Search

Anna Korovina

Examiner (ID: 10830, Phone: (571)272-9835 , Office: P/1729 )

Most Active Art Unit
1729
Art Unit(s)
1729
Total Applications
406
Issued Applications
102
Pending Applications
73
Abandoned Applications
252

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17735362 [patent_doc_number] => 20220220821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => WIPER PLUG [patent_app_type] => utility [patent_app_number] => 17/145137 [patent_app_country] => US [patent_app_date] => 2021-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10793 [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] => 17145137 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/145137
Wiper plug Jan 7, 2021 Issued
Array ( [id] => 17171018 [patent_doc_number] => 20210324688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => PLUG AND VALVE INTEGRATED CONE VALVE PUMP WITH COMBINED TYPE MOVABLE AND FIXED THREE CYLINDERS AND TWO SPIRAL CENTRALIZERS [patent_app_type] => utility [patent_app_number] => 17/142261 [patent_app_country] => US [patent_app_date] => 2021-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10088 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17142261 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/142261
Plug and valve integrated cone valve pump with combined type movable and fixed three cylinders and two spiral centralizers Jan 5, 2021 Issued
Array ( [id] => 17815910 [patent_doc_number] => 11421510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-23 [patent_title] => Downhole tool assemblies for drilling wellbores and methods for operating the same [patent_app_type] => utility [patent_app_number] => 17/137878 [patent_app_country] => US [patent_app_date] => 2020-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5786 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17137878 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/137878
Downhole tool assemblies for drilling wellbores and methods for operating the same Dec 29, 2020 Issued
Array ( [id] => 17938930 [patent_doc_number] => 11473374 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Deployment tool and deployment tool assembly [patent_app_type] => utility [patent_app_number] => 17/136098 [patent_app_country] => US [patent_app_date] => 2020-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7141 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [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] => 17136098 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/136098
Deployment tool and deployment tool assembly Dec 28, 2020 Issued
Array ( [id] => 18233624 [patent_doc_number] => 11598173 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Frac system with flapper valve [patent_app_type] => utility [patent_app_number] => 17/135849 [patent_app_country] => US [patent_app_date] => 2020-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4140 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [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] => 17135849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/135849
Frac system with flapper valve Dec 27, 2020 Issued
Array ( [id] => 16916759 [patent_doc_number] => 20210189851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => Apparatus To Locate And Isolate A Pump Intake In An Oil And Gas Well Utilizing A Casing Gas Separator [patent_app_type] => utility [patent_app_number] => 17/128935 [patent_app_country] => US [patent_app_date] => 2020-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2755 [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] => 17128935 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/128935
Apparatus to locate and isolate a pump intake in an oil and gas well utilizing a casing gas separator Dec 20, 2020 Issued
Array ( [id] => 17953925 [patent_doc_number] => 11480021 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-25 [patent_title] => Shaped charge assembly, explosive units, and methods for selectively expanding wall of a tubular [patent_app_type] => utility [patent_app_number] => 17/126982 [patent_app_country] => US [patent_app_date] => 2020-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 57 [patent_no_of_words] => 20225 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17126982 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/126982
Shaped charge assembly, explosive units, and methods for selectively expanding wall of a tubular Dec 17, 2020 Issued
Array ( [id] => 17688515 [patent_doc_number] => 20220195807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => PULSE POWER DRILLING CONTROL [patent_app_type] => utility [patent_app_number] => 17/125643 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17125643 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/125643
Pulse power drilling control Dec 16, 2020 Issued
Array ( [id] => 17673397 [patent_doc_number] => 20220186564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => VOLTAGE LINE COMMUNICATIONS DURING PULSE POWER DRILLING [patent_app_type] => utility [patent_app_number] => 17/123911 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14661 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17123911 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/123911
Voltage line communications during pulse power drilling Dec 15, 2020 Issued
Array ( [id] => 18216957 [patent_doc_number] => 11591883 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Tubing drain with burst inner body [patent_app_type] => utility [patent_app_number] => 17/111412 [patent_app_country] => US [patent_app_date] => 2020-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 41 [patent_no_of_words] => 5318 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17111412 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/111412
Tubing drain with burst inner body Dec 2, 2020 Issued
Array ( [id] => 17642591 [patent_doc_number] => 20220170329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => DISCONNECTING A STUCK DRILL PIPE [patent_app_type] => utility [patent_app_number] => 17/109679 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17109679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/109679
Disconnecting a stuck drill pipe Dec 1, 2020 Issued
Array ( [id] => 17642587 [patent_doc_number] => 20220170325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => FULL DEPTH DRILLING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/107177 [patent_app_country] => US [patent_app_date] => 2020-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4358 [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] => 17107177 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/107177
FULL DEPTH DRILLING SYSTEM AND METHOD Nov 29, 2020 Abandoned
Array ( [id] => 19368694 [patent_doc_number] => 12060770 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => System and method of pressure reduction and drainage of annulus of flexible pipes [patent_app_type] => utility [patent_app_number] => 17/782834 [patent_app_country] => US [patent_app_date] => 2020-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1644 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17782834 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/782834
System and method of pressure reduction and drainage of annulus of flexible pipes Nov 23, 2020 Issued
Array ( [id] => 17627902 [patent_doc_number] => 20220162917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => MULTI-DIAMETER THRUST CUPS [patent_app_type] => utility [patent_app_number] => 17/101965 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6335 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17101965 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/101965
Multi-diameter thrust cups Nov 22, 2020 Issued
Array ( [id] => 16689020 [patent_doc_number] => 20210071496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => SELF-INFLATING HIGH EXPANSION SEAL [patent_app_type] => utility [patent_app_number] => 17/101283 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23542 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17101283 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/101283
Self-inflating high expansion seal Nov 22, 2020 Issued
Array ( [id] => 17823120 [patent_doc_number] => 11428062 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Method for modifying installed wellbore flow control devices [patent_app_type] => utility [patent_app_number] => 17/093198 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2888 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17093198 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/093198
Method for modifying installed wellbore flow control devices Nov 8, 2020 Issued
Array ( [id] => 16793519 [patent_doc_number] => 20210123336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => ACTIVE OIL PHASE RECOVERY DEVICE FOR REMEDIATION WELLS [patent_app_type] => utility [patent_app_number] => 17/081659 [patent_app_country] => US [patent_app_date] => 2020-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17081659 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/081659
Active oil phase recovery device for remediation wells Oct 26, 2020 Issued
Array ( [id] => 18029364 [patent_doc_number] => 11512540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Methods for mitigating whirl [patent_app_type] => utility [patent_app_number] => 17/075740 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6864 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17075740 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/075740
Methods for mitigating whirl Oct 20, 2020 Issued
Array ( [id] => 17534175 [patent_doc_number] => 20220112784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => CEMENT PLUG FRAGMENTATION ENHANCEMENT [patent_app_type] => utility [patent_app_number] => 17/069430 [patent_app_country] => US [patent_app_date] => 2020-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17069430 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/069430
Cement plug fragmentation enhancement Oct 12, 2020 Issued
Array ( [id] => 18102888 [patent_doc_number] => 11542769 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-03 [patent_title] => High ratio reamer [patent_app_type] => utility [patent_app_number] => 17/067984 [patent_app_country] => US [patent_app_date] => 2020-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11233 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17067984 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/067984
High ratio reamer Oct 11, 2020 Issued
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