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] => 18644245 [patent_doc_number] => 11768309 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Magnetism detection apparatus for underwater unexploded ordnance and method for controlling the same [patent_app_type] => utility [patent_app_number] => 16/845037 [patent_app_country] => US [patent_app_date] => 2020-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5873 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 358 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16845037 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/845037
Magnetism detection apparatus for underwater unexploded ordnance and method for controlling the same Apr 8, 2020 Issued
Array ( [id] => 17612772 [patent_doc_number] => 20220155051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => ABSOLUTE ENCODER [patent_app_type] => utility [patent_app_number] => 17/593858 [patent_app_country] => US [patent_app_date] => 2020-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30237 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17593858 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/593858
ABSOLUTE ENCODER Mar 23, 2020 Pending
Array ( [id] => 17689144 [patent_doc_number] => 20220196436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => Sensor for a Magnetic Measuring Device [patent_app_type] => utility [patent_app_number] => 17/600446 [patent_app_country] => US [patent_app_date] => 2020-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17600446 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/600446
Sensor for a Magnetic Measuring Device Mar 23, 2020 Pending
Array ( [id] => 17580227 [patent_doc_number] => 20220137082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => METHOD FOR DETERMINING A SPEED OF AN ELECTRONICALLY COMMUTATED ELECTRIC MOTOR [patent_app_type] => utility [patent_app_number] => 17/430845 [patent_app_country] => US [patent_app_date] => 2020-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3433 [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] => 17430845 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/430845
METHOD FOR DETERMINING A SPEED OF AN ELECTRONICALLY COMMUTATED ELECTRIC MOTOR Mar 19, 2020 Pending
Array ( [id] => 16329969 [patent_doc_number] => 20200300935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => Hall Effect Prism Sensor [patent_app_type] => utility [patent_app_number] => 16/816948 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4195 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16816948 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/816948
Hall Effect Prism Sensor Mar 11, 2020 Abandoned
Array ( [id] => 16345333 [patent_doc_number] => 20200309983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => MAGNETIC SUBSTANCE DETECTION SENSOR [patent_app_type] => utility [patent_app_number] => 16/806124 [patent_app_country] => US [patent_app_date] => 2020-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5582 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16806124 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/806124
MAGNETIC SUBSTANCE DETECTION SENSOR Mar 1, 2020 Abandoned
Array ( [id] => 16362611 [patent_doc_number] => 20200319362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => Non-Invasive Method For Behind-Casing Cable Localization [patent_app_type] => utility [patent_app_number] => 16/777822 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8431 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16777822 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/777822
Non-Invasive Method For Behind-Casing Cable Localization Jan 29, 2020 Pending
Array ( [id] => 16208092 [patent_doc_number] => 20200241082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => BRIDGE SENSOR WITH DUMMY RESISTOR STRUCTURE [patent_app_type] => utility [patent_app_number] => 16/751661 [patent_app_country] => US [patent_app_date] => 2020-01-24 [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] => -14 [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] => 16751661 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/751661
BRIDGE SENSOR WITH DUMMY RESISTOR STRUCTURE Jan 23, 2020 Abandoned
Array ( [id] => 16191971 [patent_doc_number] => 20200232820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => SCANNING UNIT FOR AN ANGLE-MEASURING DEVICE [patent_app_type] => utility [patent_app_number] => 16/744213 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16744213 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/744213
SCANNING UNIT FOR AN ANGLE-MEASURING DEVICE Jan 15, 2020 Pending
Array ( [id] => 16399936 [patent_doc_number] => 20200340794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => METHOD AND APPARATUS FOR MEASURING ANGLE BETWEEN TWO BODIES OF FOLDABLE DEVICE [patent_app_type] => utility [patent_app_number] => 16/724928 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16724928 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/724928
METHOD AND APPARATUS FOR MEASURING ANGLE BETWEEN TWO BODIES OF FOLDABLE DEVICE Dec 22, 2019 Abandoned
