Search

Hoang M. Nguyen

Examiner (ID: 6971, Phone: (571)272-4861 , Office: P/3748 )

Most Active Art Unit
3748
Art Unit(s)
3401, 3746, 3745, 3748, 2899
Total Applications
5385
Issued Applications
4291
Pending Applications
357
Abandoned Applications
768

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20129767 [patent_doc_number] => 12372071 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Actuator assembly [patent_app_type] => utility [patent_app_number] => 18/721386 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 4773 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18721386 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/721386
Actuator assembly Dec 21, 2022 Issued
Array ( [id] => 19962477 [patent_doc_number] => 12331968 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Solar powered refrigeration systems [patent_app_type] => utility [patent_app_number] => 18/083685 [patent_app_country] => US [patent_app_date] => 2022-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 14391 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18083685 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/083685
Solar powered refrigeration systems Dec 18, 2022 Issued
Array ( [id] => 19793852 [patent_doc_number] => 12234789 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-25 [patent_title] => Power generation system [patent_app_type] => utility [patent_app_number] => 18/720149 [patent_app_country] => US [patent_app_date] => 2022-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5112 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18720149 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/720149
Power generation system Dec 13, 2022 Issued
Array ( [id] => 19419226 [patent_doc_number] => 20240295349 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => RENEWABLE POWER AND/OR WATER GENERATOR [patent_app_type] => utility [patent_app_number] => 18/550372 [patent_app_country] => US [patent_app_date] => 2022-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7437 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18550372 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550372
Renewable power and/or water generator Dec 8, 2022 Issued
Array ( [id] => 19609270 [patent_doc_number] => 12158138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Renewable geothermal energy harvesting systems and methods [patent_app_type] => utility [patent_app_number] => 18/075120 [patent_app_country] => US [patent_app_date] => 2022-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10786 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 358 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18075120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/075120
Renewable geothermal energy harvesting systems and methods Dec 4, 2022 Issued
Array ( [id] => 19755181 [patent_doc_number] => 20250043746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => AN ALPHA TYPE STIRLING ENGINE [patent_app_type] => utility [patent_app_number] => 18/717624 [patent_app_country] => US [patent_app_date] => 2022-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18717624 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/717624
AN ALPHA TYPE STIRLING ENGINE Nov 30, 2022 Abandoned
Array ( [id] => 18526705 [patent_doc_number] => 11713694 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-01 [patent_title] => Ceramic matrix composite blade track segment with two-piece carrier [patent_app_type] => utility [patent_app_number] => 18/072145 [patent_app_country] => US [patent_app_date] => 2022-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5000 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18072145 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/072145
Ceramic matrix composite blade track segment with two-piece carrier Nov 29, 2022 Issued
Array ( [id] => 18794443 [patent_doc_number] => 11828204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Systems and methods for steam reheat in power plants [patent_app_type] => utility [patent_app_number] => 18/072592 [patent_app_country] => US [patent_app_date] => 2022-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 4758 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18072592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/072592
Systems and methods for steam reheat in power plants Nov 29, 2022 Issued
Array ( [id] => 18718588 [patent_doc_number] => 11795924 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Hybrid actuation device including fluidly cooled SMA wires [patent_app_type] => utility [patent_app_number] => 18/059484 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 14619 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18059484 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059484
Hybrid actuation device including fluidly cooled SMA wires Nov 28, 2022 Issued
Array ( [id] => 18285834 [patent_doc_number] => 20230101306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => STORAGE OF EXCESS HEAT IN COLD SIDE OF HEAT ENGINE [patent_app_type] => utility [patent_app_number] => 18/059121 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28291 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18059121 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059121
STORAGE OF EXCESS HEAT IN COLD SIDE OF HEAT ENGINE Nov 27, 2022 Abandoned
Array ( [id] => 20060177 [patent_doc_number] => 20250198399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => CRYOGENIC LIQUID RECIPROCATING PUMP WITH A CYLINDER STRUCTURE FOR COOLING ASSISTANCE [patent_app_type] => utility [patent_app_number] => 18/687365 [patent_app_country] => US [patent_app_date] => 2022-11-25 [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] => -12 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18687365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/687365
CRYOGENIC LIQUID RECIPROCATING PUMP WITH A CYLINDER STRUCTURE FOR COOLING ASSISTANCE Nov 24, 2022 Pending
Array ( [id] => 19746501 [patent_doc_number] => 20250035066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => A SYSTEM AND A METHOD FOR CONTROLLING THE POWER OUTPUT OF A STIRLING ENGINE [patent_app_type] => utility [patent_app_number] => 18/713797 [patent_app_country] => US [patent_app_date] => 2022-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4795 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18713797 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/713797
A SYSTEM AND A METHOD FOR CONTROLLING THE POWER OUTPUT OF A STIRLING ENGINE Nov 24, 2022 Abandoned
Array ( [id] => 19693674 [patent_doc_number] => 20250012219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => ENGINE [patent_app_type] => utility [patent_app_number] => 18/711182 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18711182 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/711182
Engine Nov 17, 2022 Issued
Array ( [id] => 20294192 [patent_doc_number] => 20250319435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => GEOTHERMAL CARBON CAPTURE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/710119 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18710119 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/710119
Geothermal carbon capture system Nov 17, 2022 Issued
Array ( [id] => 20248690 [patent_doc_number] => 20250297559 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => SUPERCRITICAL CARBON DIOXIDE REGENERATIVE BRAYTON CYCLE WITH MULTIPLE RECUPERATORS AND AUXILIARY COMPRESSORS [patent_app_type] => utility [patent_app_number] => 18/708913 [patent_app_country] => US [patent_app_date] => 2022-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2159 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 649 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18708913 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/708913
Supercritical carbon dioxide regenerative Brayton cycle with multiple recuperators and auxiliary compressors Nov 10, 2022 Issued
Array ( [id] => 19659194 [patent_doc_number] => 20240426259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => THERMAL OSCILLATION SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/708219 [patent_app_country] => US [patent_app_date] => 2022-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13377 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18708219 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/708219
Thermal oscillation systems Nov 9, 2022 Issued
Array ( [id] => 18361072 [patent_doc_number] => 20230142663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => STIRLING ENGINE [patent_app_type] => utility [patent_app_number] => 17/982196 [patent_app_country] => US [patent_app_date] => 2022-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17982196 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/982196
Stirling engine Nov 6, 2022 Issued
Array ( [id] => 19441840 [patent_doc_number] => 12092086 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Geopressure and geothermal power system [patent_app_type] => utility [patent_app_number] => 18/264651 [patent_app_country] => US [patent_app_date] => 2022-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6372 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18264651 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/264651
Geopressure and geothermal power system Nov 6, 2022 Issued
Array ( [id] => 18254537 [patent_doc_number] => 20230081576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => PUMPED HEAT ENERGY STORAGE SYSTEM WITH LOAD FOLLOWING [patent_app_type] => utility [patent_app_number] => 18/051253 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 55820 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18051253 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/051253
Pumped heat energy storage system with load following Oct 30, 2022 Issued
Array ( [id] => 20302970 [patent_doc_number] => 12448954 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Buoyant force utilization device [patent_app_type] => utility [patent_app_number] => 18/704599 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5369 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 409 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18704599 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/704599
Buoyant force utilization device Oct 27, 2022 Issued
Menu