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] => 14021057 [patent_doc_number] => 20190072522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => System and Method for Detecting and Characterizing Defects in a Pipe [patent_app_type] => utility [patent_app_number] => 16/182228 [patent_app_country] => US [patent_app_date] => 2018-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3910 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16182228 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/182228
System and Method for Detecting and Characterizing Defects in a Pipe Nov 5, 2018 Abandoned
Array ( [id] => 13932023 [patent_doc_number] => 20190049527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => Magnetic Field Sensor Integrated Circuit with Integral Ferromagnetic Material [patent_app_type] => utility [patent_app_number] => 16/165464 [patent_app_country] => US [patent_app_date] => 2018-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12133 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16165464 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/165464
Magnetic Field Sensor Integrated Circuit with Integral Ferromagnetic Material Oct 18, 2018 Abandoned
Array ( [id] => 14074699 [patent_doc_number] => 20190086237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => MAGNETIC SENSOR DEVICE WITH HEAT DISSIPATER [patent_app_type] => utility [patent_app_number] => 16/156939 [patent_app_country] => US [patent_app_date] => 2018-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16156939 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/156939
Magnetic sensor device with heat dissipater Oct 9, 2018 Issued
Array ( [id] => 15411037 [patent_doc_number] => 20200025840 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => ELECTROMAGNETIC GRADIOMETERS [patent_app_type] => utility [patent_app_number] => 16/150460 [patent_app_country] => US [patent_app_date] => 2018-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16150460 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/150460
Electromagnetic gradiometers Oct 2, 2018 Issued
Array ( [id] => 13903059 [patent_doc_number] => 20190040734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => MULTIPLE-DEPTH EDDY CURRENT PIPE INSPECTION WITH A SINGLE COIL ANTENNA [patent_app_type] => utility [patent_app_number] => 16/144701 [patent_app_country] => US [patent_app_date] => 2018-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16144701 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/144701
Multiple-depth eddy current pipe inspection with a single coil antenna Sep 26, 2018 Issued
Array ( [id] => 14627017 [patent_doc_number] => 20190226876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-25 [patent_title] => SENSOR [patent_app_type] => utility [patent_app_number] => 16/129361 [patent_app_country] => US [patent_app_date] => 2018-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16129361 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/129361
SENSOR Sep 11, 2018 Abandoned
Array ( [id] => 16223934 [patent_doc_number] => 20200249051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => POSITION SENSOR AND METHOD FOR POSITION SENSING AND DIAGNOSTIC [patent_app_type] => utility [patent_app_number] => 16/652845 [patent_app_country] => US [patent_app_date] => 2018-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16652845 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/652845
Position sensor and method for position sensing and diagnostic Aug 30, 2018 Issued
Array ( [id] => 13736689 [patent_doc_number] => 20180372812 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => EQUILIBRIUM-TYPE MAGNETIC FIELD DETECTION DEVICE [patent_app_type] => utility [patent_app_number] => 16/118129 [patent_app_country] => US [patent_app_date] => 2018-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6837 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16118129 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/118129
EQUILIBRIUM-TYPE MAGNETIC FIELD DETECTION DEVICE Aug 29, 2018 Abandoned
Array ( [id] => 16591554 [patent_doc_number] => 10900809 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => Magnetic sensor having sensor gear, electric motor having the magnetic sensor, and method of manufacturing machine having the magnetic sensor [patent_app_type] => utility [patent_app_number] => 16/111509 [patent_app_country] => US [patent_app_date] => 2018-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2912 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 357 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16111509 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/111509
Magnetic sensor having sensor gear, electric motor having the magnetic sensor, and method of manufacturing machine having the magnetic sensor Aug 23, 2018 Issued
Array ( [id] => 13524737 [patent_doc_number] => 20180313911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => MAGNETIC SENSOR DEVICE HAVING AN ENCLOSURE WITH STEP PORTIONS AND GROOVES CONTINUOUS WITH THE STEP PORTIONS AND METHOD OF MANUFACTURE THEREOF [patent_app_type] => utility [patent_app_number] => 16/026143 [patent_app_country] => US [patent_app_date] => 2018-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16026143 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/026143
MAGNETIC SENSOR DEVICE HAVING AN ENCLOSURE WITH STEP PORTIONS AND GROOVES CONTINUOUS WITH THE STEP PORTIONS AND METHOD OF MANUFACTURE THEREOF Jul 2, 2018 Abandoned
