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] => 17389233 [patent_doc_number] => 20220037085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => MODULAR RECONFIGURABLE MAGNETIC NAVIGATION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/278466 [patent_app_country] => US [patent_app_date] => 2019-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7971 [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] => 17278466 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/278466
MODULAR RECONFIGURABLE MAGNETIC NAVIGATION SYSTEM AND METHOD Sep 19, 2019 Pending
Array ( [id] => 18045805 [patent_doc_number] => 11519752 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Coupler element shapes for inductive position sensors [patent_app_type] => utility [patent_app_number] => 16/570216 [patent_app_country] => US [patent_app_date] => 2019-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5094 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16570216 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/570216
Coupler element shapes for inductive position sensors Sep 12, 2019 Issued
Array ( [id] => 15327199 [patent_doc_number] => 20200003929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => MAGNETIC INDUCTION SENSOR WITH AN ELECTRO-OPTICAL TRANSDUCER AND RELATED METHODS AND SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/569520 [patent_app_country] => US [patent_app_date] => 2019-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9836 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16569520 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/569520
MAGNETIC INDUCTION SENSOR WITH AN ELECTRO-OPTICAL TRANSDUCER AND RELATED METHODS AND SYSTEMS Sep 11, 2019 Abandoned
Array ( [id] => 16438783 [patent_doc_number] => 20200356109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => SENSOR AND COMBINED MAGNETIC NAVIGATION SENSOR [patent_app_type] => utility [patent_app_number] => 16/564154 [patent_app_country] => US [patent_app_date] => 2019-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1526 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16564154 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/564154
SENSOR AND COMBINED MAGNETIC NAVIGATION SENSOR Sep 8, 2019 Abandoned
Array ( [id] => 17244836 [patent_doc_number] => 20210364579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => METHOD AND SYSTEM FOR CALIBRATING SENSORS [patent_app_type] => utility [patent_app_number] => 17/273457 [patent_app_country] => US [patent_app_date] => 2019-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17273457 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/273457
METHOD AND SYSTEM FOR CALIBRATING SENSORS Sep 4, 2019 Pending
Array ( [id] => 17023670 [patent_doc_number] => 20210247541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => Portable Detection System Comprising Magnetostatic Sensors [patent_app_type] => utility [patent_app_number] => 17/255080 [patent_app_country] => US [patent_app_date] => 2019-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17255080 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/255080
Portable Detection System Comprising Magnetostatic Sensors Jun 27, 2019 Pending
Array ( [id] => 17053743 [patent_doc_number] => 20210263177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => Portable Detection System Comprising Magnetostatic Sensors [patent_app_type] => utility [patent_app_number] => 17/254913 [patent_app_country] => US [patent_app_date] => 2019-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17254913 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/254913
Portable Detection System Comprising Magnetostatic Sensors Jun 27, 2019 Pending
Array ( [id] => 15256603 [patent_doc_number] => 20190377035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => MAGNETIC FIELD MEASUREMENT APPARATUS, MAGNETIC FIELD MEASUREMENT METHOD, AND STORAGE MEDIUM WITH MAGNETIC FIELD MEASUREMENT PROGRAM STORED THEREON [patent_app_type] => utility [patent_app_number] => 16/434192 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16434192 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/434192
Magnetic field measurement apparatus, magnetic field measurement method, and storage medium with magnetic field measurement program stored thereon Jun 6, 2019 Issued
Array ( [id] => 18462311 [patent_doc_number] => 11686597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-27 [patent_title] => Magnetic field sensors and output signal formats for magnetic field sensors [patent_app_type] => utility [patent_app_number] => 16/434649 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11456 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16434649 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/434649
Magnetic field sensors and output signal formats for magnetic field sensors Jun 6, 2019 Issued
Array ( [id] => 16507274 [patent_doc_number] => 20200386530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => Inductive Position and Velocity Estimator [patent_app_type] => utility [patent_app_number] => 16/433930 [patent_app_country] => US [patent_app_date] => 2019-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3756 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16433930 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/433930
