSTEMS USING CAVITATION [patent_app_type] => utility [patent_app_number] => 17/822984 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4177 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17822984 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/822984
Artificial lift systems using cavitation Aug 28, 2022 Issued
Array ( [id] => 19609191 [patent_doc_number] => 12158059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Running tool for a liner string [patent_app_type] => utility [patent_app_number] => 17/894790 [patent_app_country] => US [patent_app_date] => 2022-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 44 [patent_no_of_words] => 15701 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17894790 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/894790
Running tool for a liner string Aug 23, 2022 Issued
Array ( [id] => 19572496 [patent_doc_number] => 20240376788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => DUAL TUBE DRILL STRING COMPONENTS [patent_app_type] => utility [patent_app_number] => 18/683652 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8245 [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] => 18683652 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/683652
DUAL TUBE DRILL STRING COMPONENTS Aug 17, 2022 Abandoned
Array ( [id] => 19258494 [patent_doc_number] => 12018542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Seal elements for annular control devices [patent_app_type] => utility [patent_app_number] => 17/890195 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 22 [patent_no_of_words] => 5077 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890195 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/890195
Seal elements for annular control devices Aug 16, 2022 Issued
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