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] => 20427367 [patent_doc_number] => 20250389456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => SYSTEMS AND PROCESSES FOR STIMULATING SUBTERRANEAN GEOLOGIC FORMATIONS [patent_app_type] => utility [patent_app_number] => 19/185676 [patent_app_country] => US [patent_app_date] => 2025-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2203 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19185676 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/185676
SYSTEMS AND PROCESSES FOR STIMULATING SUBTERRANEAN GEOLOGIC FORMATIONS Apr 21, 2025 Pending
19/112762 APPARATUS AND A METHOD FOR MONITORING A ROCK DRILLING RIG Mar 17, 2025 Pending
Array ( [id] => 20151041 [patent_doc_number] => 20250250879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => Systems And Methods To Place A Thermally Conductive Sheath In A Geothermal Well [patent_app_type] => utility [patent_app_number] => 19/047474 [patent_app_country] => US [patent_app_date] => 2025-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19047474 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/047474
Systems and methods to place a thermally conductive sheath in a geothermal well Feb 5, 2025 Issued
Array ( [id] => 20093961 [patent_doc_number] => 20250223897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => METHOD AND APPLICATION OF ACIDIZING FRACTURING IN CARBONATE FORMATIONS [patent_app_type] => utility [patent_app_number] => 18/980602 [patent_app_country] => US [patent_app_date] => 2024-12-13 [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] => -19 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18980602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/980602
METHOD AND APPLICATION OF ACIDIZING FRACTURING IN CARBONATE FORMATIONS Dec 12, 2024 Pending
Array ( [id] => 19863025 [patent_doc_number] => 20250101811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => TWIN BIT [patent_app_type] => utility [patent_app_number] => 18/971905 [patent_app_country] => US [patent_app_date] => 2024-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18971905 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/971905
Twin bit Dec 5, 2024 Issued
Array ( [id] => 19832942 [patent_doc_number] => 20250084728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => PRODUCTION SUB INCLUDING A FLUID FLOW ASSEMBLY HAVING A PAIR OF RADIAL BURST DISCS [patent_app_type] => utility [patent_app_number] => 18/956487 [patent_app_country] => US [patent_app_date] => 2024-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18956487 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/956487
PRODUCTION SUB INCLUDING A FLUID FLOW ASSEMBLY HAVING A PAIR OF RADIAL BURST DISCS Nov 21, 2024 Pending
Array ( [id] => 19768969 [patent_doc_number] => 20250050395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => DEVICES AND TECHNIQUES RELATING TO LANDFILL GAS EXTRACTION [patent_app_type] => utility [patent_app_number] => 18/929312 [patent_app_country] => US [patent_app_date] => 2024-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18929312 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/929312
DEVICES AND TECHNIQUES RELATING TO LANDFILL GAS EXTRACTION Oct 27, 2024 Pending
Array ( [id] => 19684766 [patent_doc_number] => 20250003311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => METHOD FOR TAKING A CORE SAMPLE OF A FORMATION [patent_app_type] => utility [patent_app_number] => 18/830937 [patent_app_country] => US [patent_app_date] => 2024-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12302 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18830937 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/830937
METHOD FOR TAKING A CORE SAMPLE OF A FORMATION Sep 10, 2024 Pending
Array ( [id] => 19643532 [patent_doc_number] => 20240418052 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => JOINT ASSEMBLY, PRODUCTION WELL MANUFACTURING METHOD, AND GAS PRODUCTION METHOD [patent_app_type] => utility [patent_app_number] => 18/815889 [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] => 9473 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18815889 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815889
JOINT ASSEMBLY, PRODUCTION WELL MANUFACTURING METHOD, AND GAS PRODUCTION METHOD Aug 26, 2024 Pending
Array ( [id] => 19999131 [patent_doc_number] => 20250137353 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => INFLOW CONTROL VALVE HAMMER FOR OVERCOMING SCALE AND STICKING [patent_app_type] => utility [patent_app_number] => 18/812611 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3636 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18812611 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/812611
INFLOW CONTROL VALVE HAMMER FOR OVERCOMING SCALE AND STICKING Aug 21, 2024 Pending
Array ( [id] => 19932691 [patent_doc_number] => 12305893 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-20 [patent_title] => Systems and processes for stimulating subterranean geologic formations [patent_app_type] => utility [patent_app_number] => 18/802048 [patent_app_country] => US [patent_app_date] => 2024-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2203 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18802048 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/802048
