Search

Hoang M. Nguyen

Examiner (ID: 12029, Phone: (571)272-4861 , Office: P/3748 )

Most Active Art Unit
3748
Art Unit(s)
3748, 2899, 3401, 3746, 3745
Total Applications
5340
Issued Applications
4261
Pending Applications
359
Abandoned Applications
764

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18666921 [patent_doc_number] => 11773805 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Systems and methods utilizing gas temperature as a power source [patent_app_type] => utility [patent_app_number] => 18/087584 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 16882 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18087584 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/087584
Systems and methods utilizing gas temperature as a power source Dec 21, 2022 Issued
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 Pending
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 Pending
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 Pending
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 Pending
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 Pending
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] => 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] => 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] => 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 Pending
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] => 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] => 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] => 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
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