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] => 18831478 [patent_doc_number] => 20230400005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => PRESSURE-REGULATING HYDRODYNAMIC PUMP AND WAVE ENGINE [patent_app_type] => utility [patent_app_number] => 18/208875 [patent_app_country] => US [patent_app_date] => 2023-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23566 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18208875 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/208875
Pressure-regulating hydrodynamic pump and wave engine Jun 11, 2023 Issued
Array ( [id] => 20337072 [patent_doc_number] => 20250341192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => ASSEMBLY FOR A TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 18/869147 [patent_app_country] => US [patent_app_date] => 2023-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3187 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18869147 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/869147
ASSEMBLY FOR A TURBINE ENGINE Jun 6, 2023 Pending
Array ( [id] => 19390219 [patent_doc_number] => 20240280089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => SHAPE MEMORY MATERIAL MEMBER-BASED ACTUATOR [patent_app_type] => utility [patent_app_number] => 18/329217 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13727 [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] => 18329217 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/329217
Shape memory material member-based actuator Jun 4, 2023 Issued
Array ( [id] => 19717929 [patent_doc_number] => 12203456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Geothermal heat harvesters [patent_app_type] => utility [patent_app_number] => 18/327223 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12621 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [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] => 18327223 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327223
Geothermal heat harvesters May 31, 2023 Issued
Array ( [id] => 20439230 [patent_doc_number] => 12510060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [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] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3882 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 Issued
Array ( [id] => 20701979 [patent_doc_number] => 12624681 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [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] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 8264 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 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] => 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] => 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] => 20804226 [patent_doc_number] => 12669127 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [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] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [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] => 18854144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/854144
Battery operated molten metal pump Apr 11, 2023 Issued
Array ( [id] => 20420863 [patent_doc_number] => 20250382948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => POLYMER-BASED TURGOR PRESSURE ACTUATOR, AND DRIVING METHOD AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/835958 [patent_app_country] => US [patent_app_date] => 2023-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18835958 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/835958
POLYMER-BASED TURGOR PRESSURE ACTUATOR, AND DRIVING METHOD AND USE THEREOF Apr 4, 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 Abandoned
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 Issued
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
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