Array ( [id] => 15326503 [patent_doc_number] => 20200003581 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => SCALE CONFIGURATION FOR INDUCTIVE POSITION ENCODER [patent_app_type] => utility [patent_app_number] => 16/021528 [patent_app_country] => US [patent_app_date] => 2018-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 357 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16021528 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/021528
SCALE CONFIGURATION FOR INDUCTIVE POSITION ENCODER Jun 27, 2018 Pending
Array ( [id] => 13736683 [patent_doc_number] => 20180372809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => HALL SENSOR READOUT CIRCUIT, CORRESPONDING DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 16/013558 [patent_app_country] => US [patent_app_date] => 2018-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5985 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16013558 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/013558
HALL SENSOR READOUT CIRCUIT, CORRESPONDING DEVICE AND METHOD Jun 19, 2018 Abandoned
Array ( [id] => 13736685 [patent_doc_number] => 20180372810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => Magnetic Sensor Device, Self-Calibration Methods And Current Sensor [patent_app_type] => utility [patent_app_number] => 16/013539 [patent_app_country] => US [patent_app_date] => 2018-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4518 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16013539 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/013539
Magnetic Sensor Device, Self-Calibration Methods And Current Sensor Jun 19, 2018 Abandoned
Array ( [id] => 18275402 [patent_doc_number] => 11614341 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Methods and devices for using multi-turn magnetic sensors with extended magnetic windows [patent_app_type] => utility [patent_app_number] => 16/008869 [patent_app_country] => US [patent_app_date] => 2018-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10832 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16008869 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/008869
Methods and devices for using multi-turn magnetic sensors with extended magnetic windows Jun 13, 2018 Issued
Array ( [id] => 15269821 [patent_doc_number] => 20190383645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => INITIALIZATION STATE DETERMINATION OF A MAGNETIC MULTI-TURN SENSOR [patent_app_type] => utility [patent_app_number] => 16/007794 [patent_app_country] => US [patent_app_date] => 2018-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16007794 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/007794
INITIALIZATION STATE DETERMINATION OF A MAGNETIC MULTI-TURN SENSOR Jun 12, 2018 Abandoned
Array ( [id] => 15713559 [patent_doc_number] => 20200103546 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => SHOE SCANNING SYSTEM FOR FULL-BODY SCANNER AND METHOD FOR RETROFITTING A FULL-BODY SCANNER [patent_app_type] => utility [patent_app_number] => 16/620323 [patent_app_country] => US [patent_app_date] => 2018-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9439 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 16620323 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/620323
SHOE SCANNING SYSTEM FOR FULL-BODY SCANNER AND METHOD FOR RETROFITTING A FULL-BODY SCANNER Jun 7, 2018 Abandoned
Array ( [id] => 17891600 [patent_doc_number] => 11454560 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-27 [patent_title] => Three-dimensional whisker sensor for accurate positioning of end location [patent_app_type] => utility [patent_app_number] => 16/467032 [patent_app_country] => US [patent_app_date] => 2018-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2331 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16467032 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/467032
Three-dimensional whisker sensor for accurate positioning of end location May 22, 2018 Issued
Array ( [id] => 16075797 [patent_doc_number] => 20200191885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => MAGNETIC SENSOR [patent_app_type] => utility [patent_app_number] => 16/615062 [patent_app_country] => US [patent_app_date] => 2018-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16615062 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/615062
Magnetic sensor May 20, 2018 Issued
Array ( [id] => 15560197 [patent_doc_number] => 20200064510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => Inductive Proximity Switch [patent_app_type] => utility [patent_app_number] => 16/611755 [patent_app_country] => US [patent_app_date] => 2018-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2976 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16611755 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/611755
Inductive Proximity Switch May 7, 2018 Pending
Array ( [id] => 13524733 [patent_doc_number] => 20180313909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => MAGNETIC SENSOR CIRCUIT [patent_app_type] => utility [patent_app_number] => 15/964999 [patent_app_country] => US [patent_app_date] => 2018-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 15964999 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/964999
MAGNETIC SENSOR CIRCUIT Apr 26, 2018 Abandoned
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