Array ( [id] => 18140908 [patent_doc_number] => 20230014749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => METAL DETECTOR HAVING TRANSMITTER WITH ACTIVE MAGNETIC COMPENSATION [patent_app_type] => utility [patent_app_number] => 17/782671 [patent_app_country] => US [patent_app_date] => 2019-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 1 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17782671 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/782671
METAL DETECTOR HAVING TRANSMITTER WITH ACTIVE MAGNETIC COMPENSATION Dec 4, 2019 Pending
Array ( [id] => 17358074 [patent_doc_number] => 20220018870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => COIL BODY, INDUCTIVE ROTATIONAL SPEED SENSOR, AND METHOD FOR PRODUCING THE SAME [patent_app_type] => utility [patent_app_number] => 17/312356 [patent_app_country] => US [patent_app_date] => 2019-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17312356 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/312356
COIL BODY, INDUCTIVE ROTATIONAL SPEED SENSOR, AND METHOD FOR PRODUCING THE SAME Dec 2, 2019 Pending
Array ( [id] => 16847989 [patent_doc_number] => 20210148734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => ABSOLUTE ANGLE SENSOR WITH IMPROVED ACCURANCY USING ERROR ESTIMATION [patent_app_type] => utility [patent_app_number] => 16/689494 [patent_app_country] => US [patent_app_date] => 2019-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5978 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16689494 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/689494
Absolute angle sensor with improved accuracy using error estimation Nov 19, 2019 Issued
Array ( [id] => 15868717 [patent_doc_number] => 20200141762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => LOW COST PRECISION DISPLACEMENT SENSOR [patent_app_type] => utility [patent_app_number] => 16/677174 [patent_app_country] => US [patent_app_date] => 2019-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16677174 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/677174
LOW COST PRECISION DISPLACEMENT SENSOR Nov 6, 2019 Abandoned
Array ( [id] => 17337021 [patent_doc_number] => 20220003352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => SYSTEM AND METHOD TO DETECT AN INLINE TOOL IN A PIPE [patent_app_type] => utility [patent_app_number] => 17/292365 [patent_app_country] => US [patent_app_date] => 2019-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7975 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17292365 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/292365
SYSTEM AND METHOD TO DETECT AN INLINE TOOL IN A PIPE Nov 6, 2019 Pending
Array ( [id] => 17605048 [patent_doc_number] => 11333527 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-17 [patent_title] => Screening system for magnetic rotary-encoder sensor system [patent_app_type] => utility [patent_app_number] => 16/675774 [patent_app_country] => US [patent_app_date] => 2019-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 7308 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16675774 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/675774
Screening system for magnetic rotary-encoder sensor system Nov 5, 2019 Issued
Array ( [id] => 18129736 [patent_doc_number] => 11555940 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Position sensing apparatus and method [patent_app_type] => utility [patent_app_number] => 16/668761 [patent_app_country] => US [patent_app_date] => 2019-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 5193 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16668761 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/668761
Position sensing apparatus and method Oct 29, 2019 Issued
Array ( [id] => 16658626 [patent_doc_number] => 20210055263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => METHOD FOR MEASURING FORMATION CONDUCTIVITY DISTRIBUTION BASED ON TRANSIENT ELECTROMAGNETIC EDDY CURRENT FIELD [patent_app_type] => utility [patent_app_number] => 16/664131 [patent_app_country] => US [patent_app_date] => 2019-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6869 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16664131 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/664131
METHOD FOR MEASURING FORMATION CONDUCTIVITY DISTRIBUTION BASED ON TRANSIENT ELECTROMAGNETIC EDDY CURRENT FIELD Oct 24, 2019 Abandoned
Array ( [id] => 15965669 [patent_doc_number] => 20200166586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => DYNAMIC RANGE MODULE, SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 16/592746 [patent_app_country] => US [patent_app_date] => 2019-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16592746 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/592746
DYNAMIC RANGE MODULE, SYSTEM AND METHOD Oct 2, 2019 Abandoned
Array ( [id] => 15499119 [patent_doc_number] => 20200049748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-13 [patent_title] => High Frequency Or Multifrequency Resistivity Tool [patent_app_type] => utility [patent_app_number] => 16/580921 [patent_app_country] => US [patent_app_date] => 2019-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16580921 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/580921
High Frequency Or Multifrequency Resistivity Tool Sep 23, 2019 Abandoned
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