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] => 18057465 [patent_doc_number] => 20220388551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => PRECISE PLACEMENT OF A SENSOR DEVICE ON A RAIL TRACK [patent_app_type] => utility [patent_app_number] => 17/770086 [patent_app_country] => US [patent_app_date] => 2020-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17770086 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770086
PRECISE PLACEMENT OF A SENSOR DEVICE ON A RAIL TRACK Oct 27, 2020 Pending
Array ( [id] => 16763587 [patent_doc_number] => 20210109168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => MAGNETO-OPTICAL MEASUREMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 17/060214 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17060214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/060214
MAGNETO-OPTICAL MEASUREMENT APPARATUS Sep 30, 2020 Pending
Array ( [id] => 17506360 [patent_doc_number] => 20220099463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => System and Method for Contact-less Multi-Turn Absolute Position Sensing [patent_app_type] => utility [patent_app_number] => 17/038877 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17038877 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/038877
System and Method for Contact-less Multi-Turn Absolute Position Sensing Sep 29, 2020 Pending
Array ( [id] => 16576574 [patent_doc_number] => 20210010975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => EDDY CURRENT ARRAY PROBE AND METHOD FOR LIFT-OFF COMPENSATION DURING OPERATION WITHOUT KNOWN LIFT REFERENCES [patent_app_type] => utility [patent_app_number] => 17/034811 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17034811 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/034811
EDDY CURRENT ARRAY PROBE AND METHOD FOR LIFT-OFF COMPENSATION DURING OPERATION WITHOUT KNOWN LIFT REFERENCES Sep 27, 2020 Pending
Array ( [id] => 17884103 [patent_doc_number] => 20220299580 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => MAGNETIC-FIELD MEASURING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/753268 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9129 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17753268 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/753268
MAGNETIC-FIELD MEASURING APPARATUS Sep 23, 2020 Pending
Array ( [id] => 16542443 [patent_doc_number] => 20200408857 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => MAGNETIC FIELD SENSOR FOR ANGLE DETECTION WITH A PHASE-LOCKED LOOP [patent_app_type] => utility [patent_app_number] => 17/017079 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15602 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17017079 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/017079
Magnetic field sensor for angle detection with a phase-locked loop Sep 9, 2020 Issued
Array ( [id] => 16526679 [patent_doc_number] => 20200400759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => MAGNETIC SENSOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/014741 [patent_app_country] => US [patent_app_date] => 2020-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11281 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17014741 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/014741
MAGNETIC SENSOR DEVICE Sep 7, 2020 Pending
Array ( [id] => 17868567 [patent_doc_number] => 20220291303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => PROCESS FOR ESTIMATING THE RESIDUAL LIFE OF THE ELECTROMAGNET OF A VIBRATING FEEDER OF ARTICLES [patent_app_type] => utility [patent_app_number] => 17/639801 [patent_app_country] => US [patent_app_date] => 2020-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17639801 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/639801
PROCESS FOR ESTIMATING THE RESIDUAL LIFE OF THE ELECTROMAGNET OF A VIBRATING FEEDER OF ARTICLES Sep 3, 2020 Pending
Array ( [id] => 17931057 [patent_doc_number] => 20220326182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => INFORMATION PROCESSING SYSTEM FOR NONDESTRUCTIVE INSPECTION AND NONDESTRUCTIVE INSPECTION METHOD [patent_app_type] => utility [patent_app_number] => 17/634538 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10281 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17634538 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/634538
INFORMATION PROCESSING SYSTEM FOR NONDESTRUCTIVE INSPECTION AND NONDESTRUCTIVE INSPECTION METHOD Aug 26, 2020 Pending
Array ( [id] => 17868229 [patent_doc_number] => 20220290965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => POSITION-SENSING CIRCUIT, POSITION-SENSING SYSTEM, MAGNET MEMBER, POSITION-SENSING METHOD, AND PROGRAM [patent_app_type] => utility [patent_app_number] => 17/635624 [patent_app_country] => US [patent_app_date] => 2020-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19625 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17635624 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/635624
POSITION-SENSING CIRCUIT, POSITION-SENSING SYSTEM, MAGNET MEMBER, POSITION-SENSING METHOD, AND PROGRAM Aug 12, 2020 Pending
