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] => 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
Array ( [id] => 19970402 [patent_doc_number] => 12339002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Propulsion system for jet noise reduction [patent_app_type] => utility [patent_app_number] => 17/732888 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2338 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17732888 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/732888
Propulsion system for jet noise reduction Apr 28, 2022 Issued
Array ( [id] => 18740355 [patent_doc_number] => 20230349332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => RAPID FUEL SHUTDOWN SYSTEM WITH LATCHING [patent_app_type] => utility [patent_app_number] => 17/730781 [patent_app_country] => US [patent_app_date] => 2022-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2349 [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] => 17730781 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/730781
Rapid fuel shutdown system with latching Apr 26, 2022 Issued
Array ( [id] => 18093930 [patent_doc_number] => 20220412271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => METHODS AND APPARATUS TO DETECT AIR FLOW SEPARATION OF AN ENGINE [patent_app_type] => utility [patent_app_number] => 17/729263 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22093 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17729263 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729263
Methods and apparatus to detect air flow separation of an engine Apr 25, 2022 Issued
Array ( [id] => 19249791 [patent_doc_number] => 20240200779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => DIFFUSION CONE FOR THE REAR PART OF A JET ENGINE INCORPORATING A FLAME-HOLDER RING AT THE TRAILING EDGE [patent_app_type] => utility [patent_app_number] => 18/555890 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18555890 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555890
Diffusion cone for the rear part of a jet engine incorporating a flame-holder ring at the trailing edge Apr 14, 2022 Issued
Array ( [id] => 19871778 [patent_doc_number] => 12264628 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Fuel supply system with air expulsion drain for an aircraft engine [patent_app_type] => utility [patent_app_number] => 18/287745 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5004 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18287745 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/287745
Fuel supply system with air expulsion drain for an aircraft engine Apr 12, 2022 Issued
Array ( [id] => 20093978 [patent_doc_number] => 20250223914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => COMBINED CYCLE POWER PLANT HAVING A CARBON CAPTURE SYSTEM WITH A DEDICATED STEAM TURBINE [patent_app_type] => utility [patent_app_number] => 18/853656 [patent_app_country] => US [patent_app_date] => 2022-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18853656 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/853656
COMBINED CYCLE POWER PLANT HAVING A CARBON CAPTURE SYSTEM WITH A DEDICATED STEAM TURBINE Apr 6, 2022 Pending
Array ( [id] => 19141067 [patent_doc_number] => 20240139874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => LASER WELDING PENETRATION MONITORING [patent_app_type] => utility [patent_app_number] => 18/550916 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18550916 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550916
LASER WELDING PENETRATION MONITORING Mar 30, 2022 Pending
Array ( [id] => 18590814 [patent_doc_number] => 11739700 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Aircraft propulsion system with hydrocarbon and hydrogen fuel adaption for reduced condensation trail impact [patent_app_type] => utility [patent_app_number] => 17/697761 [patent_app_country] => US [patent_app_date] => 2022-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 7979 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17697761 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/697761
Aircraft propulsion system with hydrocarbon and hydrogen fuel adaption for reduced condensation trail impact Mar 16, 2022 Issued
Array ( [id] => 19171506 [patent_doc_number] => 20240157480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => METHOD FOR PROCESSING A CARDBOARD WITH A LASER BEAM [patent_app_type] => utility [patent_app_number] => 18/550373 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1605 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18550373 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550373
METHOD FOR PROCESSING A CARDBOARD WITH A LASER BEAM Mar 7, 2022 Pending
Array ( [id] => 19171470 [patent_doc_number] => 20240157444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => Extremely High-speed Laser Metal Deposition Process [patent_app_type] => utility [patent_app_number] => 18/550654 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18550654 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550654
Extremely High-speed Laser Metal Deposition Process Mar 7, 2022 Pending
Array ( [id] => 18583536 [patent_doc_number] => 20230265797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => METHODS AND APPARATUS TO PRODUCE HYDROGEN GAS TURBINE PROPULSION [patent_app_type] => utility [patent_app_number] => 17/678824 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16848 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17678824 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678824
Methods and apparatus to produce hydrogen gas turbine propulsion Feb 22, 2022 Issued
Array ( [id] => 18545812 [patent_doc_number] => 11719156 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Combined power generation system with feedwater fuel preheating arrangement [patent_app_type] => utility [patent_app_number] => 17/677006 [patent_app_country] => US [patent_app_date] => 2022-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 11290 [patent_no_of_claims] => 17 [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] => 17677006 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/677006
Combined power generation system with feedwater fuel preheating arrangement Feb 21, 2022 Issued
Array ( [id] => 18590780 [patent_doc_number] => 11739666 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Waste heat recovery system [patent_app_type] => utility [patent_app_number] => 17/666070 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5134 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17666070 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/666070
Waste heat recovery system Feb 6, 2022 Issued
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