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] => 19817360 [patent_doc_number] => 20250075567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => ADJUSTABLE DAMPER [patent_app_type] => utility [patent_app_number] => 18/240050 [patent_app_country] => US [patent_app_date] => 2023-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8430 [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] => 18240050 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240050
Adjustable damper Aug 29, 2023 Issued
Array ( [id] => 19449577 [patent_doc_number] => 20240309707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => DEFLECTOR AND STINGER FOR CONNECTING DOWNHOLE WET MATE CONNECTORS [patent_app_type] => utility [patent_app_number] => 18/238682 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18238682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/238682
Deflector and stinger for connecting downhole wet mate connectors Aug 27, 2023 Issued
Array ( [id] => 19940783 [patent_doc_number] => 12312906 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Methods, apparatus and systems for creating bismuth alloy plugs for abandoned wells [patent_app_type] => utility [patent_app_number] => 18/456735 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 5505 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18456735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456735
Methods, apparatus and systems for creating bismuth alloy plugs for abandoned wells Aug 27, 2023 Issued
Array ( [id] => 19173150 [patent_doc_number] => 20240159124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => METHODS, APPARATUS AND SYSTEMS FOR CREATING WELLBORE PLUGS FOR ABANDONED WELLS [patent_app_type] => utility [patent_app_number] => 18/453025 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18453025 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/453025
Methods, apparatus and systems for creating wellbore plugs for abandoned wells Aug 20, 2023 Issued
Array ( [id] => 18754704 [patent_doc_number] => 20230358130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => STACKED-HELICAL GAS SEPARATOR WITH GAS DISCHARGE OUTLET [patent_app_type] => utility [patent_app_number] => 18/353285 [patent_app_country] => US [patent_app_date] => 2023-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18353285 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/353285
Stacked-helical gas separator with gas discharge outlet Jul 16, 2023 Issued
Array ( [id] => 19856007 [patent_doc_number] => 12258832 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Methods for wellhead workover [patent_app_type] => utility [patent_app_number] => 18/351922 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3009 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18351922 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351922
Methods for wellhead workover Jul 12, 2023 Issued
Array ( [id] => 19449585 [patent_doc_number] => 20240309715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => METHODOLOGY AND SYSTEM FOR UTILIZING RIG POWER AND MUD PUMP ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/351223 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18351223 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351223
Methodology and system for utilizing rig power and mud pump assembly Jul 11, 2023 Issued
Array ( [id] => 19142929 [patent_doc_number] => 20240141783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => TRACER DIFFUSION DEVICE, SYSTEM FOR TRACING DEVELOPMENT OF WATER CONDUCTING FRACTURE ZONE AND RELATAED METHOD [patent_app_type] => utility [patent_app_number] => 18/346104 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7098 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18346104 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/346104
Tracer diffusion device, system for tracing development of water conducting fracture zone and relataed method Jun 29, 2023 Issued
Array ( [id] => 18709857 [patent_doc_number] => 20230332479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => HIGH PERFORMANCE REGULAR AND HIGH EXPANSION ELEMENTS FOR OIL AND GAS APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/337265 [patent_app_country] => US [patent_app_date] => 2023-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18337265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337265
High performance regular and high expansion elements for oil and gas applications Jun 18, 2023 Issued
Array ( [id] => 19587064 [patent_doc_number] => 20240384621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => Monitoring Integrity of Downhole Mechanical Plug [patent_app_type] => utility [patent_app_number] => 18/318989 [patent_app_country] => US [patent_app_date] => 2023-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7044 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18318989 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/318989
Monitoring integrity of downhole mechanical plug May 16, 2023 Issued
Array ( [id] => 18613021 [patent_doc_number] => 20230279757 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Systems And Methods For Multi-Stage Well Stimulation [patent_app_type] => utility [patent_app_number] => 18/197965 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13213 [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] => 18197965 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/197965
Systems and methods for multi-stage well stimulation May 15, 2023 Issued
Array ( [id] => 19528893 [patent_doc_number] => 20240352795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => EXPERIMENTAL APPARATUS FOR BREAKING ROCK THROUGH VIBRATION IMPACT [patent_app_type] => utility [patent_app_number] => 18/197026 [patent_app_country] => US [patent_app_date] => 2023-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 350 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18197026 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/197026
Experimental apparatus for rock-breaking through vibration impact May 11, 2023 Issued
Array ( [id] => 19898272 [patent_doc_number] => 12276182 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Completing a wellbore [patent_app_type] => utility [patent_app_number] => 18/316099 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2197 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316099 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316099
Completing a wellbore May 10, 2023 Issued
Array ( [id] => 18740263 [patent_doc_number] => 20230349240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => DOWNHOLE DEVICE EMPLOYING A RADIAL AND AXIAL RETENTION MECHANISM [patent_app_type] => utility [patent_app_number] => 18/308184 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308184 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308184
Downhole device employing a radial and axial retention mechanism Apr 26, 2023 Issued
Array ( [id] => 18740262 [patent_doc_number] => 20230349239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => DOWNHOLE DEVICE WITH BYPASS CAPABILITIES [patent_app_type] => utility [patent_app_number] => 18/308079 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308079 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308079
DOWNHOLE DEVICE WITH BYPASS CAPABILITIES Apr 26, 2023 Pending
Array ( [id] => 18901826 [patent_doc_number] => 20240017311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => DEVICES AND TECHNIQUES RELATING TO LANDFILL GAS EXTRACTION [patent_app_type] => utility [patent_app_number] => 18/132753 [patent_app_country] => US [patent_app_date] => 2023-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34119 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18132753 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/132753
Devices and techniques relating to landfill gas extraction Apr 9, 2023 Issued
Array ( [id] => 19916584 [patent_doc_number] => 12291943 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Production logging inversion based on LFDAS/DTS [patent_app_type] => utility [patent_app_number] => 18/297326 [patent_app_country] => US [patent_app_date] => 2023-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 3422 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18297326 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/297326
Production logging inversion based on LFDAS/DTS Apr 6, 2023 Issued
Array ( [id] => 19433271 [patent_doc_number] => 20240301769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => ACTUATOR, METHOD, AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/180516 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1945 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180516 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180516
Actuator, method, and system Mar 7, 2023 Issued
Array ( [id] => 19638311 [patent_doc_number] => 12168915 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => Completion string with a downhole power grid [patent_app_type] => utility [patent_app_number] => 18/111827 [patent_app_country] => US [patent_app_date] => 2023-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 7128 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 18111827 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/111827
Completion string with a downhole power grid Feb 19, 2023 Issued
Array ( [id] => 18469652 [patent_doc_number] => 20230203936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => Methods and Means for Measuring Multiple Casing Wall Thicknesses Using X-Ray Radiation in a Wellbore Environment [patent_app_type] => utility [patent_app_number] => 18/111244 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3164 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18111244 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/111244
Methods and means for measuring multiple casing wall thicknesses using x-ray radiation in a wellbore environment Feb 16, 2023 Issued
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