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] => 16216431 [patent_doc_number] => 10732233 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-04 [patent_title] => Calibration of sensitivity and axial orthogonality for magnetometers [patent_app_type] => utility [patent_app_number] => 15/953661 [patent_app_country] => US [patent_app_date] => 2018-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 10204 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15953661 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/953661
Calibration of sensitivity and axial orthogonality for magnetometers Apr 15, 2018 Issued
Array ( [id] => 14809919 [patent_doc_number] => 20190271569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => SCREENING SYSTEM FOR MAGNETIC ROTARY-ENCODER SENSOR SYSTEM [patent_app_type] => utility [patent_app_number] => 16/320289 [patent_app_country] => US [patent_app_date] => 2018-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7243 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16320289 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/320289
SCREENING SYSTEM FOR MAGNETIC ROTARY-ENCODER SENSOR SYSTEM Mar 26, 2018 Abandoned
Array ( [id] => 13331501 [patent_doc_number] => 20180217288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => SYSTEMS AND METHODS FOR ACTIVE CANCELLATION OF TRANSIENT SIGNALS AND DYNAMIC LOOP CONFIGURATION [patent_app_type] => utility [patent_app_number] => 15/933879 [patent_app_country] => US [patent_app_date] => 2018-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7493 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15933879 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/933879
SYSTEMS AND METHODS FOR ACTIVE CANCELLATION OF TRANSIENT SIGNALS AND DYNAMIC LOOP CONFIGURATION Mar 22, 2018 Abandoned
Array ( [id] => 19061078 [patent_doc_number] => 11940303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Position detection device and position detection method [patent_app_type] => utility [patent_app_number] => 16/489029 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 8013 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16489029 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/489029
Position detection device and position detection method Feb 28, 2018 Issued
Array ( [id] => 15326505 [patent_doc_number] => 20200003582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => Inductive Position Sensor with Improved Magnetic Shield and Plunger Core Design [patent_app_type] => utility [patent_app_number] => 16/486551 [patent_app_country] => US [patent_app_date] => 2018-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3795 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16486551 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/486551
Inductive Position Sensor with Improved Magnetic Shield and Plunger Core Design Feb 15, 2018 Abandoned
Array ( [id] => 15327193 [patent_doc_number] => 20200003926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => METAL DETECTOR FOR BURIED AND ABANDONED CHEMICAL WEAPONS [patent_app_type] => utility [patent_app_number] => 16/233113 [patent_app_country] => US [patent_app_date] => 2018-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16233113 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/233113
METAL DETECTOR FOR BURIED AND ABANDONED CHEMICAL WEAPONS Feb 1, 2018 Abandoned
Array ( [id] => 15295697 [patent_doc_number] => 20190390984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => ANGLE DETECTION DEVICE [patent_app_type] => utility [patent_app_number] => 16/466452 [patent_app_country] => US [patent_app_date] => 2018-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2950 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16466452 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/466452
ANGLE DETECTION DEVICE Jan 24, 2018 Abandoned
Array ( [id] => 12753982 [patent_doc_number] => 20180143161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-24 [patent_title] => EDDY CURRENT ARRAY PROBE AND METHOD FOR LIFT-OFF COMPENSATION DURING OPERATION WITHOUT KNOWN LIFT REFERENCES [patent_app_type] => utility [patent_app_number] => 15/872719 [patent_app_country] => US [patent_app_date] => 2018-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15872719 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/872719
EDDY CURRENT ARRAY PROBE AND METHOD FOR LIFT-OFF COMPENSATION DURING OPERATION WITHOUT KNOWN LIFT REFERENCES Jan 15, 2018 Abandoned
Array ( [id] => 13796107 [patent_doc_number] => 20190011592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => TRACKED DISTANCE MEASURING DEVICES, SYSTEMS, AND METHODS [patent_app_type] => utility [patent_app_number] => 15/866360 [patent_app_country] => US [patent_app_date] => 2018-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18679 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15866360 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/866360
TRACKED DISTANCE MEASURING DEVICES, SYSTEMS, AND METHODS Jan 8, 2018 Abandoned
Array ( [id] => 16199691 [patent_doc_number] => 10724844 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-28 [patent_title] => Multi-turn counter sensor [patent_app_type] => utility [patent_app_number] => 15/866206 [patent_app_country] => US [patent_app_date] => 2018-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 9218 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15866206 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/866206
