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] => 15196233 [patent_doc_number] => 10495604 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-03 [patent_title] => Metal detection apparatus, testing device and method for optimising a metal detection apparatus [patent_app_type] => utility [patent_app_number] => 15/380803 [patent_app_country] => US [patent_app_date] => 2016-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 6027 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15380803 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/380803
Metal detection apparatus, testing device and method for optimising a metal detection apparatus Dec 14, 2016 Issued
Array ( [id] => 11692182 [patent_doc_number] => 20170167897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-15 [patent_title] => 'ANGLE MEASUREMENT DEVICE AND ELECTRIC MOTOR' [patent_app_type] => utility [patent_app_number] => 15/372856 [patent_app_country] => US [patent_app_date] => 2016-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2909 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15372856 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/372856
ANGLE MEASUREMENT DEVICE AND ELECTRIC MOTOR Dec 7, 2016 Abandoned
Array ( [id] => 11692176 [patent_doc_number] => 20170167891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-15 [patent_title] => 'POSITION DETECTING APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/372757 [patent_app_country] => US [patent_app_date] => 2016-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 13174 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15372757 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/372757
POSITION DETECTING APPARATUS Dec 7, 2016 Abandoned
Array ( [id] => 13280459 [patent_doc_number] => 10151807 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-11 [patent_title] => Magnetic field sensing apparatus with anisotropic magneto-resistive resistors and detection method thereof [patent_app_type] => utility [patent_app_number] => 15/361082 [patent_app_country] => US [patent_app_date] => 2016-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 6522 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15361082 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/361082
Magnetic field sensing apparatus with anisotropic magneto-resistive resistors and detection method thereof Nov 24, 2016 Issued
Array ( [id] => 13816079 [patent_doc_number] => 10184805 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-22 [patent_title] => Method for detecting abnormality of resolver, angle detection device, motor, and transportation device [patent_app_type] => utility [patent_app_number] => 15/341251 [patent_app_country] => US [patent_app_date] => 2016-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3762 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15341251 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/341251
Method for detecting abnormality of resolver, angle detection device, motor, and transportation device Nov 1, 2016 Issued
Array ( [id] => 13539575 [patent_doc_number] => 20180321334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-08 [patent_title] => TMR HIGH-SENSITIVITY SINGLE-CHIP PUSH-PULL BRIDGE MAGNETIC FILED SENSOR [patent_app_type] => utility [patent_app_number] => 15/773368 [patent_app_country] => US [patent_app_date] => 2016-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3614 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 371 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15773368 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/773368
TMR high-sensitivity single-chip push-pull bridge magnetic field sensor Oct 30, 2016 Issued
Array ( [id] => 11422909 [patent_doc_number] => 20170031052 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-02 [patent_title] => 'Electromagnetic System for Exploring the Seabed' [patent_app_type] => utility [patent_app_number] => 15/292630 [patent_app_country] => US [patent_app_date] => 2016-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5176 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15292630 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/292630
Electromagnetic System for Exploring the Seabed Oct 12, 2016 Abandoned
Array ( [id] => 13524255 [patent_doc_number] => 20180313670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => MAGNETISM-DETECTING DEVICE AND MOVING-BODY-DETECTING DEVICE [patent_app_type] => utility [patent_app_number] => 15/770797 [patent_app_country] => US [patent_app_date] => 2016-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15770797 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/770797
MAGNETISM-DETECTING DEVICE AND MOVING-BODY-DETECTING DEVICE Oct 4, 2016 Abandoned
Array ( [id] => 16606988 [patent_doc_number] => 10907988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-02 [patent_title] => Rotation sensor having ring-shaped rib [patent_app_type] => utility [patent_app_number] => 15/280260 [patent_app_country] => US [patent_app_date] => 2016-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 7035 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 515 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15280260 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/280260
Rotation sensor having ring-shaped rib Sep 28, 2016 Issued
