![](/images/general/no_picture/200_user.png)
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 number | Title of the application | Filing Date | Status |
---|---|---|---|
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 |