Search

Xue H. Liu

Examiner (ID: 721, Phone: (571)270-5522 , Office: P/1742 )

Most Active Art Unit
1742
Art Unit(s)
1791, 1742
Total Applications
942
Issued Applications
615
Pending Applications
83
Abandoned Applications
261

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17956838 [patent_doc_number] => 11482956 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-25 [patent_title] => Arrangement comprising an asynchronous machine and method for operating same [patent_app_type] => utility [patent_app_number] => 16/770177 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5726 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16770177 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/770177
Arrangement comprising an asynchronous machine and method for operating same Dec 4, 2017 Issued
Array ( [id] => 15495459 [patent_doc_number] => 20200047918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-13 [patent_title] => ADAPTABLE AIRPORT SYSTEM WITH INDUSTRIAL ZONES AND CLEAN ENERGY GENERATION [patent_app_type] => utility [patent_app_number] => 15/830023 [patent_app_country] => US [patent_app_date] => 2017-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15830023 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/830023
ADAPTABLE AIRPORT SYSTEM WITH INDUSTRIAL ZONES AND CLEAN ENERGY GENERATION Dec 3, 2017 Abandoned
Array ( [id] => 15016471 [patent_doc_number] => 10454404 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-22 [patent_title] => Generator field exciter system [patent_app_type] => utility [patent_app_number] => 15/821735 [patent_app_country] => US [patent_app_date] => 2017-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2901 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15821735 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/821735
Generator field exciter system Nov 21, 2017 Issued
Array ( [id] => 14352057 [patent_doc_number] => 20190158001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-23 [patent_title] => System and Method for Operating a Doubly Fed Induction Generator System to Reduce Harmonics [patent_app_type] => utility [patent_app_number] => 15/817502 [patent_app_country] => US [patent_app_date] => 2017-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 15817502 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/817502
System and method for operating a doubly fed induction generator system to reduce harmonics Nov 19, 2017 Issued
Array ( [id] => 17681480 [patent_doc_number] => 11365722 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-21 [patent_title] => Insulated shaft joint [patent_app_type] => utility [patent_app_number] => 16/472945 [patent_app_country] => US [patent_app_date] => 2017-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2884 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16472945 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/472945
Insulated shaft joint Nov 16, 2017 Issued
Array ( [id] => 14486593 [patent_doc_number] => 10330070 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-25 [patent_title] => Method and apparatus for operating a starter for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/811740 [patent_app_country] => US [patent_app_date] => 2017-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4056 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15811740 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/811740
Method and apparatus for operating a starter for an internal combustion engine Nov 13, 2017 Issued
Array ( [id] => 14279095 [patent_doc_number] => 20190136832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => ENERGY STORAGE AND RECOVERY [patent_app_type] => utility [patent_app_number] => 15/807701 [patent_app_country] => US [patent_app_date] => 2017-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5984 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 15807701 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/807701
ENERGY STORAGE AND RECOVERY Nov 8, 2017 Abandoned
Array ( [id] => 17436531 [patent_doc_number] => 11261850 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-01 [patent_title] => Electrical unit for a wind turbine [patent_app_type] => utility [patent_app_number] => 16/476936 [patent_app_country] => US [patent_app_date] => 2017-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 7805 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16476936 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/476936
Electrical unit for a wind turbine Nov 8, 2017 Issued
Array ( [id] => 14286569 [patent_doc_number] => 20190140569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => DFIG Converter Overmodulation [patent_app_type] => utility [patent_app_number] => 15/807861 [patent_app_country] => US [patent_app_date] => 2017-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 15807861 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/807861
DFIG Converter Overmodulation Nov 8, 2017 Abandoned
Array ( [id] => 13599889 [patent_doc_number] => 20180351493 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => CONTROL DEVICE OF ELECTRIC ROTATING MACHINE [patent_app_type] => utility [patent_app_number] => 15/801751 [patent_app_country] => US [patent_app_date] => 2017-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 415 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15801751 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/801751
Control device of electric rotating machine Nov 1, 2017 Issued