Array ( [id] => 11529962 [patent_doc_number] => 20170089940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-30 [patent_title] => 'AMR SPEED AND DIRECTION SENSOR FOR USE WITH MAGNETIC TARGETS' [patent_app_type] => utility [patent_app_number] => 15/277616 [patent_app_country] => US [patent_app_date] => 2016-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11974 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15277616 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/277616
AMR speed and direction sensor for use with magnetic targets Sep 26, 2016 Issued
Array ( [id] => 11556192 [patent_doc_number] => 20170102438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-13 [patent_title] => 'DIGITALLY-CONTROLLED OUTPUT AMPLITUDE OF ANALOG SENSOR SIGNAL' [patent_app_type] => utility [patent_app_number] => 15/261288 [patent_app_country] => US [patent_app_date] => 2016-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7280 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15261288 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/261288
Digitally-controlled output amplitude of analog sensor signal Sep 8, 2016 Issued
Array ( [id] => 11351700 [patent_doc_number] => 20160370440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'HALL ELECTROMOTIVE FORCE SIGNAL DETECTION CIRCUIT AND CURRENT SENSOR THEREOF' [patent_app_type] => utility [patent_app_number] => 15/250398 [patent_app_country] => US [patent_app_date] => 2016-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 10829 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15250398 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/250398
Hall electromotive force signal detection circuit having a difference calculation circuit and current sensor thereof Aug 28, 2016 Issued
Array ( [id] => 11472576 [patent_doc_number] => 20170059359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'ROTATION SENSOR' [patent_app_type] => utility [patent_app_number] => 15/246767 [patent_app_country] => US [patent_app_date] => 2016-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6613 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15246767 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/246767
ROTATION SENSOR Aug 24, 2016 Abandoned
Array ( [id] => 11458132 [patent_doc_number] => 20170052039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-23 [patent_title] => 'ELECTRONIC APPARATUS WITH MOVABLE UNIT SUCH AS DISPLAY UNIT MOVABLE IN OPENING AND CLOSING DIRECTION' [patent_app_type] => utility [patent_app_number] => 15/240113 [patent_app_country] => US [patent_app_date] => 2016-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4370 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15240113 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/240113
Electronic apparatus with movable unit such as display unit movable in opening and closing direction Aug 17, 2016 Issued
Array ( [id] => 11472575 [patent_doc_number] => 20170059358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'POSITION SENSOR' [patent_app_type] => utility [patent_app_number] => 15/238170 [patent_app_country] => US [patent_app_date] => 2016-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4446 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15238170 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/238170
POSITION SENSOR Aug 15, 2016 Abandoned
Array ( [id] => 11444355 [patent_doc_number] => 20170045376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-16 [patent_title] => 'MAGNETIC ELEMENT' [patent_app_type] => utility [patent_app_number] => 15/232270 [patent_app_country] => US [patent_app_date] => 2016-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4036 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15232270 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/232270
MAGNETIC ELEMENT Aug 8, 2016 Abandoned
Array ( [id] => 11444615 [patent_doc_number] => 20170045637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-16 [patent_title] => 'Compensated Transmit Antenna For MWD Resistivity Tools' [patent_app_type] => utility [patent_app_number] => 15/231194 [patent_app_country] => US [patent_app_date] => 2016-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2001 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15231194 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/231194
Compensated transmit antenna for MWD resistivity tools Aug 7, 2016 Issued
Array ( [id] => 12038917 [patent_doc_number] => 09817146 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-14 [patent_title] => 'Method and device for measuring distances by means of inductive sensors' [patent_app_type] => utility [patent_app_number] => 15/225316 [patent_app_country] => US [patent_app_date] => 2016-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 10027 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 475 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15225316 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/225316
Method and device for measuring distances by means of inductive sensors Jul 31, 2016 Issued
Array ( [id] => 13302599 [patent_doc_number] => 20180202836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => POSITION SENSOR [patent_app_type] => utility [patent_app_number] => 15/743957 [patent_app_country] => US [patent_app_date] => 2016-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3835 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15743957 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/743957
POSITION SENSOR Jul 26, 2016 Abandoned
15/217481 System and Methods of Mapping Buried Pipes Underwater Jul 21, 2016
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