Search

Alain Chau

Examiner (ID: 3814, Phone: (571)272-9444 , Office: P/3741 )

Most Active Art Unit
3741
Art Unit(s)
3741
Total Applications
653
Issued Applications
491
Pending Applications
58
Abandoned Applications
117

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19543749 [patent_doc_number] => 20240360785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => ATTENUATED COMBUSTION FOR CLEAN POWER AND HYDROGEN CAPTURE [patent_app_type] => utility [patent_app_number] => 18/646753 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5050 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18646753 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/646753
Attenuated combustion for clean power and hydrogen capture Apr 24, 2024 Issued
Array ( [id] => 19346185 [patent_doc_number] => 20240255148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SYSTEM AND METHOD HAVING FLAME STABILIZERS FOR ISOTHERMAL EXPANSION IN TURBINE STAGE OF GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 18/634812 [patent_app_country] => US [patent_app_date] => 2024-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18634812 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/634812
System and method having flame stabilizers for isothermal expansion in turbine stage of gas turbine engine Apr 11, 2024 Issued
Array ( [id] => 19346186 [patent_doc_number] => 20240255149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SYSTEM AND METHOD HAVING FLAME STABILIZERS FOR ISOTHERMAL EXPANSION IN TURBINE STAGE OF GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 18/634814 [patent_app_country] => US [patent_app_date] => 2024-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18634814 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/634814
System and method having flame stabilizers for isothermal expansion in turbine stage of gas turbine engine Apr 11, 2024 Issued
Array ( [id] => 19955711 [patent_doc_number] => 12326120 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-10 [patent_title] => Compact single variable displacement pump fuel system with augmentor controlled high pressure fuel oil cooler and gas generator fault accommodation [patent_app_type] => utility [patent_app_number] => 18/620155 [patent_app_country] => US [patent_app_date] => 2024-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2517 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18620155 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/620155
Compact single variable displacement pump fuel system with augmentor controlled high pressure fuel oil cooler and gas generator fault accommodation Mar 27, 2024 Issued
Array ( [id] => 19755148 [patent_doc_number] => 20250043713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => FLUIDIC TURBO HEATER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/608863 [patent_app_country] => US [patent_app_date] => 2024-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18608863 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/608863
Fluidic turbo heater system Mar 17, 2024 Issued
Array ( [id] => 20256670 [patent_doc_number] => 12429014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Propulsion assembly comprising a fuel conditioning system positioned behind a debris ejection zone, aircraft comprising at least one such propulsion assembly [patent_app_type] => utility [patent_app_number] => 18/608132 [patent_app_country] => US [patent_app_date] => 2024-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18608132 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/608132
Propulsion assembly comprising a fuel conditioning system positioned behind a debris ejection zone, aircraft comprising at least one such propulsion assembly Mar 17, 2024 Issued
Array ( [id] => 19955710 [patent_doc_number] => 12326119 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Methods and apparatus to produce hydrogen gas turbine propulsion [patent_app_type] => utility [patent_app_number] => 18/592194 [patent_app_country] => US [patent_app_date] => 2024-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11622 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18592194 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/592194
Methods and apparatus to produce hydrogen gas turbine propulsion Feb 28, 2024 Issued
Array ( [id] => 19916641 [patent_doc_number] => 12292000 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-06 [patent_title] => Thermal management systems having an oil tank comprising solid-solid phase change material for gas turbine engines [patent_app_type] => utility [patent_app_number] => 18/591414 [patent_app_country] => US [patent_app_date] => 2024-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 3498 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18591414 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/591414
Thermal management systems having an oil tank comprising solid-solid phase change material for gas turbine engines Feb 28, 2024 Issued
Array ( [id] => 20402691 [patent_doc_number] => 12492662 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Fuel pump with built-in thermal bypass [patent_app_type] => utility [patent_app_number] => 18/588810 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18588810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588810
Fuel pump with built-in thermal bypass Feb 26, 2024 Issued
Array ( [id] => 20194246 [patent_doc_number] => 20250270956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => PARTICLE SEPARATION SYSTEM UPSTREAM OF A HEAT EXCHANGER IN A GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 18/588635 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8036 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18588635 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588635
Particle separation system upstream of a heat exchanger in a gas turbine engine Feb 26, 2024 Issued
Array ( [id] => 19333183 [patent_doc_number] => 20240247613 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => APPARATUS AND METHOD FOR MITIGATING AIRFLOW SEPARATION AROUND ENGINE COMBUSTOR [patent_app_type] => utility [patent_app_number] => 18/586081 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7089 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18586081 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/586081
Apparatus and method for mitigating airflow separation around engine combustor Feb 22, 2024 Issued
Array ( [id] => 20107234 [patent_doc_number] => 12357933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Inducer assembly for a turbine engine [patent_app_type] => utility [patent_app_number] => 18/442719 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 32 [patent_no_of_words] => 8699 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 418 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18442719 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442719
Inducer assembly for a turbine engine Feb 14, 2024 Issued
Array ( [id] => 20913154 [patent_doc_number] => 12709996 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-18 [patent_title] => Sound-attenuating devices [patent_app_type] => utility [patent_app_number] => 18/429747 [patent_app_country] => US [patent_app_date] => 2024-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 7701 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18429747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/429747
SOUND-ATTENUATING DEVICES Jan 31, 2024 Pending
Array ( [id] => 20227765 [patent_doc_number] => 12416411 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Injector with tangential feed conduits for hydrogen-driven gas turbine engine [patent_app_type] => utility [patent_app_number] => 18/423788 [patent_app_country] => US [patent_app_date] => 2024-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18423788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/423788
Injector with tangential feed conduits for hydrogen-driven gas turbine engine Jan 25, 2024 Issued
Array ( [id] => 19915994 [patent_doc_number] => 12291344 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Aircraft performance optimization based on engine performance monitoring [patent_app_type] => utility [patent_app_number] => 18/410493 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7749 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410493 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410493
Aircraft performance optimization based on engine performance monitoring Jan 10, 2024 Issued
Array ( [id] => 20060122 [patent_doc_number] => 20250198344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => MULTI-COMPONENT SWIRL VALVES [patent_app_type] => utility [patent_app_number] => 18/539824 [patent_app_country] => US [patent_app_date] => 2023-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18539824 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/539824
Multi-component swirl valves Dec 13, 2023 Issued
Array ( [id] => 19083696 [patent_doc_number] => 20240110497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => PLANETARY GEAR SYSTEM ARRANGEMENT WITH AUXILIARY OIL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/536711 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18536711 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/536711
Planetary gear system arrangement with auxiliary oil system Dec 11, 2023 Issued
Array ( [id] => 19970168 [patent_doc_number] => 12338766 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-24 [patent_title] => Steam injected turbine engine steam generation control [patent_app_type] => utility [patent_app_number] => 18/537161 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18537161 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/537161
Steam injected turbine engine steam generation control Dec 11, 2023 Issued
Array ( [id] => 19098539 [patent_doc_number] => 20240117767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => THERMODYNAMIC APPARATUS [patent_app_type] => utility [patent_app_number] => 18/533447 [patent_app_country] => US [patent_app_date] => 2023-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8127 [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] => 18533447 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/533447
Thermodynamic apparatus Dec 7, 2023 Issued
Array ( [id] => 19051901 [patent_doc_number] => 20240093870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => CMC STEPPED COMBUSTOR LINER [patent_app_type] => utility [patent_app_number] => 18/524753 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18524753 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/524753
CMC stepped combustor liner Nov 29, 2023 Issued
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