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] => 17030172 [patent_doc_number] => 11091979 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => Method and apparatus for setting an integrated hanger and annular seal before cementing [patent_app_type] => utility [patent_app_number] => 16/429495 [patent_app_country] => US [patent_app_date] => 2019-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2812 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16429495 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/429495
Method and apparatus for setting an integrated hanger and annular seal before cementing Jun 2, 2019 Issued
Array ( [id] => 15211251 [patent_doc_number] => 20190368312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => ANNULAR CONTROLLED SAFETY VALVE SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 16/428608 [patent_app_country] => US [patent_app_date] => 2019-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16428608 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/428608
Annular controlled safety valve system and method May 30, 2019 Issued
Array ( [id] => 16635658 [patent_doc_number] => 10914156 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-09 [patent_title] => Frac pulser system and method of use thereof [patent_app_type] => utility [patent_app_number] => 16/426694 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5720 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16426694 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/426694
Frac pulser system and method of use thereof May 29, 2019 Issued
Array ( [id] => 16468891 [patent_doc_number] => 20200370428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => Caliper-Behind-Casing from Pulsed Neutron Apparatus [patent_app_type] => utility [patent_app_number] => 16/421829 [patent_app_country] => US [patent_app_date] => 2019-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16421829 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/421829
Caliper-behind-casing from pulsed neutron apparatus May 23, 2019 Issued
Array ( [id] => 16415002 [patent_doc_number] => 10822881 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-03 [patent_title] => Split roller cone and PDC composite drill bit [patent_app_type] => utility [patent_app_number] => 16/419019 [patent_app_country] => US [patent_app_date] => 2019-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3545 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 659 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16419019 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/419019
Split roller cone and PDC composite drill bit May 21, 2019 Issued
Array ( [id] => 16573213 [patent_doc_number] => 10895128 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-19 [patent_title] => Taper lock bypass plunger [patent_app_type] => utility [patent_app_number] => 16/419457 [patent_app_country] => US [patent_app_date] => 2019-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 19 [patent_no_of_words] => 7528 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16419457 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/419457
Taper lock bypass plunger May 21, 2019 Issued
Array ( [id] => 15179409 [patent_doc_number] => 20190360296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => Frac Ball Dispenser [patent_app_type] => utility [patent_app_number] => 16/418188 [patent_app_country] => US [patent_app_date] => 2019-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5875 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16418188 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/418188
Frac ball dispenser May 20, 2019 Issued
Array ( [id] => 17282066 [patent_doc_number] => 11199087 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-14 [patent_title] => Module for housing components on a downhole tool [patent_app_type] => utility [patent_app_number] => 16/417313 [patent_app_country] => US [patent_app_date] => 2019-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6342 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 16417313 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/417313
Module for housing components on a downhole tool May 19, 2019 Issued
Array ( [id] => 16453250 [patent_doc_number] => 20200362676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => Apparatus for Electromechanically Connecting a Plurality of Guns for Well Perforation [patent_app_type] => utility [patent_app_number] => 16/411851 [patent_app_country] => US [patent_app_date] => 2019-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4523 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16411851 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/411851
Apparatus for Electromechanically Connecting a Plurality of Guns for Well Perforation May 13, 2019 Abandoned
Array ( [id] => 17728231 [patent_doc_number] => 11384611 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Enhancing screw geometry [patent_app_type] => utility [patent_app_number] => 16/638904 [patent_app_country] => US [patent_app_date] => 2019-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6924 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 16638904 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/638904
Enhancing screw geometry May 2, 2019 Issued
Array ( [id] => 16642656 [patent_doc_number] => 10920498 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-02-16 [patent_title] => Digging auger [patent_app_type] => utility [patent_app_number] => 16/401388 [patent_app_country] => US [patent_app_date] => 2019-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2185 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16401388 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/401388
Digging auger May 1, 2019 Issued
Array ( [id] => 16422500 [patent_doc_number] => 20200347698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => OPERATING A SUBSURFACE SAFETY VALVE USING A DOWNHOLE PUMP [patent_app_type] => utility [patent_app_number] => 16/400309 [patent_app_country] => US [patent_app_date] => 2019-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16400309 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/400309
Operating a subsurface safety valve using a downhole pump Apr 30, 2019 Issued
Array ( [id] => 16422501 [patent_doc_number] => 20200347699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => TUBING TESTER VALVE AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 16/398660 [patent_app_country] => US [patent_app_date] => 2019-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16398660 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/398660
Tubing tester valve and associated methods Apr 29, 2019 Issued
Array ( [id] => 16429928 [patent_doc_number] => 10830003 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-10 [patent_title] => Side pocket mandrel for plunger lift [patent_app_type] => utility [patent_app_number] => 16/396294 [patent_app_country] => US [patent_app_date] => 2019-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 38 [patent_no_of_words] => 11758 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16396294 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/396294
Side pocket mandrel for plunger lift Apr 25, 2019 Issued
Array ( [id] => 16689002 [patent_doc_number] => 20210071478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => MELTING HEAD FOR ICE-MELTING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/978685 [patent_app_country] => US [patent_app_date] => 2019-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2683 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16978685 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/978685
Melting head for ice-melting apparatus Apr 24, 2019 Issued
Array ( [id] => 15833161 [patent_doc_number] => 20200131862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => WIRELESS SHEAVE WHEEL FOR WIRELINE OPERATIONS [patent_app_type] => utility [patent_app_number] => 16/390158 [patent_app_country] => US [patent_app_date] => 2019-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3727 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16390158 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/390158
Wireless sheave wheel for wireline operations Apr 21, 2019 Issued
Array ( [id] => 16598714 [patent_doc_number] => 20210025245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => DEPLOYABLE CASING CENTRALISER WITH LATCH FOR BOW SPRINGS [patent_app_type] => utility [patent_app_number] => 16/975459 [patent_app_country] => US [patent_app_date] => 2019-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13132 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16975459 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/975459
DEPLOYABLE CASING CENTRALISER WITH LATCH FOR BOW SPRINGS Apr 14, 2019 Abandoned
Array ( [id] => 16909327 [patent_doc_number] => 11041359 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-22 [patent_title] => Eccentric seat for flapper valve [patent_app_type] => utility [patent_app_number] => 16/382871 [patent_app_country] => US [patent_app_date] => 2019-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5260 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16382871 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/382871
Eccentric seat for flapper valve Apr 11, 2019 Issued
Array ( [id] => 16736181 [patent_doc_number] => 10961819 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-30 [patent_title] => Downhole valve for production or injection [patent_app_type] => utility [patent_app_number] => 16/380888 [patent_app_country] => US [patent_app_date] => 2019-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 30 [patent_no_of_words] => 15131 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16380888 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/380888
Downhole valve for production or injection Apr 9, 2019 Issued
Array ( [id] => 14716937 [patent_doc_number] => 20190249532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-15 [patent_title] => SYSTEM FOR LOCKING INTERIOR DOOR LATCHES [patent_app_type] => utility [patent_app_number] => 16/378613 [patent_app_country] => US [patent_app_date] => 2019-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16378613 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/378613
SYSTEM FOR LOCKING INTERIOR DOOR LATCHES Apr 8, 2019 Abandoned
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