Array ( [id] => 16878693 [patent_doc_number] => 11028831 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-08 [patent_title] => Controlling power exchange from self-commutated converters [patent_app_type] => utility [patent_app_number] => 16/345419 [patent_app_country] => US [patent_app_date] => 2017-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 8528 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16345419 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/345419
Controlling power exchange from self-commutated converters Oct 25, 2017 Issued
Array ( [id] => 14754069 [patent_doc_number] => 20190260208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => PROVIDING AUXILIARY POWER WHEN A HIGH-VOLTAGE LINK IS NON-FUNCTIONAL [patent_app_type] => utility [patent_app_number] => 16/345467 [patent_app_country] => US [patent_app_date] => 2017-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8627 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16345467 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/345467
Providing auxiliary power when a high-voltage link is non-functional Oct 25, 2017 Issued
Array ( [id] => 12670297 [patent_doc_number] => 20180115265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-26 [patent_title] => HYBRID POWER SYSTEM CHARACTERIZATION [patent_app_type] => utility [patent_app_number] => 15/787911 [patent_app_country] => US [patent_app_date] => 2017-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5289 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 15787911 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/787911
Hybrid power system characterization Oct 18, 2017 Issued
Array ( [id] => 17100808 [patent_doc_number] => 20210288599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => Off-grid power generating system for supplying an external load [patent_app_type] => utility [patent_app_number] => 16/336856 [patent_app_country] => US [patent_app_date] => 2017-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2425 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16336856 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/336856
Off-grid power generating system for supplying an external load Sep 27, 2017 Abandoned
Array ( [id] => 16202581 [patent_doc_number] => 10727769 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-28 [patent_title] => Voltage regulation of permanent magnet generator with extended speed range [patent_app_type] => utility [patent_app_number] => 15/713273 [patent_app_country] => US [patent_app_date] => 2017-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3703 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15713273 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/713273
Voltage regulation of permanent magnet generator with extended speed range Sep 21, 2017 Issued
Array ( [id] => 12126997 [patent_doc_number] => 20180010582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-11 [patent_title] => 'VERTICAL AXIS WIND TURBINE SYSTEM WITH ONE OR MORE INDEPENDENT ELECTRIC POWER GENERATION UNITS' [patent_app_type] => utility [patent_app_number] => 15/711359 [patent_app_country] => US [patent_app_date] => 2017-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 46 [patent_figures_cnt] => 46 [patent_no_of_words] => 27903 [patent_no_of_claims] => 26 [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] => 15711359 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/711359
Vertical axis wind turbine system with one or more independent electric power generation units Sep 20, 2017 Issued
Array ( [id] => 14080785 [patent_doc_number] => 20190089280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => POWER GENERATOR SYSTEM AND GENERATOR EXCITER DEVICE THEREOF [patent_app_type] => utility [patent_app_number] => 15/708667 [patent_app_country] => US [patent_app_date] => 2017-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3186 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 15708667 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/708667
Power generator system and generator exciter device thereof Sep 18, 2017 Issued
Array ( [id] => 17090377 [patent_doc_number] => 11118558 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-14 [patent_title] => Hydroelectric power generation system [patent_app_type] => utility [patent_app_number] => 16/332216 [patent_app_country] => US [patent_app_date] => 2017-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8847 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16332216 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/332216
Hydroelectric power generation system Sep 13, 2017 Issued
Array ( [id] => 12625968 [patent_doc_number] => 20180100486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-12 [patent_title] => Wind Farm and Wind Power Generation Apparatus [patent_app_type] => utility [patent_app_number] => 15/692505 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692505 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692505
Wind Farm and Wind Power Generation Apparatus Aug 30, 2017 Abandoned
Array ( [id] => 13857731 [patent_doc_number] => 10190577 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-01-29 [patent_title] => Hoistable induction and cooling unit for wind turbine maintenance [patent_app_type] => utility [patent_app_number] => 15/692532 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3559 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692532 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692532
Hoistable induction and cooling unit for wind turbine maintenance Aug 30, 2017 Issued
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