Search

Catherine A. Loikith

Examiner (ID: 149, Phone: (571)270-7822 , Office: P/3674 )

Most Active Art Unit
3674
Art Unit(s)
4117, 3674, 3672, 3676
Total Applications
1069
Issued Applications
897
Pending Applications
49
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19923769 [patent_doc_number] => 12298043 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-13 [patent_title] => Ultra-compact coiled tubing (UCCT) operations for geothermal field construction [patent_app_type] => utility [patent_app_number] => 18/629546 [patent_app_country] => US [patent_app_date] => 2024-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 39 [patent_no_of_words] => 14312 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18629546 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/629546
Ultra-compact coiled tubing (UCCT) operations for geothermal field construction Apr 7, 2024 Issued
Array ( [id] => 19333146 [patent_doc_number] => 20240247576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => COMBINED GAS SEPARATION ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/626066 [patent_app_country] => US [patent_app_date] => 2024-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4978 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18626066 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626066
COMBINED GAS SEPARATION ASSEMBLY Apr 2, 2024 Pending
Array ( [id] => 19188448 [patent_doc_number] => 20240167361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => Systems for Inter-Fracture Flooding of Wellbores and Methods of Using the Same [patent_app_type] => utility [patent_app_number] => 18/430407 [patent_app_country] => US [patent_app_date] => 2024-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18430407 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/430407
Systems for Inter-Fracture Flooding of Wellbores and Methods of Using the Same Jan 31, 2024 Pending
Array ( [id] => 20506274 [patent_doc_number] => 12540546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Identifying asphaltene precipitation and aggregation with a formation testing and sampling tool [patent_app_type] => utility [patent_app_number] => 18/410321 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 2432 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410321 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410321
Identifying Asphaltene Precipitation And Aggregation With A Formation Testing And Sampling Tool Jan 10, 2024 Pending
Array ( [id] => 19142911 [patent_doc_number] => 20240141765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => DUAL WELL, DUAL PUMP PRODUCTION [patent_app_type] => utility [patent_app_number] => 18/409788 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6098 [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] => 18409788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/409788
DUAL WELL, DUAL PUMP PRODUCTION Jan 9, 2024 Pending
Array ( [id] => 20033835 [patent_doc_number] => 20250172057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => PRODUCTION METHOD WITH A PLUNGER LIFT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/523293 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4815 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523293
PRODUCTION METHOD WITH A PLUNGER LIFT SYSTEM Nov 28, 2023 Pending
Array ( [id] => 19034847 [patent_doc_number] => 20240084662 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => BI-DIRECTIONAL WELLHEAD ANNULUS PACKOFF WITH INTEGRAL SEAL AND HANGER LOCKDOWN RING [patent_app_type] => utility [patent_app_number] => 18/512909 [patent_app_country] => US [patent_app_date] => 2023-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18512909 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/512909
BI-DIRECTIONAL WELLHEAD ANNULUS PACKOFF WITH INTEGRAL SEAL AND HANGER LOCKDOWN RING Nov 16, 2023 Pending
Array ( [id] => 20433568 [patent_doc_number] => 12503929 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Isolation system with integrated slip and extrusion prevention mechanisms and methods of use [patent_app_type] => utility [patent_app_number] => 18/506390 [patent_app_country] => US [patent_app_date] => 2023-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 5645 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18506390 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/506390
Isolation system with integrated slip and extrusion prevention mechanisms and methods of use Nov 9, 2023 Issued
Array ( [id] => 20343610 [patent_doc_number] => 12467334 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Punch and inject tool for downhole casing and method for use thereof [patent_app_type] => utility [patent_app_number] => 18/505156 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [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] => 18505156 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505156
Punch and inject tool for downhole casing and method for use thereof Nov 8, 2023 Issued
Array ( [id] => 20330256 [patent_doc_number] => 12460525 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Hybrid frac completion [patent_app_type] => utility [patent_app_number] => 18/489646 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2495 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18489646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/489646
Hybrid frac completion Oct 17, 2023 Issued
Array ( [id] => 20372951 [patent_doc_number] => 12480380 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Inner string cementing system and method [patent_app_type] => utility [patent_app_number] => 18/488209 [patent_app_country] => US [patent_app_date] => 2023-10-17 [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] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18488209 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/488209
Inner string cementing system and method Oct 16, 2023 Issued
Array ( [id] => 20372951 [patent_doc_number] => 12480380 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Inner string cementing system and method [patent_app_type] => utility [patent_app_number] => 18/488209 [patent_app_country] => US [patent_app_date] => 2023-10-17 [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] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18488209 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/488209
Inner string cementing system and method Oct 16, 2023 Issued
Array ( [id] => 19984563 [patent_doc_number] => 20250122785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => INVERTED SHROUD FIELD ASSEMBLY FOR GAS ACCUMULATION PREVENTION ABOVE ESPS AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 18/487609 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18487609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487609
Inverted shroud field assembly for gas accumulation prevention above ESPs and method of use Oct 15, 2023 Issued
Array ( [id] => 19098450 [patent_doc_number] => 20240117678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => DOWNHOLE TOOL INCLUDING A FLUID LOSS DEVICE [patent_app_type] => utility [patent_app_number] => 18/481698 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481698 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481698
DOWNHOLE TOOL INCLUDING A FLUID LOSS DEVICE Oct 4, 2023 Pending
Array ( [id] => 20316333 [patent_doc_number] => 12454877 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Maintaining a tubing hanger profile [patent_app_type] => utility [patent_app_number] => 18/479451 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18479451 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479451
Maintaining a tubing hanger profile Oct 1, 2023 Issued
Array ( [id] => 20493135 [patent_doc_number] => 12535000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Estimating downhole fluid flow rate from esp equipped with wireless sensors [patent_app_type] => utility [patent_app_number] => 18/478113 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2605 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [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] => 18478113 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/478113
Estimating downhole fluid flow rate from esp equipped with wireless sensors Sep 28, 2023 Issued
Array ( [id] => 19113013 [patent_doc_number] => 20240124763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => Stimulation of Wells in Nano-Darcy Shale Formations [patent_app_type] => utility [patent_app_number] => 18/472513 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 18472513 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472513
Stimulation of wells in nano-darcy shale formations Sep 21, 2023 Issued
Array ( [id] => 19051599 [patent_doc_number] => 20240093568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => RETAINING BACKUP SYSTEM FOR FRAC PLUGS [patent_app_type] => utility [patent_app_number] => 18/470485 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18470485 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/470485
Retaining backup system for frac plugs Sep 19, 2023 Issued
Array ( [id] => 18880727 [patent_doc_number] => 20240004096 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => METHOD AND SYSTEM FOR DOWNHOLE OBJECT LOCATION AND ORIENTATION DETERMINATION [patent_app_type] => utility [patent_app_number] => 18/368758 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10698 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18368758 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/368758
METHOD AND SYSTEM FOR DOWNHOLE OBJECT LOCATION AND ORIENTATION DETERMINATION Sep 14, 2023 Pending
Array ( [id] => 19832972 [patent_doc_number] => 20250084758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => SYSTEMS AND METHODS FOR INFERRING RESERVOIR PRESSURE BASED ON INITIAL COILED TUBING RUN CONDITIONS [patent_app_type] => utility [patent_app_number] => 18/464737 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12151 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18464737 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464737
Systems and methods for inferring reservoir pressure based on initial coiled tubing run conditions Sep 10, 2023 Issued
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