Systems and processes for stimulating subterranean geologic formations Aug 12, 2024 Issued
Array ( [id] => 19572504 [patent_doc_number] => 20240376796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => DOWNHOLE APPARATUS AND METHOD FOR OPERATIONS INVOLVING DELIVERY AND HARDENING OF SETTABLE MATERIALS [patent_app_type] => utility [patent_app_number] => 18/781896 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14124 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18781896 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/781896
DOWNHOLE APPARATUS AND METHOD FOR OPERATIONS INVOLVING DELIVERY AND HARDENING OF SETTABLE MATERIALS Jul 22, 2024 Pending
Array ( [id] => 19770724 [patent_doc_number] => 20250052150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => AUTOMATED INITIAL SHUT-IN PRESSURE ESTIMATION [patent_app_type] => utility [patent_app_number] => 18/774045 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18774045 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/774045
AUTOMATED INITIAL SHUT-IN PRESSURE ESTIMATION Jul 15, 2024 Pending
Array ( [id] => 19763559 [patent_doc_number] => 12221843 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-11 [patent_title] => Automatic detection function-integrated detection apparatus and method for water flowing fractured zone [patent_app_type] => utility [patent_app_number] => 18/762783 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7361 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18762783 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/762783
Automatic detection function-integrated detection apparatus and method for water flowing fractured zone Jul 2, 2024 Issued
Array ( [id] => 20272500 [patent_doc_number] => 12442274 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Well production management in sour environment at a surface equipment zone [patent_app_type] => utility [patent_app_number] => 18/675521 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2349 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18675521 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/675521
Well production management in sour environment at a surface equipment zone May 27, 2024 Issued
Array ( [id] => 19433273 [patent_doc_number] => 20240301771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => DOWNHOLE DEVICE FOR HYDROCARBON PRODUCING WELLS WITHOUT CONVENTIONAL TUBING [patent_app_type] => utility [patent_app_number] => 18/662120 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8409 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18662120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/662120
DOWNHOLE DEVICE FOR HYDROCARBON PRODUCING WELLS WITHOUT CONVENTIONAL TUBING May 12, 2024 Pending
Array ( [id] => 19404388 [patent_doc_number] => 20240287899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => HYDRAULIC INTEGRITY ANALYSIS [patent_app_type] => utility [patent_app_number] => 18/657136 [patent_app_country] => US [patent_app_date] => 2024-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8978 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 424 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18657136 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/657136
HYDRAULIC INTEGRITY ANALYSIS May 6, 2024 Pending
Array ( [id] => 20309738 [patent_doc_number] => 20250327367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => BLOWOUT PREVENTER LOCKING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/641053 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4954 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18641053 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/641053
BLOWOUT PREVENTER LOCKING SYSTEM AND METHOD Apr 18, 2024 Pending
Array ( [id] => 19904574 [patent_doc_number] => 12281570 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-22 [patent_title] => Apparatus and method for in-situ monitoring of hydrogen levels at a subsurface location [patent_app_type] => utility [patent_app_number] => 18/635909 [patent_app_country] => US [patent_app_date] => 2024-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3113 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18635909 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/635909
Apparatus and method for in-situ monitoring of hydrogen levels at a subsurface location Apr 14, 2024 Issued
Array ( [id] => 20295559 [patent_doc_number] => 20250320802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => SLURRY PROPORTIONER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/632633 [patent_app_country] => US [patent_app_date] => 2024-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12881 [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] => 18632633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/632633
SLURRY PROPORTIONER SYSTEM Apr 10, 2024 Pending
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