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] => 12052690 [patent_doc_number] => 20170329034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-16 [patent_title] => 'AIRBORNE ELECTROMAGNETIC SYSTEM WITH LARGE SUSPENSION COIL ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 15/668779 [patent_app_country] => US [patent_app_date] => 2017-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5670 [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] => 15668779 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/668779
Airborne electromagnetic system with large suspension coil assembly Aug 3, 2017 Issued
Array ( [id] => 12093140 [patent_doc_number] => 20170350233 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-07 [patent_title] => 'DETECTING A STRUCTURE IN A WELL' [patent_app_type] => utility [patent_app_number] => 15/667954 [patent_app_country] => US [patent_app_date] => 2017-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3286 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [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] => 15667954 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/667954
DETECTING A STRUCTURE IN A WELL Aug 2, 2017 Abandoned
Array ( [id] => 14470497 [patent_doc_number] => 20190186891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => Rotation-Angle Sensor, Stator Element and Rotor Element for Same [patent_app_type] => utility [patent_app_number] => 16/311335 [patent_app_country] => US [patent_app_date] => 2017-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7646 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16311335 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/311335
Rotation-Angle Sensor, Stator Element and Rotor Element for Same Jun 28, 2017 Abandoned
Array ( [id] => 13625029 [patent_doc_number] => 20180364066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => LINEAR POSITION MAGNETIC FIELD SENSOR WITH DIFFERENTIAL SENSING AND A DIFFERENTIAL MAGNETIC FIELD SENSING METHOD [patent_app_type] => utility [patent_app_number] => 15/623659 [patent_app_country] => US [patent_app_date] => 2017-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15623659 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/623659
LINEAR POSITION MAGNETIC FIELD SENSOR WITH DIFFERENTIAL SENSING AND A DIFFERENTIAL MAGNETIC FIELD SENSING METHOD Jun 14, 2017 Abandoned
Array ( [id] => 17823811 [patent_doc_number] => 11428755 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Coil actuated sensor with sensitivity detection [patent_app_type] => utility [patent_app_number] => 15/606332 [patent_app_country] => US [patent_app_date] => 2017-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 46 [patent_no_of_words] => 20598 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 442 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15606332 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/606332
Coil actuated sensor with sensitivity detection May 25, 2017 Issued
15/586490 FIRE TUBE SCANNER AND METHOD OF USE May 3, 2017 Abandoned
Array ( [id] => 15256605 [patent_doc_number] => 20190377036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => MAGNETIC SENSOR DEVICE [patent_app_type] => utility [patent_app_number] => 16/071331 [patent_app_country] => US [patent_app_date] => 2017-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11064 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16071331 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/071331
MAGNETIC SENSOR DEVICE Apr 30, 2017 Abandoned
Array ( [id] => 11981056 [patent_doc_number] => 20170285210 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'PORTABLE METAL DETECTOR' [patent_app_type] => utility [patent_app_number] => 15/493716 [patent_app_country] => US [patent_app_date] => 2017-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2469 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [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] => 15493716 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/493716
PORTABLE METAL DETECTOR Apr 20, 2017 Abandoned
Array ( [id] => 11995598 [patent_doc_number] => 20170299753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'Metal Detector for Salt Soils' [patent_app_type] => utility [patent_app_number] => 15/481036 [patent_app_country] => US [patent_app_date] => 2017-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7380 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [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] => 15481036 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/481036
Metal Detector for Salt Soils Apr 5, 2017 Abandoned
Array ( [id] => 11981058 [patent_doc_number] => 20170285212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'SYSTEM AND METHOD FOR MEASURING DOWNHOLE PARAMETERS' [patent_app_type] => utility [patent_app_number] => 15/468177 [patent_app_country] => US [patent_app_date] => 2017-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5585 [patent_no_of_claims] => 18 [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] => 15468177 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/468177
SYSTEM AND METHOD FOR MEASURING DOWNHOLE PARAMETERS Mar 23, 2017 Abandoned
