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] => 18787427 [patent_doc_number] => 20230375738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => CONSTANT CURRENT METAL DETECTOR WITH DRIVEN TRANSMIT COIL [patent_app_type] => utility [patent_app_number] => 18/353711 [patent_app_country] => US [patent_app_date] => 2023-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18353711 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/353711
CONSTANT CURRENT METAL DETECTOR WITH DRIVEN TRANSMIT COIL Jul 16, 2023 Pending
Array ( [id] => 18818957 [patent_doc_number] => 20230393297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => Method for Securing Power in Remote Locations and Apparatus Therefor [patent_app_type] => utility [patent_app_number] => 18/220411 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18220411 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220411
Method for Securing Power in Remote Locations and Apparatus Therefor Jul 10, 2023 Pending
Array ( [id] => 18740751 [patent_doc_number] => 20230349728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => INITIALIZATION STATE DETERMINATION OF A MAGNETIC MULTI-TURN SENSOR [patent_app_type] => utility [patent_app_number] => 18/348280 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7115 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18348280 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348280
INITIALIZATION STATE DETERMINATION OF A MAGNETIC MULTI-TURN SENSOR Jul 5, 2023 Pending
Array ( [id] => 18694072 [patent_doc_number] => 20230324476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [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] => 18/327849 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13195 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327849 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327849
MAGNETIC FIELD MEASUREMENT APPARATUS, MAGNETIC FIELD MEASUREMENT METHOD, AND STORAGE MEDIUM WITH MAGNETIC FIELD MEASUREMENT PROGRAM STORED THEREON May 31, 2023 Pending
Array ( [id] => 18924640 [patent_doc_number] => 20240027644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => Non-Invasive Method For Behind-Casing Cable Localization [patent_app_type] => utility [patent_app_number] => 18/114093 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8380 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114093 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114093
Non-Invasive Method For Behind-Casing Cable Localization Feb 23, 2023 Pending
Array ( [id] => 18377394 [patent_doc_number] => 20230152481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => Position Sensing Apparatus and Method [patent_app_type] => utility [patent_app_number] => 18/154410 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5193 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18154410 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/154410
Position sensing apparatus and method Jan 12, 2023 Issued
Array ( [id] => 18377310 [patent_doc_number] => 20230152397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => VEHICLE BATTERY CURRENT SENSING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/091070 [patent_app_country] => US [patent_app_date] => 2022-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18091070 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/091070
Vehicle battery current sensing system Dec 28, 2022 Issued
Array ( [id] => 18787426 [patent_doc_number] => 20230375737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => SYSTEMS AND METHODS FOR LOCATING, MAPPING, AND IDENTIFYING SUBTERRANEAN PIPELINES [patent_app_type] => utility [patent_app_number] => 18/087291 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 18087291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/087291
SYSTEMS AND METHODS FOR LOCATING, MAPPING, AND IDENTIFYING SUBTERRANEAN PIPELINES Dec 21, 2022 Pending
Array ( [id] => 18310175 [patent_doc_number] => 20230114075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Hall Effect Prism Sensor [patent_app_type] => utility [patent_app_number] => 18/081626 [patent_app_country] => US [patent_app_date] => 2022-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4171 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18081626 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/081626
Hall Effect Prism Sensor Dec 13, 2022 Abandoned
Array ( [id] => 18306724 [patent_doc_number] => 20230110624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Hall Effect Prism Sensor [patent_app_type] => utility [patent_app_number] => 18/081427 [patent_app_country] => US [patent_app_date] => 2022-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18081427 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/081427
Hall Effect Prism Sensor Dec 13, 2022 Abandoned
Array ( [id] => 18284018 [patent_doc_number] => 20230099490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => MAGNETIC FIELD DETECTION APPARATUS AND CURRENT DETECTION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/077285 [patent_app_country] => US [patent_app_date] => 2022-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18077285 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/077285
MAGNETIC FIELD DETECTION APPARATUS AND CURRENT DETECTION APPARATUS Dec 7, 2022 Pending
Array ( [id] => 18498443 [patent_doc_number] => 20230221149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => INDUCTIVE POSITION SENSOR AND METHOD FOR DETECTING A MOVEMENT OF A CONDUCTIVE TARGET [patent_app_type] => utility [patent_app_number] => 18/075718 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18075718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/075718
INDUCTIVE POSITION SENSOR AND METHOD FOR DETECTING A MOVEMENT OF A CONDUCTIVE TARGET Dec 5, 2022 Pending
Array ( [id] => 18281841 [patent_doc_number] => 20230097313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => ELECTROMAGNETIC GRADIOMETERS [patent_app_type] => utility [patent_app_number] => 17/990220 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17990220 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/990220
ELECTROMAGNETIC GRADIOMETERS Nov 17, 2022 Pending
Array ( [id] => 18334746 [patent_doc_number] => 20230126694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => MAGNETIC FIELD SENSOR, METHOD FOR PRODUCING SAME, AND METHOD FOR MEASURING A MAGNETIC FIELD [patent_app_type] => utility [patent_app_number] => 18/048254 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4121 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18048254 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/048254
MAGNETIC FIELD SENSOR, METHOD FOR PRODUCING SAME, AND METHOD FOR MEASURING A MAGNETIC FIELD Oct 19, 2022 Pending
Array ( [id] => 18795052 [patent_doc_number] => 11828819 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Magnetic field sensor integrated circuit with integral ferromagnetic material [patent_app_type] => utility [patent_app_number] => 18/046222 [patent_app_country] => US [patent_app_date] => 2022-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 12157 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18046222 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/046222
Magnetic field sensor integrated circuit with integral ferromagnetic material Oct 12, 2022 Issued
Array ( [id] => 18168107 [patent_doc_number] => 20230034717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => XMR SENSORS WITH SERIAL SEGMENT STRIP CONFIGURATIONS [patent_app_type] => utility [patent_app_number] => 17/963288 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3283 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17963288 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/963288
XMR SENSORS WITH SERIAL SEGMENT STRIP CONFIGURATIONS Oct 10, 2022 Pending
Array ( [id] => 18350580 [patent_doc_number] => 20230138691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => RATIOMETRIC SENSOR CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/045580 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045580 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045580
RATIOMETRIC SENSOR CIRCUIT Oct 10, 2022 Pending
Array ( [id] => 18278923 [patent_doc_number] => 20230094395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => MAGNETIC SENSOR [patent_app_type] => utility [patent_app_number] => 17/952362 [patent_app_country] => US [patent_app_date] => 2022-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7282 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17952362 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/952362
MAGNETIC SENSOR Sep 25, 2022 Pending
Array ( [id] => 18280111 [patent_doc_number] => 20230095583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => MAGNETIC SENSOR [patent_app_type] => utility [patent_app_number] => 17/948486 [patent_app_country] => US [patent_app_date] => 2022-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27826 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17948486 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/948486
MAGNETIC SENSOR Sep 19, 2022 Pending
Array ( [id] => 18265374 [patent_doc_number] => 20230086616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => ABSOLUTE POSITION DEVICE, SYSTEM, AND METHOD [patent_app_type] => utility [patent_app_number] => 17/932635 [patent_app_country] => US [patent_app_date] => 2022-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17932635 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/932635
ABSOLUTE POSITION DEVICE, SYSTEM, AND METHOD Sep 14, 2022 Abandoned
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