Search

Zhengxi Liu

Examiner (ID: 6633, Phone: (571)270-7509 , Office: P/2611 )

Most Active Art Unit
2611
Art Unit(s)
OPQA, 2611, 2628, 2677
Total Applications
360
Issued Applications
235
Pending Applications
2
Abandoned Applications
123

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17218476 [patent_doc_number] => 20210351814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => Devices, Systems and Methods Using a Common Frame of Reference to Provide a Consistent Magnetic Field Orientation for Magnetic Coupling [patent_app_type] => utility [patent_app_number] => 17/314658 [patent_app_country] => US [patent_app_date] => 2021-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17314658 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/314658
Devices, Systems and Methods Using a Common Frame of Reference to Provide a Consistent Magnetic Field Orientation for Magnetic Coupling May 6, 2021 Pending
Array ( [id] => 17947267 [patent_doc_number] => 20220334286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => DETERMINING A LOCATION OF A TOOL IN A TUBULAR [patent_app_type] => utility [patent_app_number] => 17/234555 [patent_app_country] => US [patent_app_date] => 2021-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17234555 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/234555
DETERMINING A LOCATION OF A TOOL IN A TUBULAR Apr 18, 2021 Pending
Array ( [id] => 17171813 [patent_doc_number] => 20210325483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => Sensor Device and Sensor Assembly For Measuring The Rotational Position of an Element [patent_app_type] => utility [patent_app_number] => 17/231427 [patent_app_country] => US [patent_app_date] => 2021-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17231427 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/231427
Sensor Device and Sensor Assembly For Measuring The Rotational Position of an Element Apr 14, 2021 Pending
Array ( [id] => 17143126 [patent_doc_number] => 20210311139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => DEVICE AND METHOD FOR DETECTING A MAGNETIC FIELD USING THE SPIN ORBIT TORQUE EFFECT [patent_app_type] => utility [patent_app_number] => 17/220129 [patent_app_country] => US [patent_app_date] => 2021-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14837 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17220129 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/220129
DEVICE AND METHOD FOR DETECTING A MAGNETIC FIELD USING THE SPIN ORBIT TORQUE EFFECT Mar 31, 2021 Pending
Array ( [id] => 17008287 [patent_doc_number] => 20210239448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => APPARATUS AND METHOD FOR DETERMINING BOREHOLE SIZE WITH A BOREHOLE IMAGING TOOL [patent_app_type] => utility [patent_app_number] => 17/217734 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17217734 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/217734
Apparatus and method for determining borehole size with a borehole imaging tool Mar 29, 2021 Issued
Array ( [id] => 16949521 [patent_doc_number] => 20210208212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => HALL SENSOR READOUT CIRCUIT, CORRESPONDING DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 17/211149 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211149 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/211149
Hall sensor readout circuit, corresponding device and method Mar 23, 2021 Issued
Array ( [id] => 16933843 [patent_doc_number] => 20210199732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => HALL ELECTROMOTIVE FORCE SIGNAL DETECTION CIRCUIT HAVING A DIFFERENCE CALCULATION CIRCUIT AND CURRENT SENSOR THEREOF [patent_app_type] => utility [patent_app_number] => 17/200515 [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] => 11148 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17200515 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/200515
Hall electromotive force signal detection circuit having a difference calculation circuit and current sensor thereof Mar 11, 2021 Issued
Array ( [id] => 16949609 [patent_doc_number] => 20210208300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => CONSTANT CURRENT METAL DETECTOR WITH DRIVEN TRANSMIT COIL [patent_app_type] => utility [patent_app_number] => 17/191261 [patent_app_country] => US [patent_app_date] => 2021-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17258 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17191261 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/191261
CONSTANT CURRENT METAL DETECTOR WITH DRIVEN TRANSMIT COIL Mar 2, 2021 Abandoned
Array ( [id] => 17831657 [patent_doc_number] => 20220268961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => METAL DETECTOR [patent_app_type] => utility [patent_app_number] => 17/184324 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17184324 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/184324
METAL DETECTOR Feb 23, 2021 Pending
Array ( [id] => 17831657 [patent_doc_number] => 20220268961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => METAL DETECTOR [patent_app_type] => utility [patent_app_number] => 17/184324 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17184324 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/184324
