![](/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] => 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 |