Search

Catherine A. Loikith

Examiner (ID: 16388, Phone: (571)270-7822 , Office: P/3674 )

Most Active Art Unit
3674
Art Unit(s)
3672, 3676, 4117, 3674
Total Applications
1091
Issued Applications
913
Pending Applications
46
Abandoned Applications
145

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19565221 [patent_doc_number] => 12139985 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Continuous sampling drill bit [patent_app_type] => utility [patent_app_number] => 18/073873 [patent_app_country] => US [patent_app_date] => 2022-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 27 [patent_no_of_words] => 11065 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18073873 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/073873
Continuous sampling drill bit Dec 1, 2022 Issued
Array ( [id] => 19651810 [patent_doc_number] => 12173586 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Fluid based intermittent powering of downhole operations [patent_app_type] => utility [patent_app_number] => 17/982589 [patent_app_country] => US [patent_app_date] => 2022-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 24 [patent_no_of_words] => 25244 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17982589 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/982589
Fluid based intermittent powering of downhole operations Nov 7, 2022 Issued
Array ( [id] => 19258962 [patent_doc_number] => 12019012 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Multivariate statistical contamination prediction using multiple sensors or data streams [patent_app_type] => utility [patent_app_number] => 17/979359 [patent_app_country] => US [patent_app_date] => 2022-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 11668 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17979359 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/979359
Multivariate statistical contamination prediction using multiple sensors or data streams Nov 1, 2022 Issued
Array ( [id] => 18163937 [patent_doc_number] => 20230030531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => Real-Time Fracture Monitoring, Evaluation And Control [patent_app_type] => utility [patent_app_number] => 17/964800 [patent_app_country] => US [patent_app_date] => 2022-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6823 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17964800 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/964800
Real-time fracture monitoring, evaluation and control Oct 11, 2022 Issued
Array ( [id] => 19624591 [patent_doc_number] => 12163401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Production sub including a fluid flow assembly having a pair of radial burst discs [patent_app_type] => utility [patent_app_number] => 17/960998 [patent_app_country] => US [patent_app_date] => 2022-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 58 [patent_figures_cnt] => 58 [patent_no_of_words] => 8633 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17960998 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/960998
Production sub including a fluid flow assembly having a pair of radial burst discs Oct 5, 2022 Issued
Array ( [id] => 19020778 [patent_doc_number] => 20240076949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => WELLBORE INTERVENTION SYSTEMS AND RELATED METHODS OF REPAIRING CEMENT FAILURES [patent_app_type] => utility [patent_app_number] => 17/903865 [patent_app_country] => US [patent_app_date] => 2022-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2045 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17903865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/903865
Wellbore intervention systems and related methods of repairing cement failures Sep 5, 2022 Issued
Array ( [id] => 18225092 [patent_doc_number] => 20230064086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => SHROUDED BAND-PASS FILTER FOR OIL WELL [patent_app_type] => utility [patent_app_number] => 17/893926 [patent_app_country] => US [patent_app_date] => 2022-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4969 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17893926 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/893926
SHROUDED BAND-PASS FILTER FOR OIL WELL Aug 22, 2022 Abandoned
Array ( [id] => 19458124 [patent_doc_number] => 12098606 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Treatment system, method, and borehole system [patent_app_type] => utility [patent_app_number] => 17/890399 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2356 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890399 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/890399
Treatment system, method, and borehole system Aug 17, 2022 Issued
Array ( [id] => 19368686 [patent_doc_number] => 12060762 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Downhole apparatus and method for operations involving delivery and hardening of settable materials [patent_app_type] => utility [patent_app_number] => 17/878014 [patent_app_country] => US [patent_app_date] => 2022-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 14267 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17878014 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/878014
Downhole apparatus and method for operations involving delivery and hardening of settable materials Jul 30, 2022 Issued
Array ( [id] => 19505446 [patent_doc_number] => 12116859 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Method for taking a core sample of a formation [patent_app_type] => utility [patent_app_number] => 17/809759 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 12305 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809759 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809759
Method for taking a core sample of a formation Jun 28, 2022 Issued
Array ( [id] => 17983242 [patent_doc_number] => 20220349278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => Cluster Gun System [patent_app_type] => utility [patent_app_number] => 17/809374 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5630 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809374 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809374
Cluster gun system Jun 27, 2022 Issued
Array ( [id] => 18078116 [patent_doc_number] => 20220403728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => STACKED-HELICAL GAS SEPARATOR WITH GAS DISCHARGE OUTLET [patent_app_type] => utility [patent_app_number] => 17/846180 [patent_app_country] => US [patent_app_date] => 2022-06-22 [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] => -16 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17846180 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/846180
Stacked-helical gas separator with gas discharge outlet Jun 21, 2022 Issued
Array ( [id] => 18058711 [patent_doc_number] => 20220389797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => METHOD OF REMOTE DIVERGENCE FOR WELLS EQUIPPED WITH INTELLIGENT COMPLETION [patent_app_type] => utility [patent_app_number] => 17/835629 [patent_app_country] => US [patent_app_date] => 2022-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2749 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17835629 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/835629
Method of remote divergence for wells equipped with intelligent completion Jun 7, 2022 Issued
Array ( [id] => 18058709 [patent_doc_number] => 20220389795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => WHIPSTOCK WITH ONE OR MORE HIGH-EXPANSION MEMBERS FOR PASSING THROUGH SMALL RESTRICTIONS [patent_app_type] => utility [patent_app_number] => 17/833672 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17833672 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/833672
Whipstock with one or more high-expansion members for passing through small restrictions Jun 5, 2022 Issued
Array ( [id] => 19840591 [patent_doc_number] => 12252966 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Inflow control device with dissolvable plugs [patent_app_type] => utility [patent_app_number] => 17/805363 [patent_app_country] => US [patent_app_date] => 2022-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4573 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17805363 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/805363
Inflow control device with dissolvable plugs Jun 2, 2022 Issued
Array ( [id] => 19292043 [patent_doc_number] => 12031392 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Interlock for a drill rig and method for operating a drill rig [patent_app_type] => utility [patent_app_number] => 17/828183 [patent_app_country] => US [patent_app_date] => 2022-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4056 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17828183 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/828183
Interlock for a drill rig and method for operating a drill rig May 30, 2022 Issued
Array ( [id] => 18809304 [patent_doc_number] => 20230383639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => AUTOMATIC REAL TIME SCREEN-OUT MITIGATION [patent_app_type] => utility [patent_app_number] => 17/825045 [patent_app_country] => US [patent_app_date] => 2022-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6299 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17825045 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/825045
Automatic real time screen-out mitigation May 25, 2022 Issued
Array ( [id] => 19345880 [patent_doc_number] => 20240254843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => CABLE PROTECTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/561096 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3515 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18561096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/561096
CABLE PROTECTION DEVICE May 23, 2022 Abandoned
Array ( [id] => 17890857 [patent_doc_number] => 11453813 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-27 [patent_title] => Diesel invert emulsion hydrogen sulfide mitigating drilling fluid and method of drilling subterranean geological formation [patent_app_type] => utility [patent_app_number] => 17/751764 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7596 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17751764 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/751764
Diesel invert emulsion hydrogen sulfide mitigating drilling fluid and method of drilling subterranean geological formation May 23, 2022 Issued
Array ( [id] => 19211184 [patent_doc_number] => 12000234 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Cement plug system [patent_app_type] => utility [patent_app_number] => 17/742583 [patent_app_country] => US [patent_app_date] => 2022-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 6958 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17742583 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/742583
Cement plug system May 11, 2022 Issued
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