Array ( [id] => 13446817 [patent_doc_number] => 20180274951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => OUTPUT SWITCHING SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 15/467439 [patent_app_country] => US [patent_app_date] => 2017-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8332 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15467439 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/467439
OUTPUT SWITCHING SYSTEMS AND METHODS Mar 22, 2017 Pending
Array ( [id] => 11950767 [patent_doc_number] => 20170254918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-07 [patent_title] => 'DOWNHOLE TOOL WITH RADIAL ARRAY OF CONFORMABLE SENSORS FOR DOWNHOLE DETECTION AND IMAGING' [patent_app_type] => utility [patent_app_number] => 15/466047 [patent_app_country] => US [patent_app_date] => 2017-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7157 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [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] => 15466047 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/466047
Downhole tool with radial array of conformable sensors for downhole detection and imaging Mar 21, 2017 Issued
Array ( [id] => 17252279 [patent_doc_number] => 11187763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Offset compensation for magnetic field detector [patent_app_type] => utility [patent_app_number] => 15/466611 [patent_app_country] => US [patent_app_date] => 2017-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 43 [patent_figures_cnt] => 48 [patent_no_of_words] => 14458 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15466611 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/466611
Offset compensation for magnetic field detector Mar 21, 2017 Issued
Array ( [id] => 11957155 [patent_doc_number] => 20170261306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'EXTENSION SENSOR AND REDUCTION OF A DRIFT OF A BRIDGE CIRCUIT CAUSED BY AN EXTENSION' [patent_app_type] => utility [patent_app_number] => 15/451771 [patent_app_country] => US [patent_app_date] => 2017-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6815 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [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] => 15451771 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/451771
EXTENSION SENSOR AND REDUCTION OF A DRIFT OF A BRIDGE CIRCUIT CAUSED BY AN EXTENSION Mar 6, 2017 Abandoned
Array ( [id] => 11957192 [patent_doc_number] => 20170261342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'ROTATION ANGLE SENSING DEVICE' [patent_app_type] => utility [patent_app_number] => 15/448984 [patent_app_country] => US [patent_app_date] => 2017-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10061 [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] => 15448984 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/448984
Rotation angle sensing device Mar 2, 2017 Issued
Array ( [id] => 15592939 [patent_doc_number] => 20200073004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => Enhancement of Dynamic Range of Electrode Measurements [patent_app_type] => utility [patent_app_number] => 16/466140 [patent_app_country] => US [patent_app_date] => 2017-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16580 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16466140 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/466140
Enhancement of dynamic range of electrode measurements Feb 21, 2017 Issued
Array ( [id] => 14470625 [patent_doc_number] => 20190186955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => Arrangement for detecting the angular position of a rotatable component [patent_app_type] => utility [patent_app_number] => 15/999273 [patent_app_country] => US [patent_app_date] => 2017-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5434 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 15999273 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/999273
Arrangement for detecting the angular position of a rotatable component Jan 30, 2017 Issued
Array ( [id] => 16493376 [patent_doc_number] => 10859406 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-08 [patent_title] => Magnetic sensor position measurement with phase compensation [patent_app_type] => utility [patent_app_number] => 15/420719 [patent_app_country] => US [patent_app_date] => 2017-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 10938 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15420719 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/420719
Magnetic sensor position measurement with phase compensation Jan 30, 2017 Issued
Array ( [id] => 13330873 [patent_doc_number] => 20180216974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => FAULT TOLERANT SENSOR INTERFACE [patent_app_type] => utility [patent_app_number] => 15/419605 [patent_app_country] => US [patent_app_date] => 2017-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15419605 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/419605
FAULT TOLERANT SENSOR INTERFACE Jan 29, 2017 Abandoned
Array ( [id] => 13786757 [patent_doc_number] => 20190006917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => INTERFERENCE-SHIELDING HALL PLATE [patent_app_type] => utility [patent_app_number] => 15/737753 [patent_app_country] => US [patent_app_date] => 2016-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15737753 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/737753
INTERFERENCE-SHIELDING HALL PLATE Dec 29, 2016 Abandoned
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