Array ( [id] => 17868569 [patent_doc_number] => 20220291305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => MAGNETO-RESISTANCE EFFECT ELEMENT AND MAGNETO-RESISTANCE EFFECT DEVICE [patent_app_type] => utility [patent_app_number] => 17/631968 [patent_app_country] => US [patent_app_date] => 2020-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5953 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17631968 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/631968
MAGNETO-RESISTANCE EFFECT ELEMENT AND MAGNETO-RESISTANCE EFFECT DEVICE Jul 28, 2020 Pending
Array ( [id] => 16599420 [patent_doc_number] => 20210025951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => Systems and Methods for MOKE Metrology with Consistent MRAM Die Orientation [patent_app_type] => utility [patent_app_number] => 16/935432 [patent_app_country] => US [patent_app_date] => 2020-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16935432 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/935432
Systems and Methods for MOKE Metrology with Consistent MRAM Die Orientation Jul 21, 2020 Pending
Array ( [id] => 17673935 [patent_doc_number] => 20220187102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => POSITION SENSOR SYSTEM [patent_app_type] => utility [patent_app_number] => 17/593904 [patent_app_country] => US [patent_app_date] => 2020-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17593904 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/593904
POSITION SENSOR SYSTEM Jul 20, 2020 Pending
Array ( [id] => 17777977 [patent_doc_number] => 20220244327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => MAGNETIC SENSOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/625774 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17625774 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/625774
MAGNETIC SENSOR DEVICE Jul 16, 2020 Pending
Array ( [id] => 18094836 [patent_doc_number] => 20220413177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => NOVEL TRACING METHOD AND APPARATUS BASED ON ELECTROMAGNETIC FIELD [patent_app_type] => utility [patent_app_number] => 17/618410 [patent_app_country] => US [patent_app_date] => 2020-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17618410 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/618410
NOVEL TRACING METHOD AND APPARATUS BASED ON ELECTROMAGNETIC FIELD Jul 12, 2020 Pending
Array ( [id] => 17898353 [patent_doc_number] => 20220308015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => MEMBRANE INSPECTION METHOD BASED ON MAGNETIC FIELD SENSING [patent_app_type] => utility [patent_app_number] => 17/619512 [patent_app_country] => US [patent_app_date] => 2020-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17619512 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/619512
MEMBRANE INSPECTION METHOD BASED ON MAGNETIC FIELD SENSING Jun 25, 2020 Pending
Array ( [id] => 17793391 [patent_doc_number] => 20220252483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => SENSOR AND MANUFACTURING METHOD [patent_app_type] => utility [patent_app_number] => 17/615704 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4913 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17615704 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/615704
SENSOR AND MANUFACTURING METHOD Jun 17, 2020 Pending
Array ( [id] => 18045810 [patent_doc_number] => 11519757 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => System and method for determining angular position in rotating machines [patent_app_type] => utility [patent_app_number] => 16/899258 [patent_app_country] => US [patent_app_date] => 2020-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3629 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16899258 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/899258
System and method for determining angular position in rotating machines Jun 10, 2020 Issued
Array ( [id] => 16330071 [patent_doc_number] => 20200301037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => CONSTANT CURRENT METAL DETECTOR WITH DRIVEN TRANSMIT COIL [patent_app_type] => utility [patent_app_number] => 16/890773 [patent_app_country] => US [patent_app_date] => 2020-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17026 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16890773 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/890773
CONSTANT CURRENT METAL DETECTOR WITH DRIVEN TRANSMIT COIL Jun 1, 2020 Abandoned
Array ( [id] => 16526774 [patent_doc_number] => 20200400854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => RECEIVING COMPENSATION APPARATUS FOR AIRBORNE TRANSIENT ELECTROMAGNETIC METHOD [patent_app_type] => utility [patent_app_number] => 16/884001 [patent_app_country] => US [patent_app_date] => 2020-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16884001 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/884001
RECEIVING COMPENSATION APPARATUS FOR AIRBORNE TRANSIENT ELECTROMAGNETIC METHOD May 25, 2020 Abandoned
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