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] => 19734265 [patent_doc_number] => 12212271 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => System and method for providing grid-forming control for a double-fed wind turbine generator [patent_app_type] => utility [patent_app_number] => 17/792811 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 8048 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17792811 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/792811
System and method for providing grid-forming control for a double-fed wind turbine generator Jan 15, 2020 Issued
Array ( [id] => 16978438 [patent_doc_number] => 20210222675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => SYSTEM AND METHOD FOR OPTIMIZING AUXILIARY LOADS BASED ON OPERATIONAL USAGE [patent_app_type] => utility [patent_app_number] => 16/744325 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6289 [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] => 16744325 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/744325
System and method for optimizing auxiliary loads based on operational usage Jan 15, 2020 Issued
Array ( [id] => 18029551 [patent_doc_number] => 11512728 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => System and method for coupling a hub to a main shaft of a wind turbine [patent_app_type] => utility [patent_app_number] => 16/739339 [patent_app_country] => US [patent_app_date] => 2020-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 9476 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16739339 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/739339
System and method for coupling a hub to a main shaft of a wind turbine Jan 9, 2020 Issued
Array ( [id] => 19277821 [patent_doc_number] => 12027955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Generator rotor assembly [patent_app_type] => utility [patent_app_number] => 17/420727 [patent_app_country] => US [patent_app_date] => 2020-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 6721 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [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] => 17420727 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/420727
Generator rotor assembly Jan 8, 2020 Issued
Array ( [id] => 16947815 [patent_doc_number] => 20210206506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => RAM AIR TURBINE SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/736544 [patent_app_country] => US [patent_app_date] => 2020-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4613 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16736544 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/736544
Ram air turbine systems Jan 6, 2020 Issued
Array ( [id] => 16896836 [patent_doc_number] => 11038400 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Control of a wind turbine based on a combined power reference [patent_app_type] => utility [patent_app_number] => 16/720128 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4058 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16720128 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/720128
Control of a wind turbine based on a combined power reference Dec 18, 2019 Issued
Array ( [id] => 17600123 [patent_doc_number] => 20220149697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => AUTOMATIC WINS AND PHOTOVOLTAIC ENERGY STORAGE SYSTEM FOR UNINTERRUPTED ELECTRICITY GENERATION AND ENERGY AUTONOMY [patent_app_type] => utility [patent_app_number] => 17/415732 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6022 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17415732 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/415732
AUTOMATIC WINS AND PHOTOVOLTAIC ENERGY STORAGE SYSTEM FOR UNINTERRUPTED ELECTRICITY GENERATION AND ENERGY AUTONOMY Dec 16, 2019 Abandoned
Array ( [id] => 16461489 [patent_doc_number] => 10844830 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-11-24 [patent_title] => Wave energy converter [patent_app_type] => utility [patent_app_number] => 16/714715 [patent_app_country] => US [patent_app_date] => 2019-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 5544 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16714715 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/714715
Wave energy converter Dec 13, 2019 Issued
Array ( [id] => 16774506 [patent_doc_number] => 10985631 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-04-20 [patent_title] => Microturbine electricity generation system and electricity management method thereof [patent_app_type] => utility [patent_app_number] => 16/697341 [patent_app_country] => US [patent_app_date] => 2019-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4290 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 430 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16697341 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/697341
Microturbine electricity generation system and electricity management method thereof Nov 26, 2019 Issued
Array ( [id] => 16840272 [patent_doc_number] => 20210148284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => SYSTEMS AND METHODS FOR STARTING GAS TURBINES [patent_app_type] => utility [patent_app_number] => 16/689296 [patent_app_country] => US [patent_app_date] => 2019-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7519 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16689296 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/689296
Systems and methods for starting gas turbines Nov 19, 2019 Issued
Array ( [id] => 16878683 [patent_doc_number] => 11028820 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-08 [patent_title] => Tidal current generating unit [patent_app_type] => utility [patent_app_number] => 16/688330 [patent_app_country] => US [patent_app_date] => 2019-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 4469 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16688330 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/688330
Tidal current generating unit Nov 18, 2019 Issued
Array ( [id] => 15741613 [patent_doc_number] => 20200109694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => Eccentrically Rotating Mass Turbine [patent_app_type] => utility [patent_app_number] => 16/689075 [patent_app_country] => US [patent_app_date] => 2019-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16689075 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/689075
Eccentrically rotating mass turbine Nov 18, 2019 Issued
Array ( [id] => 15907715 [patent_doc_number] => 20200153378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => WIND GENERATOR [patent_app_type] => utility [patent_app_number] => 16/676651 [patent_app_country] => US [patent_app_date] => 2019-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16676651 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/676651
Wind generator Nov 6, 2019 Issued
Array ( [id] => 15842225 [patent_doc_number] => 20200136395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => Method for Starting a Hydraulic Turbine [patent_app_type] => utility [patent_app_number] => 16/665385 [patent_app_country] => US [patent_app_date] => 2019-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16665385 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/665385
Method for starting a hydraulic turbine Oct 27, 2019 Issued
Array ( [id] => 16782433 [patent_doc_number] => 20210119512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => HYBRID GAS TURBINE ENGINE/GENERATOR ARRANGEMENTS [patent_app_type] => utility [patent_app_number] => 16/657431 [patent_app_country] => US [patent_app_date] => 2019-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16657431 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/657431
HYBRID GAS TURBINE ENGINE/GENERATOR ARRANGEMENTS Oct 17, 2019 Abandoned
Array ( [id] => 16418496 [patent_doc_number] => 10826406 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-11-03 [patent_title] => Alternator and rectifier thereof [patent_app_type] => utility [patent_app_number] => 16/591653 [patent_app_country] => US [patent_app_date] => 2019-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 6555 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16591653 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/591653
Alternator and rectifier thereof Oct 2, 2019 Issued
Array ( [id] => 16752951 [patent_doc_number] => 20210104963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => FIRST PATENT MAGNETIC PROPULSION METHOD [patent_app_type] => utility [patent_app_number] => 16/591113 [patent_app_country] => US [patent_app_date] => 2019-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1817 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16591113 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/591113
FIRST PATENT MAGNETIC PROPULSION METHOD Oct 1, 2019 Abandoned
Array ( [id] => 16430057 [patent_doc_number] => 10830134 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-10 [patent_title] => Modular thermal storage [patent_app_type] => utility [patent_app_number] => 16/576357 [patent_app_country] => US [patent_app_date] => 2019-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 31 [patent_no_of_words] => 27947 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 16576357 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/576357
Modular thermal storage Sep 18, 2019 Issued
Array ( [id] => 15651283 [patent_doc_number] => 20200088171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => YAW AUTO-CALIBRATION FOR A WIND TURBINE GENERATOR [patent_app_type] => utility [patent_app_number] => 16/573670 [patent_app_country] => US [patent_app_date] => 2019-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9114 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 424 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16573670 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/573670
Yaw auto-calibration for a wind turbine generator Sep 16, 2019 Issued
Array ( [id] => 16453392 [patent_doc_number] => 20200362818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => WIND FARM NOISE PREDICTION METHOD, APPARATUS AND SYSTEM [patent_app_type] => utility [patent_app_number] => 16/968158 [patent_app_country] => US [patent_app_date] => 2019-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16968158 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/968158
Wind farm noise prediction method, apparatus and system Sep 15, 2019 Issued
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