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] => 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 [patent_figures_cnt] => 4 [patent_no_of_words] => 3589 [patent_no_of_claims] => 20 [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] => 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 [patent_figures_cnt] => 8 [patent_no_of_words] => 6861 [patent_no_of_claims] => 11 [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] => 14464112 [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 [patent_figures_cnt] => 8 [patent_no_of_words] => 4416 [patent_no_of_claims] => 4 [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] => 14463265 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/463265
METHOD AND APPARATUS FOR EDDY-CURRENT FLAW DETECTION Aug 18, 2014 Abandoned
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 [patent_figures_cnt] => 2 [patent_no_of_words] => 2778 [patent_no_of_claims] => 20 [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] => 14915802 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/915802
MEASURING DEVICE AND METHOD FOR MEASURING THE POSITION OF BODIES Aug 12, 2014 Abandoned
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 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3886 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14456553 [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 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1521 [patent_no_of_claims] => 5 [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] => 14451799 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/451799
PORTABLE METAL DETECTOR Aug 4, 2014 Abandoned
Array ( [id] => 11950766 [patent_doc_number] => 20170254917 [patent_country] => US [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 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6389 [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] => 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 [patent_figures_cnt] => 11 [patent_no_of_words] => 5401 [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] => 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 [patent_app_country] => US [patent_app_date] => 2014-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10281 [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] => 15312042 [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 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 6527 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15312051 [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 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5852 [patent_no_of_claims] => 25 [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] => 15118464 [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 [patent_app_country] => US [patent_app_date] => 2014-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 17794 [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] => 14225908 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/225908
Constant Current Metal Detector with Driven Transmit Coil Mar 25, 2014 Abandoned
Array ( [id] => 11326299 [patent_doc_number] => 20160356911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-08 [patent_title] => 'Permanent EM Monitoring Systems Using Capacitively Coupled Source Electrodes' [patent_app_type] => utility [patent_app_number] => 15/118073 [patent_app_country] => US [patent_app_date] => 2014-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4258 [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] => 15118073 [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 [patent_doc_number] => 20170074682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-16 [patent_title] => 'POSITION MEASURING APPARATUS AND METHOD FOR OPERATING THE POSITION MEASURING APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/119407 [patent_app_country] => US [patent_app_date] => 2014-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 9359 [patent_no_of_claims] => 22 [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] => 15119407 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/119407
POSITION MEASURING APPARATUS AND METHOD FOR OPERATING THE POSITION MEASURING APPARATUS Feb 17, 2014 Abandoned
Array ( [id] => 9654613 [patent_doc_number] => 20140225618 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-14 [patent_title] => 'REMOTE CONTROL SWITCHING DEVICE TO CONTROL SEPARATE DETECTION OF A PLURALITY OF BURIED CONDUCTORS' [patent_app_type] => utility [patent_app_number] => 14/159026 [patent_app_country] => US [patent_app_date] => 2014-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7765 [patent_no_of_claims] => 23 [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] => 14159026 [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 [patent_doc_number] => 20150185352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-02 [patent_title] => 'METAL DETECTING SHOE' [patent_app_type] => utility [patent_app_number] => 14/146701 [patent_app_country] => US [patent_app_date] => 2014-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4135 [patent_no_of_claims] => 11 [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] => 14146701 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/146701
METAL DETECTING SHOE Jan 1, 2014 Abandoned
Array ( [id] => 9433306 [patent_doc_number] => 20140111212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-24 [patent_title] => 'FORMATION RESISTIVITY IMAGING IN CONDUCTIVE BOREHOLES' [patent_app_type] => utility [patent_app_number] => 14/143452 [patent_app_country] => US [patent_app_date] => 2013-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2271 [patent_no_of_claims] => 17 [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] => 14143452 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/143452
FORMATION RESISTIVITY IMAGING IN CONDUCTIVE BOREHOLES Dec 29, 2013 Abandoned
Array ( [id] => 9566496 [patent_doc_number] => 20140184209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-03 [patent_title] => 'POSITION DETECTOR' [patent_app_type] => utility [patent_app_number] => 14/142168 [patent_app_country] => US [patent_app_date] => 2013-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10188 [patent_no_of_claims] => 8 [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] => 14142168 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/142168
Position detector with a minimum magnetic flux density position shifted from a center of a gap Dec 26, 2013 Issued
Array ( [id] => 13081393 [patent_doc_number] => 10060760 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-28 [patent_title] => Magnetix flux position detector that detects the magnetic flux at minimum position along a magnetic circuit [patent_app_type] => utility [patent_app_number] => 14/142146 [patent_app_country] => US [patent_app_date] => 2013-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 8941 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 516 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14142146 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/142146
Magnetix flux position detector that detects the magnetic flux at minimum position along a magnetic circuit Dec 26, 2013 Issued
Array ( [id] => 9566492 [patent_doc_number] => 20140184205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-03 [patent_title] => 'POSITION DETECTOR' [patent_app_type] => utility [patent_app_number] => 14/142456 [patent_app_country] => US [patent_app_date] => 2013-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5790 [patent_no_of_claims] => 8 [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] => 14142456 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/142456
Position detector having a gap width different from a magnet width Dec 26, 2013 Issued
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