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] => 20122178 [patent_doc_number] => 20250237209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => SEALED COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/844709 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4867 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18844709 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/844709
SEALED COMPRESSOR Feb 23, 2023 Pending
Array ( [id] => 19326464 [patent_doc_number] => 12044134 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Adjustment ring for a variable turbine geometry [patent_app_type] => utility [patent_app_number] => 18/112900 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 14546 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18112900 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/112900
Adjustment ring for a variable turbine geometry Feb 21, 2023 Issued
Array ( [id] => 18469724 [patent_doc_number] => 20230204008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => DISPLACEMENT DEVICE INCLUDING FORCE DISPLACEMENT MECHANISM WITH CONSTANT VOLUME BOOT [patent_app_type] => utility [patent_app_number] => 18/170940 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16872 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18170940 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/170940
Displacement device including force displacement mechanism with constant volume boot Feb 16, 2023 Issued
Array ( [id] => 19121627 [patent_doc_number] => 11965599 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Brush seal [patent_app_type] => utility [patent_app_number] => 18/165642 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 13359 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18165642 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165642
Brush seal Feb 6, 2023 Issued
Array ( [id] => 19433376 [patent_doc_number] => 20240301874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => BALANCED GEOTHERMAL ENERGY TRANSFER LOOP [patent_app_type] => utility [patent_app_number] => 18/245812 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18245812 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/245812
Balanced geothermal energy transfer loop Feb 5, 2023 Issued
Array ( [id] => 20025610 [patent_doc_number] => 20250163832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => METHOD AND IMPROVED DEVICE FOR CONVERTING THERMAL ENERGY INTO KINETIC ENERGY [patent_app_type] => utility [patent_app_number] => 18/837179 [patent_app_country] => US [patent_app_date] => 2023-02-03 [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] => -10 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18837179 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/837179
METHOD AND IMPROVED DEVICE FOR CONVERTING THERMAL ENERGY INTO KINETIC ENERGY Feb 2, 2023 Pending
Array ( [id] => 20025610 [patent_doc_number] => 20250163832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => METHOD AND IMPROVED DEVICE FOR CONVERTING THERMAL ENERGY INTO KINETIC ENERGY [patent_app_type] => utility [patent_app_number] => 18/837179 [patent_app_country] => US [patent_app_date] => 2023-02-03 [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] => -10 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18837179 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/837179
METHOD AND IMPROVED DEVICE FOR CONVERTING THERMAL ENERGY INTO KINETIC ENERGY Feb 2, 2023 Pending
Array ( [id] => 19746475 [patent_doc_number] => 20250035040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => HEAT EXCHANGER PROVIDED WITH AN AIR DIFFUSION SYSTEM AND CORRESPONDING TURBOMACHINE [patent_app_type] => utility [patent_app_number] => 18/834706 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18834706 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/834706
Heat exchanger provided with an air diffusion system and corresponding turbomachine Jan 26, 2023 Issued
Array ( [id] => 19910758 [patent_doc_number] => 12286962 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Binary power generation system utilizing renewable energy such as geothermal heat [patent_app_type] => utility [patent_app_number] => 18/039327 [patent_app_country] => US [patent_app_date] => 2023-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18039327 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/039327
Binary power generation system utilizing renewable energy such as geothermal heat Jan 25, 2023 Issued
Array ( [id] => 19863184 [patent_doc_number] => 20250101970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => Vacuum pump and facility for processing and/or packaging food products [patent_app_type] => utility [patent_app_number] => 18/833438 [patent_app_country] => US [patent_app_date] => 2023-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3231 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18833438 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/833438
Vacuum pump and facility for processing and/or packaging food products Jan 23, 2023 Pending
Array ( [id] => 18650253 [patent_doc_number] => 20230296086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => GEOTHERMAL POWER FROM SUPERHOT GEOTHERMAL FLUID AND MAGMA RESERVOIRS [patent_app_type] => utility [patent_app_number] => 18/099509 [patent_app_country] => US [patent_app_date] => 2023-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18487 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18099509 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/099509
Geothermal power from superhot geothermal fluid and magma reservoirs Jan 19, 2023 Issued
Array ( [id] => 19027783 [patent_doc_number] => 11927131 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-03-12 [patent_title] => Energy storage under desert environments [patent_app_type] => utility [patent_app_number] => 18/156019 [patent_app_country] => US [patent_app_date] => 2023-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7395 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18156019 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/156019
Energy storage under desert environments Jan 17, 2023 Issued
Array ( [id] => 18888305 [patent_doc_number] => 11867071 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-09 [patent_title] => Turbine monitoring system and turbine monitoring method [patent_app_type] => utility [patent_app_number] => 18/155992 [patent_app_country] => US [patent_app_date] => 2023-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6497 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [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] => 18155992 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/155992
Turbine monitoring system and turbine monitoring method Jan 17, 2023 Issued
Array ( [id] => 18932835 [patent_doc_number] => 11885243 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Multi-functional fecal waste and garbage processor and associated methods [patent_app_type] => utility [patent_app_number] => 18/154011 [patent_app_country] => US [patent_app_date] => 2023-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 34 [patent_no_of_words] => 11130 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18154011 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/154011
Multi-functional fecal waste and garbage processor and associated methods Jan 11, 2023 Issued
Array ( [id] => 20085936 [patent_doc_number] => 20250215872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => ELECTRIC PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 18/852447 [patent_app_country] => US [patent_app_date] => 2023-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18852447 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/852447
ELECTRIC PUMP SYSTEM Jan 9, 2023 Pending
Array ( [id] => 20085936 [patent_doc_number] => 20250215872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => ELECTRIC PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 18/852447 [patent_app_country] => US [patent_app_date] => 2023-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18852447 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/852447
ELECTRIC PUMP SYSTEM Jan 9, 2023 Pending
Array ( [id] => 18392143 [patent_doc_number] => 20230160362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => WAVE ENERGY CONVERTER [patent_app_type] => utility [patent_app_number] => 18/093934 [patent_app_country] => US [patent_app_date] => 2023-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18093934 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/093934
WAVE ENERGY CONVERTER Jan 5, 2023 Abandoned
Array ( [id] => 18361264 [patent_doc_number] => 20230142855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => SYSTEMS FOR GENERATING GEOTHERMAL POWER IN AN ORGANIC RANKINE CYCLE OPERATION DURING HYDROCARBON PRODUCTION BASED ON WELLHEAD FLUID TEMPERATURE [patent_app_type] => utility [patent_app_number] => 18/149316 [patent_app_country] => US [patent_app_date] => 2023-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18111 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18149316 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/149316
Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature Jan 2, 2023 Issued
Array ( [id] => 18345129 [patent_doc_number] => 20230133239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => OPERATION OF A THERMAL ENERGY STORAGE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/090687 [patent_app_country] => US [patent_app_date] => 2022-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10121 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 499 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18090687 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/090687
Operation of a thermal energy storage system Dec 28, 2022 Issued
Array ( [id] => 18684600 [patent_doc_number] => 11780312 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-10 [patent_title] => Exhaust gas heat recovery from cryo-compression engines with cogeneration of cryo-working fluid [patent_app_type] => utility [patent_app_number] => 18/087849 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5657 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 460 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18087849 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/087849
Exhaust gas heat recovery from cryo-compression engines with cogeneration of cryo-working fluid Dec 22, 2022 Issued
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