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] => 18560243 [patent_doc_number] => 11725479 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => System and method for performing a straddle frac operation [patent_app_type] => utility [patent_app_number] => 17/351551 [patent_app_country] => US [patent_app_date] => 2021-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 3269 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17351551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/351551
System and method for performing a straddle frac operation Jun 17, 2021 Issued
Array ( [id] => 18538131 [patent_doc_number] => 20230243234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => BISMUTH METHOD OF ABANDONING A WELL [patent_app_type] => utility [patent_app_number] => 18/009479 [patent_app_country] => US [patent_app_date] => 2021-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18009479 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/009479
BISMUTH METHOD OF ABANDONING A WELL Jun 8, 2021 Abandoned
Array ( [id] => 18036899 [patent_doc_number] => 20220381114 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => DEGRADABLE DOWNHOLE DISK [patent_app_type] => utility [patent_app_number] => 17/331076 [patent_app_country] => US [patent_app_date] => 2021-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3339 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17331076 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/331076
DEGRADABLE DOWNHOLE DISK May 25, 2021 Abandoned
Array ( [id] => 18452435 [patent_doc_number] => 20230193714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => Jet flow adjustment method for rotary steerable downhole release [patent_app_type] => utility [patent_app_number] => 17/925605 [patent_app_country] => US [patent_app_date] => 2021-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3595 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17925605 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/925605
Jet flow adjustment method for rotary steerable downhole release May 24, 2021 Issued
Array ( [id] => 18452450 [patent_doc_number] => 20230193729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => Easy-to-clean visual graMethod for remotely shutting down downhole unit of rotary steering system from groundin monitoring device [patent_app_type] => utility [patent_app_number] => 17/925599 [patent_app_country] => US [patent_app_date] => 2021-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5582 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17925599 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/925599
Method for remotely shutting down downhole unit of rotary steering system from ground May 24, 2021 Issued
Array ( [id] => 18005216 [patent_doc_number] => 20220363982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => TREATMENT OF WELL STIMULATION PROPPANTS WITH DEPRESSION ADDITIVE BASED ON PREDICTED STORAGE TEMPERATURE [patent_app_type] => utility [patent_app_number] => 17/318666 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5614 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17318666 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/318666
Treatment of well stimulation proppants with depression additive based on predicted storage temperature May 11, 2021 Issued
Array ( [id] => 18369540 [patent_doc_number] => 11649700 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Production logging inversion based on DAS/DTS [patent_app_type] => utility [patent_app_number] => 17/236706 [patent_app_country] => US [patent_app_date] => 2021-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8396 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [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] => 17236706 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/236706
Production logging inversion based on DAS/DTS Apr 20, 2021 Issued
Array ( [id] => 18505098 [patent_doc_number] => 11702903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Actuator, method and system [patent_app_type] => utility [patent_app_number] => 17/223172 [patent_app_country] => US [patent_app_date] => 2021-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1761 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17223172 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/223172
Actuator, method and system Apr 5, 2021 Issued
Array ( [id] => 17345132 [patent_doc_number] => 20220011463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [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] => 17/223660 [patent_app_country] => US [patent_app_date] => 2021-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3160 [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] => 17223660 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/223660
METHODS AND MEANS FOR MEASURING MULTIPLE CASING WALL THICKNESSES USING X-RAY RADIATION IN A WELLBORE ENVIRONMENT Apr 5, 2021 Abandoned
Array ( [id] => 17141894 [patent_doc_number] => 20210309906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => Compressible Carbon Particles, and Method of Attenuating Annular Pressure Buldup Using Compressible Particles [patent_app_type] => utility [patent_app_number] => 17/221155 [patent_app_country] => US [patent_app_date] => 2021-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19553 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17221155 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/221155
Compressible carbon particles to mitigate annular pressure buildup using compressible particles Apr 1, 2021 Issued
Array ( [id] => 17126853 [patent_doc_number] => 20210301622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => Systems for Inter-Fracture Flooding of Wellbores and Methods of Using the Same [patent_app_type] => utility [patent_app_number] => 17/219222 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6867 [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] => 17219222 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/219222
Systems for inter-fracture flooding of wellbores and methods of using the same Mar 30, 2021 Issued
Array ( [id] => 17913914 [patent_doc_number] => 20220316309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => PUMP SYSTEM WITH PASSIVE GAS SEPARATION [patent_app_type] => utility [patent_app_number] => 17/219834 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17219834 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/219834
Pump system with passive gas separation Mar 30, 2021 Issued
Array ( [id] => 17897673 [patent_doc_number] => 20220307335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => Spent Vehicle Tire Lost Circulation Material (LCM) [patent_app_type] => utility [patent_app_number] => 17/212730 [patent_app_country] => US [patent_app_date] => 2021-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3684 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17212730 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/212730
Spent vehicle tire lost circulation material (LCM) Mar 24, 2021 Issued
Array ( [id] => 19916579 [patent_doc_number] => 12291938 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Running tool for a downhole aparatus for patching a wall of conduit and a method of patching a conduit [patent_app_type] => utility [patent_app_number] => 17/913642 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17913642 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/913642
Running tool for a downhole aparatus for patching a wall of conduit and a method of patching a conduit Mar 22, 2021 Issued
Array ( [id] => 17867794 [patent_doc_number] => 20220290530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => MULTI-STAGE OBJECT DROP FRAC ASSEMBLY WITH FILTRATION MEDIA AND METHOD [patent_app_type] => utility [patent_app_number] => 17/199730 [patent_app_country] => US [patent_app_date] => 2021-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17199730 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/199730
Multi-stage object drop frac assembly with filtration media and method Mar 11, 2021 Issued
Array ( [id] => 19609186 [patent_doc_number] => 12158054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Apparatus and method for injecting a fluid into the well during drilling [patent_app_type] => utility [patent_app_number] => 17/905979 [patent_app_country] => US [patent_app_date] => 2021-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3356 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17905979 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/905979
Apparatus and method for injecting a fluid into the well during drilling Mar 10, 2021 Issued
Array ( [id] => 17357415 [patent_doc_number] => 20220018211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => HEAT SOURCES AND ALLOYS FOR USE IN DOWN-HOLE APPLICATIONS [patent_app_type] => utility [patent_app_number] => 17/195546 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3204 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17195546 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/195546
Heat sources and alloys for use in down-hole applications Mar 7, 2021 Issued
Array ( [id] => 18980642 [patent_doc_number] => 11905803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Dual well, dual pump production [patent_app_type] => utility [patent_app_number] => 17/194005 [patent_app_country] => US [patent_app_date] => 2021-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 6073 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17194005 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/194005
Dual well, dual pump production Mar 4, 2021 Issued
Array ( [id] => 16901521 [patent_doc_number] => 20210180437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => SW-SAGD WITH BETWEEN HEEL AND TOE INJECTION [patent_app_type] => utility [patent_app_number] => 17/187479 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17187479 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/187479
SW-SAGD with between heel and toe injection Feb 25, 2021 Issued
Array ( [id] => 18931386 [patent_doc_number] => 11883783 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => System and method for electrochemical treatment of aqueous fluid for oilfield applications [patent_app_type] => utility [patent_app_number] => 17/186761 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5597 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17186761 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186761
System and method for electrochemical treatment of aqueous fluid for oilfield applications Feb 25, 2021 Issued
Menu