
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |