![](/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] => 10223975
[patent_doc_number] => 20150108968
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-04-23
[patent_title] => 'Rotary Encoder with Self-Sustained Supply of Energy'
[patent_app_type] => utility
[patent_app_number] => 14/464729
[patent_app_country] => US
[patent_app_date] => 2014-08-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14464729
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/464729 | Rotary Encoder with Self-Sustained Supply of Energy | Aug 20, 2014 | Abandoned |
Array
(
[id] => 10230953
[patent_doc_number] => 20150115947
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-04-30
[patent_title] => 'PAPER SHEET MAGNETIC DETECTION APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 14/464112
[patent_app_country] => US
[patent_app_date] => 2014-08-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/464112 | Paper sheet magnetic detection apparatus | Aug 19, 2014 | Issued |
Array
(
[id] => 10951253
[patent_doc_number] => 20140354274
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-12-04
[patent_title] => 'METHOD AND APPARATUS FOR EDDY-CURRENT FLAW DETECTION'
[patent_app_type] => utility
[patent_app_number] => 14/463265
[patent_app_country] => US
[patent_app_date] => 2014-08-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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Array
(
[id] => 11085176
[patent_doc_number] => 20160282142
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2016-09-29
[patent_title] => 'MEASURING DEVICE AND METHOD FOR MEASURING THE POSITION OF BODIES'
[patent_app_type] => utility
[patent_app_number] => 14/915802
[patent_app_country] => US
[patent_app_date] => 2014-08-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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Array
(
[id] => 11810420
[patent_doc_number] => 09714986
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-07-25
[patent_title] => 'Resolver with a wire outgoing portion and terminal pin cover'
[patent_app_type] => utility
[patent_app_number] => 14/456553
[patent_app_country] => US
[patent_app_date] => 2014-08-11
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/456553 | Resolver with a wire outgoing portion and terminal pin cover | Aug 10, 2014 | Issued |
Array
(
[id] => 9855504
[patent_doc_number] => 20150035521
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-02-05
[patent_title] => 'PORTABLE METAL DETECTOR'
[patent_app_type] => utility
[patent_app_number] => 14/451799
[patent_app_country] => US
[patent_app_date] => 2014-08-05
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/451799 | PORTABLE METAL DETECTOR | Aug 4, 2014 | Abandoned |
Array
(
[id] => 11950766
[patent_doc_number] => 20170254917
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[patent_kind] => A1
[patent_issue_date] => 2017-09-07
[patent_title] => 'METAMATERIAL ELECTROMAGNETIC SENSORS FOR WELL LOGGING MEASUREMENTS'
[patent_app_type] => utility
[patent_app_number] => 15/316813
[patent_app_country] => US
[patent_app_date] => 2014-07-31
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15316813
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/316813 | METAMATERIAL ELECTROMAGNETIC SENSORS FOR WELL LOGGING MEASUREMENTS | Jul 30, 2014 | Abandoned |
Array
(
[id] => 9813827
[patent_doc_number] => 20150025772
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-01-22
[patent_title] => 'Position Indicator Device'
[patent_app_type] => utility
[patent_app_number] => 14/321324
[patent_app_country] => US
[patent_app_date] => 2014-07-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
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[patent_no_of_words] => 5401
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14321324
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/321324 | Position Indicator Device | Jun 30, 2014 | Abandoned |
Array
(
[id] => 11605793
[patent_doc_number] => 20170123096
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-05-04
[patent_title] => 'Magnetic Induction Sensor with an Electro-Optical Transducer and Related Methods and Systems'
[patent_app_type] => utility
[patent_app_number] => 15/312042
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/312042 | Magnetic Induction Sensor with an Electro-Optical Transducer and Related Methods and Systems | May 18, 2014 | Abandoned |
Array
(
[id] => 15669175
[patent_doc_number] => 10598810
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-03-24
[patent_title] => Optical magnetic field sensor units for a downhole environment
[patent_app_type] => utility
[patent_app_number] => 15/312051
[patent_app_country] => US
[patent_app_date] => 2014-05-19
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/312051 | Optical magnetic field sensor units for a downhole environment | May 18, 2014 | Issued |
Array
(
[id] => 11649904
[patent_doc_number] => 20170145806
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-05-25
[patent_title] => 'Borehole Wall Imaging Tool Having A Grooved Wall-Contacting Face'
[patent_app_type] => utility
[patent_app_number] => 15/118464
[patent_app_country] => US
[patent_app_date] => 2014-04-08
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/118464 | Borehole wall imaging tool having a grooved wall-contacting face | Apr 7, 2014 | Issued |
Array
(
[id] => 9668545
[patent_doc_number] => 20140232408
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-08-21
[patent_title] => 'Constant Current Metal Detector with Driven Transmit Coil'
[patent_app_type] => utility
[patent_app_number] => 14/225908
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/225908 | Constant Current Metal Detector with Driven Transmit Coil | Mar 25, 2014 | Abandoned |
Array
(
[id] => 11326299
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[patent_kind] => A1
[patent_issue_date] => 2016-12-08
[patent_title] => 'Permanent EM Monitoring Systems Using Capacitively Coupled Source Electrodes'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/118073 | Permanent EM monitoring systems using capacitively coupled source electrodes | Mar 24, 2014 | Issued |
Array
(
[id] => 11500498
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Array
(
[id] => 9654613
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[patent_title] => 'REMOTE CONTROL SWITCHING DEVICE TO CONTROL SEPARATE DETECTION OF A PLURALITY OF BURIED CONDUCTORS'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/159026 | REMOTE CONTROL SWITCHING DEVICE TO CONTROL SEPARATE DETECTION OF A PLURALITY OF BURIED CONDUCTORS | Jan 19, 2014 | Abandoned |
Array
(
[id] => 10300352
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[patent_title] => 'METAL DETECTING SHOE'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/146701 | METAL DETECTING SHOE | Jan 1, 2014 | Abandoned |
Array
(
[id] => 9433306
[patent_doc_number] => 20140111212
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Array
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Array
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Array
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/142456 | Position detector having a gap width different from a magnet width | Dec 26, 2013 | Issued |