Search

Alain Chau

Examiner (ID: 3443, Phone: (571)272-9444 , Office: P/3741 )

Most Active Art Unit
3741
Art Unit(s)
3741
Total Applications
621
Issued Applications
475
Pending Applications
52
Abandoned Applications
116

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18996548 [patent_doc_number] => 11913382 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Variable restriction of a fuel circuit of a fuel nozzle [patent_app_type] => utility [patent_app_number] => 17/896762 [patent_app_country] => US [patent_app_date] => 2022-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2676 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17896762 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/896762
Variable restriction of a fuel circuit of a fuel nozzle Aug 25, 2022 Issued
Array ( [id] => 18620968 [patent_doc_number] => 11753996 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-09-12 [patent_title] => Fuel injector manifold having trim device therein [patent_app_type] => utility [patent_app_number] => 17/895969 [patent_app_country] => US [patent_app_date] => 2022-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3526 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17895969 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/895969
Fuel injector manifold having trim device therein Aug 24, 2022 Issued
Array ( [id] => 19498197 [patent_doc_number] => 20240337215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => IMPROVED METHOD FOR ESTIMATING AND SETTING EXHAUST PURGE TIME IN A COMBUSTION SYSTEM AND COMBUSTION SYSTEM THEREOF [patent_app_type] => utility [patent_app_number] => 18/293825 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18293825 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/293825
IMPROVED METHOD FOR ESTIMATING AND SETTING EXHAUST PURGE TIME IN A COMBUSTION SYSTEM AND COMBUSTION SYSTEM THEREOF Jul 27, 2022 Abandoned
Array ( [id] => 19847482 [patent_doc_number] => 20250092833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => TRANSFER OF POWER BETWEEN THE HIGH-PRESSURE SHAFT AND THE LOW-PRESSURE SHAFT OF A TURBOMACHINE [patent_app_type] => utility [patent_app_number] => 18/291558 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18291558 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/291558
Transfer of power between the high-pressure shaft and the low-pressure shaft of a turbomachine Jul 21, 2022 Issued
Array ( [id] => 18923822 [patent_doc_number] => 20240026826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => FUEL SYSTEM WITH BACKUP PUMP SOURCE SELECTION [patent_app_type] => utility [patent_app_number] => 17/870078 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7007 [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] => 17870078 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/870078
Fuel system with backup pump source selection Jul 20, 2022 Issued
Array ( [id] => 18337206 [patent_doc_number] => 20230129155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => MODULATING FUEL FOR A TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 17/869428 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17869428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869428
Modulating fuel for a turbine engine Jul 19, 2022 Issued
Array ( [id] => 19354668 [patent_doc_number] => 12055099 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Two stage fuel delivery system for an aircraft [patent_app_type] => utility [patent_app_number] => 17/868222 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3072 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 17868222 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/868222
Two stage fuel delivery system for an aircraft Jul 18, 2022 Issued
Array ( [id] => 19948952 [patent_doc_number] => 12320306 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Electricity generation system and aircraft [patent_app_type] => utility [patent_app_number] => 18/292047 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 1159 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 18292047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/292047
Electricity generation system and aircraft Jul 18, 2022 Issued
Array ( [id] => 18854510 [patent_doc_number] => 11852074 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-26 [patent_title] => Combined cycle power plants with exhaust gas recirculation intercooling [patent_app_type] => utility [patent_app_number] => 17/863011 [patent_app_country] => US [patent_app_date] => 2022-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5852 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17863011 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/863011
Combined cycle power plants with exhaust gas recirculation intercooling Jul 11, 2022 Issued
Array ( [id] => 18676371 [patent_doc_number] => 20230313996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => ANNULAR DOME ASSEMBLY FOR A COMBUSTOR [patent_app_type] => utility [patent_app_number] => 17/811762 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18695 [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] => 17811762 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/811762
Annular dome assembly for a combustor Jul 10, 2022 Issued
Array ( [id] => 18518912 [patent_doc_number] => 11708795 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-07-25 [patent_title] => Systems and methods for bleed valve control in fuel systems [patent_app_type] => utility [patent_app_number] => 17/857996 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3774 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17857996 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/857996
Systems and methods for bleed valve control in fuel systems Jul 4, 2022 Issued
Array ( [id] => 17983312 [patent_doc_number] => 20220349348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => SYSTEM AND METHOD FOR CONTROLLING DUAL STARTER AIR VALVE [patent_app_type] => utility [patent_app_number] => 17/854643 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7284 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17854643 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854643
System and method for controlling dual starter air valve Jun 29, 2022 Issued
Array ( [id] => 18845357 [patent_doc_number] => 20230407761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => ELECTRONIC OVERSPEED PROTECTION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/844940 [patent_app_country] => US [patent_app_date] => 2022-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17844940 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/844940
Electronic overspeed protection system and method Jun 20, 2022 Issued
Array ( [id] => 19623818 [patent_doc_number] => 12162621 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Fuel conditioning system and method configured to supply an aircraft turbine engine with fuel from a cryogenic tank [patent_app_type] => utility [patent_app_number] => 18/567408 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 5394 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [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] => 18567408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/567408
Fuel conditioning system and method configured to supply an aircraft turbine engine with fuel from a cryogenic tank Jun 9, 2022 Issued
Array ( [id] => 18058755 [patent_doc_number] => 20220389841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => Charge, Storage, and Discharge Energy System Using Liquid Air and sCO2 [patent_app_type] => utility [patent_app_number] => 17/833653 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1277 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17833653 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/833653
Charge, storage, and discharge energy system using liquid air and sCO2 Jun 5, 2022 Issued
Array ( [id] => 18701974 [patent_doc_number] => 11788476 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-17 [patent_title] => Fluid system with variable pump discharge pressure and method [patent_app_type] => utility [patent_app_number] => 17/804926 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5260 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17804926 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/804926
Fluid system with variable pump discharge pressure and method May 31, 2022 Issued
Array ( [id] => 18093932 [patent_doc_number] => 20220412273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 17/745532 [patent_app_country] => US [patent_app_date] => 2022-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17745532 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/745532
Gas turbine engine having hollow low-pressure shaft with integrated valve for delivering hot compressed air to a fan disk May 15, 2022 Issued
Array ( [id] => 19319250 [patent_doc_number] => 20240240793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => FUEL INJECTOR AND FUEL NOZZLE FOR A GAS TURBINE, AND GAS TURBINE ENGINE INCLUDING THE NOZZLE [patent_app_type] => utility [patent_app_number] => 18/559497 [patent_app_country] => US [patent_app_date] => 2022-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18559497 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/559497
Fuel injector and fuel nozzle for a gas turbine, and gas turbine engine including the nozzle May 9, 2022 Issued
Array ( [id] => 18754740 [patent_doc_number] => 20230358166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => HYDROGEN ENERGY CONVERSION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/736607 [patent_app_country] => US [patent_app_date] => 2022-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4441 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17736607 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/736607
HYDROGEN ENERGY CONVERSION SYSTEM May 3, 2022 Abandoned
Array ( [id] => 18685758 [patent_doc_number] => 11781483 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-10 [patent_title] => Minimum pressure valve for aircraft fuel system [patent_app_type] => utility [patent_app_number] => 17/735440 [patent_app_country] => US [patent_app_date] => 2022-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3460 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 376 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17735440 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/735440
Minimum pressure valve for aircraft fuel system May 2, 2022 Issued
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