Inductive Position and Velocity Estimator Jun 5, 2019 Pending
Array ( [id] => 15295627 [patent_doc_number] => 20190390949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => METHODS, APPARATUSES AND SYSTEMS FOR CONDUCTIVE FILM LAYER THICKNESS MEASUREMENTS [patent_app_type] => utility [patent_app_number] => 16/432104 [patent_app_country] => US [patent_app_date] => 2019-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8184 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16432104 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/432104
METHODS, APPARATUSES AND SYSTEMS FOR CONDUCTIVE FILM LAYER THICKNESS MEASUREMENTS Jun 4, 2019 Pending
Array ( [id] => 15210735 [patent_doc_number] => 20190368054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => APPARATUS FOR MEASURING A CATHODIC PROTECTION CONDITION OF A BURIED STEEL STRUCTURE, AND METHOD [patent_app_type] => utility [patent_app_number] => 16/431799 [patent_app_country] => US [patent_app_date] => 2019-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7332 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16431799 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/431799
Apparatus for measuring a cathodic protection condition of a buried steel structure, and method Jun 4, 2019 Issued
Array ( [id] => 16507458 [patent_doc_number] => 20200386714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => Electromagnetic Probe To Detect Discontinuities In Metal Joints [patent_app_type] => utility [patent_app_number] => 16/430656 [patent_app_country] => US [patent_app_date] => 2019-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16430656 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/430656
Electromagnetic Probe To Detect Discontinuities In Metal Joints Jun 3, 2019 Abandoned
Array ( [id] => 15256607 [patent_doc_number] => 20190377037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => METHOD FOR PROVIDING A MAGNETIC ROTARY SENSOR ENABLED BY SPIN-ORBIT TORQUE AND SPIN CURRENT [patent_app_type] => utility [patent_app_number] => 16/431317 [patent_app_country] => US [patent_app_date] => 2019-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5589 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16431317 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/431317
METHOD FOR PROVIDING A MAGNETIC ROTARY SENSOR ENABLED BY SPIN-ORBIT TORQUE AND SPIN CURRENT Jun 3, 2019 Pending
Array ( [id] => 15969385 [patent_doc_number] => 20200168444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => ANALYZING METHOD [patent_app_type] => utility [patent_app_number] => 16/430179 [patent_app_country] => US [patent_app_date] => 2019-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6129 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16430179 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/430179
Analyzing method Jun 2, 2019 Issued
Array ( [id] => 16488506 [patent_doc_number] => 20200382119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => ESTIMATION OF GAP BETWEEN A PROXIMITY SENSOR AND TARGET [patent_app_type] => utility [patent_app_number] => 16/428331 [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] => 5353 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16428331 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/428331
Estimation of gap between a proximity sensor and target May 30, 2019 Issued
Array ( [id] => 15296155 [patent_doc_number] => 20190391213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => MAGNETIC FIELD MEASUREMENT SYSTEMS AND METHODS OF MAKING AND USING [patent_app_type] => utility [patent_app_number] => 16/428871 [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] => 7757 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16428871 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/428871
MAGNETIC FIELD MEASUREMENT SYSTEMS AND METHODS OF MAKING AND USING May 30, 2019 Abandoned
Array ( [id] => 15212735 [patent_doc_number] => 20190369054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => PARALLEL TUBE INSPECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 16/426616 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7299 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16426616 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/426616
Parallel tube inspection system May 29, 2019 Issued
Array ( [id] => 14839189 [patent_doc_number] => 20190277995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => METAMATERIAL ELECTROMAGNETIC SENSORS FOR WELL LOGGING MEASUREMENTS [patent_app_type] => utility [patent_app_number] => 16/415849 [patent_app_country] => US [patent_app_date] => 2019-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16415849 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/415849
METAMATERIAL ELECTROMAGNETIC SENSORS FOR WELL LOGGING MEASUREMENTS May 16, 2019 Abandoned
Array ( [id] => 18917675 [patent_doc_number] => 11879951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Magnetic field sensor apparatus [patent_app_type] => utility [patent_app_number] => 16/395641 [patent_app_country] => US [patent_app_date] => 2019-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 6318 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16395641 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/395641
Magnetic field sensor apparatus Apr 25, 2019 Issued
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