Search

Hoang M Nguyen

Examiner (ID: 17853, Phone: (571)272-4861 , Office: P/3748 )

Most Active Art Unit
3748
Art Unit(s)
3401, 3746, 2899, 3748, 3745
Total Applications
5337
Issued Applications
4256
Pending Applications
363
Abandoned Applications
760

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20322017 [patent_doc_number] => 20250334105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => METHOD FOR STORING COMPRESSED AIR ENERGY [patent_app_type] => utility [patent_app_number] => 18/868237 [patent_app_country] => US [patent_app_date] => 2023-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3842 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18868237 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/868237
METHOD FOR STORING COMPRESSED AIR ENERGY May 22, 2023 Pending
Array ( [id] => 20085925 [patent_doc_number] => 20250215861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => GEOTHERMAL POWER GENERATION SYSTEMS WITH PRESSURE EXCHANGERS [patent_app_type] => utility [patent_app_number] => 18/867137 [patent_app_country] => US [patent_app_date] => 2023-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18867137 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/867137
GEOTHERMAL POWER GENERATION SYSTEMS WITH PRESSURE EXCHANGERS May 18, 2023 Pending
Array ( [id] => 19551446 [patent_doc_number] => 12135148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Multiple well pairs for scaling the output of geothermal energy power plants [patent_app_type] => utility [patent_app_number] => 18/144466 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 19470 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18144466 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144466
Multiple well pairs for scaling the output of geothermal energy power plants May 7, 2023 Issued
Array ( [id] => 19594700 [patent_doc_number] => 12152530 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Turbine-compressor assembly and method [patent_app_type] => utility [patent_app_number] => 18/313596 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 16239 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18313596 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/313596
Turbine-compressor assembly and method May 7, 2023 Issued
Array ( [id] => 19166368 [patent_doc_number] => 11982263 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-14 [patent_title] => Shape metal alloy (SMA) bimorph actuators with reduced wire exit angle [patent_app_type] => utility [patent_app_number] => 18/142471 [patent_app_country] => US [patent_app_date] => 2023-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5268 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18142471 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/142471
Shape metal alloy (SMA) bimorph actuators with reduced wire exit angle May 1, 2023 Issued
Array ( [id] => 20350429 [patent_doc_number] => 20250347281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => BATTERY OPERATED MOLTEN METAL PUMP [patent_app_type] => utility [patent_app_number] => 18/854144 [patent_app_country] => US [patent_app_date] => 2023-04-12 [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] => -11 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18854144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/854144
BATTERY OPERATED MOLTEN METAL PUMP Apr 11, 2023 Pending
Array ( [id] => 19211293 [patent_doc_number] => 12000343 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-04 [patent_title] => Pressure balancing of rotating control piston of generator transmission [patent_app_type] => utility [patent_app_number] => 18/295587 [patent_app_country] => US [patent_app_date] => 2023-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2586 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18295587 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/295587
Pressure balancing of rotating control piston of generator transmission Apr 3, 2023 Issued
Array ( [id] => 19498182 [patent_doc_number] => 20240337200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => AIRCRAFT ENGINE FLUID SYSTEM WITH BYPASS VALVE [patent_app_type] => utility [patent_app_number] => 18/130643 [patent_app_country] => US [patent_app_date] => 2023-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4963 [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] => 18130643 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/130643
Aircraft engine fluid system with bypass valve Apr 3, 2023 Issued
Array ( [id] => 18567772 [patent_doc_number] => 20230258107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => Energy Conversion System [patent_app_type] => utility [patent_app_number] => 18/295544 [patent_app_country] => US [patent_app_date] => 2023-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11023 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18295544 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/295544
Energy Conversion System Apr 3, 2023 Abandoned
Array ( [id] => 18512062 [patent_doc_number] => 20230228258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => SYSTEMS AND METHODS FOR GENERATION OF ELECTRICAL POWER IN AN ORGANIC RANKINE CYCLE OPERATION [patent_app_type] => utility [patent_app_number] => 18/125189 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19507 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18125189 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/125189
Systems and methods for generation of electrical power in an organic Rankine cycle operation Mar 22, 2023 Issued
Array ( [id] => 20069294 [patent_doc_number] => 20250207516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => THERMAL ENERGY CONVERSION METHOD AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/848124 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1101 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18848124 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/848124
THERMAL ENERGY CONVERSION METHOD AND SYSTEM Mar 16, 2023 Pending
Array ( [id] => 18854475 [patent_doc_number] => 11852039 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-26 [patent_title] => Steam turbine with redundant low pressure section [patent_app_type] => utility [patent_app_number] => 18/184810 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4589 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18184810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/184810
Steam turbine with redundant low pressure section Mar 15, 2023 Issued
Array ( [id] => 19449949 [patent_doc_number] => 20240310079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => DUAL LOOP HEAT EXCHANGER USING GEOTHERMAL RESOURCE [patent_app_type] => utility [patent_app_number] => 18/182970 [patent_app_country] => US [patent_app_date] => 2023-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13023 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18182970 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/182970
DUAL LOOP HEAT EXCHANGER USING GEOTHERMAL RESOURCE Mar 12, 2023 Pending
Array ( [id] => 20025677 [patent_doc_number] => 20250163899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => ENERGY STORAGE DEVICE WITH A VARIABLE VOLUME CHAMBER [patent_app_type] => utility [patent_app_number] => 18/840427 [patent_app_country] => US [patent_app_date] => 2023-03-08 [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] => -24 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18840427 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/840427
ENERGY STORAGE DEVICE WITH A VARIABLE VOLUME CHAMBER Mar 7, 2023 Pending
Array ( [id] => 18996844 [patent_doc_number] => 11913679 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Geothermal systems and methods with an underground magma chamber [patent_app_type] => utility [patent_app_number] => 18/116693 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 10464 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18116693 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116693
Geothermal systems and methods with an underground magma chamber Mar 1, 2023 Issued
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
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