Multi-turn counter sensor Jan 8, 2018 Issued
Array ( [id] => 16477422 [patent_doc_number] => 10852363 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-01 [patent_title] => Side-biased current sensor with improved dynamic range [patent_app_type] => utility [patent_app_number] => 15/864313 [patent_app_country] => US [patent_app_date] => 2018-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6233 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15864313 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/864313
Side-biased current sensor with improved dynamic range Jan 7, 2018 Issued
Array ( [id] => 12817237 [patent_doc_number] => 20180164251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => Eddy Current Tester in Probe Head [patent_app_type] => utility [patent_app_number] => 15/838643 [patent_app_country] => US [patent_app_date] => 2017-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10193 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15838643 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/838643
Eddy Current Tester in Probe Head Dec 11, 2017 Abandoned
Array ( [id] => 12817645 [patent_doc_number] => 20180164387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => MAGNETIC SENSOR CIRCUITS AND SYSTEMS AND METHODS FOR FORMING MAGNETIC SENSOR CIRCUITS [patent_app_type] => utility [patent_app_number] => 15/837736 [patent_app_country] => US [patent_app_date] => 2017-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17655 [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] => 15837736 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/837736
Magnetic sensor circuits and systems and methods for forming magnetic sensor circuits Dec 10, 2017 Issued
Array ( [id] => 14442163 [patent_doc_number] => 20190178954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-13 [patent_title] => Magnetoresistance Element Having Selected Characteristics To Achieve A Desired Linearity [patent_app_type] => utility [patent_app_number] => 15/837511 [patent_app_country] => US [patent_app_date] => 2017-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6911 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 15837511 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/837511
Magnetoresistance Element Having Selected Characteristics To Achieve A Desired Linearity Dec 10, 2017 Abandoned
Array ( [id] => 12627210 [patent_doc_number] => 20180100900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-12 [patent_title] => OFFSET VOLTAGE COMPENSATION [patent_app_type] => utility [patent_app_number] => 15/836318 [patent_app_country] => US [patent_app_date] => 2017-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15836318 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/836318
Offset voltage compensation Dec 7, 2017 Issued
Array ( [id] => 15119547 [patent_doc_number] => 20190346406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => GAS DETECTION TECHNIQUE [patent_app_type] => utility [patent_app_number] => 16/466767 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8640 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 16466767 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/466767
GAS DETECTION TECHNIQUE Dec 4, 2017 Abandoned
Array ( [id] => 16016215 [patent_doc_number] => 20200182951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => VEHICLE BATTERY CURRENT SENSING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/466281 [patent_app_country] => US [patent_app_date] => 2017-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2512 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16466281 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/466281
Vehicle battery current sensing system Dec 3, 2017 Issued
Array ( [id] => 13567985 [patent_doc_number] => 20180335540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => LOCATOR DEVICE OF METAL OBJECTS WITH INTEGRATED COMMUNICATION INTERFACE [patent_app_type] => utility [patent_app_number] => 15/827463 [patent_app_country] => US [patent_app_date] => 2017-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15827463 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/827463
Locator device of metal objects with integrated communication interface Nov 29, 2017 Issued
Array ( [id] => 12645282 [patent_doc_number] => 20180106925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-19 [patent_title] => Constant Current Metal Detector with Driven Transmit Coil [patent_app_type] => utility [patent_app_number] => 15/820482 [patent_app_country] => US [patent_app_date] => 2017-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17087 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15820482 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/820482
Constant Current Metal Detector with Driven Transmit Coil Nov 21, 2017 Abandoned
Array ( [id] => 13128961 [patent_doc_number] => 10082405 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-09-25 [patent_title] => Position detector with a minimum magnetic flux density position shifted from a center of a gap [patent_app_type] => utility [patent_app_number] => 15/809301 [patent_app_country] => US [patent_app_date] => 2017-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 10058 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15809301 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/809301
Position detector with a minimum magnetic flux density position shifted from a center of a gap Nov 9, 2017 Issued
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