METAL DETECTOR Feb 23, 2021 Pending
Array ( [id] => 17293552 [patent_doc_number] => 20210389391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => System and Method for Reservoir Monitoring Using SQUID Magnetic Sensors [patent_app_type] => utility [patent_app_number] => 17/183094 [patent_app_country] => US [patent_app_date] => 2021-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17183094 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/183094
System and Method for Reservoir Monitoring Using SQUID Magnetic Sensors Feb 22, 2021 Abandoned
Array ( [id] => 17564684 [patent_doc_number] => 20220128833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => APPARATUS WITH HALL SENSOR COMMON MODE VOLTAGE ADJUSTMENT AND APPARATUS WITH LENS MODULE CONTROL [patent_app_type] => utility [patent_app_number] => 17/182305 [patent_app_country] => US [patent_app_date] => 2021-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17182305 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/182305
APPARATUS WITH HALL SENSOR COMMON MODE VOLTAGE ADJUSTMENT AND APPARATUS WITH LENS MODULE CONTROL Feb 22, 2021 Pending
Array ( [id] => 16993404 [patent_doc_number] => 20210231824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => Metal Detector [patent_app_type] => utility [patent_app_number] => 17/160584 [patent_app_country] => US [patent_app_date] => 2021-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17160584 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/160584
Metal Detector Jan 27, 2021 Abandoned
Array ( [id] => 17705808 [patent_doc_number] => 20220205814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => SENSING WINDING CONFIGURATION FOR INDUCTIVE POSITION ENCODER [patent_app_type] => utility [patent_app_number] => 17/139596 [patent_app_country] => US [patent_app_date] => 2020-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 416 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17139596 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/139596
SENSING WINDING CONFIGURATION FOR INDUCTIVE POSITION ENCODER Dec 30, 2020 Pending
Array ( [id] => 16917381 [patent_doc_number] => 20210190473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => STATOR PACKAGE, ROTOR PACKAGE AND INDUCTIVE ANGLE SENSOR [patent_app_type] => utility [patent_app_number] => 17/123572 [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] => 9856 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17123572 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/123572
STATOR PACKAGE, ROTOR PACKAGE AND INDUCTIVE ANGLE SENSOR Dec 15, 2020 Pending
Array ( [id] => 17215572 [patent_doc_number] => 20210348910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => Inductive Sensor Having One or More Modular Circuit Boards [patent_app_type] => utility [patent_app_number] => 17/106729 [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] => 10235 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17106729 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/106729
Inductive Sensor Having One or More Modular Circuit Boards Nov 29, 2020 Pending
Array ( [id] => 16713463 [patent_doc_number] => 20210080610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => METAMATERIAL ELECTROMAGNETIC SENSORS FOR WELL LOGGING MEASUREMENTS [patent_app_type] => utility [patent_app_number] => 17/107766 [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] => 6432 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17107766 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/107766
METAMATERIAL ELECTROMAGNETIC SENSORS FOR WELL LOGGING MEASUREMENTS Nov 29, 2020 Abandoned
Array ( [id] => 16856186 [patent_doc_number] => 20210156931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => MAGNETIC FIELD MEASURING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/953824 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16953824 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/953824
MAGNETIC FIELD MEASURING APPARATUS Nov 19, 2020 Pending
Array ( [id] => 16856277 [patent_doc_number] => 20210157022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => THREE-DIMENSIONAL RESISTIVITY PROBE FOR IN-SITU MONITORING [patent_app_type] => utility [patent_app_number] => 17/093250 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17093250 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/093250
THREE-DIMENSIONAL RESISTIVITY PROBE FOR IN-SITU MONITORING Nov 8, 2020 Abandoned
Array ( [id] => 18059330 [patent_doc_number] => 20220390416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => EDDY CURRENT INSPECTION OF METAL CONTAINERS [patent_app_type] => utility [patent_app_number] => 17/774579 [patent_app_country] => US [patent_app_date] => 2020-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4702 [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] => 17774579 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/774579
EDDY CURRENT INSPECTION OF METAL CONTAINERS Nov 5, 2020 Pending
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