Search

Tuan N Nguyen

Examiner (ID: 4518, Phone: (571)272-4892 , Office: P/3754 )

Most Active Art Unit
2828
Art Unit(s)
3101, 2828, 3751, 3653, 3615, 3651, 3754, 2899
Total Applications
4762
Issued Applications
3630
Pending Applications
272
Abandoned Applications
892

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19339694 [patent_doc_number] => 12049876 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Temperature differential engine [patent_app_type] => utility [patent_app_number] => 17/696012 [patent_app_country] => US [patent_app_date] => 2022-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 33 [patent_no_of_words] => 19004 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17696012 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/696012
Temperature differential engine Mar 15, 2022 Issued
Array ( [id] => 17815958 [patent_doc_number] => 11421559 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-23 [patent_title] => Method of hybrid power generation in an environment with a gas pressure below the Earth's atmospheric pressure [patent_app_type] => utility [patent_app_number] => 17/695674 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4216 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17695674 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/695674
Method of hybrid power generation in an environment with a gas pressure below the Earth's atmospheric pressure Mar 14, 2022 Issued
Array ( [id] => 18512285 [patent_doc_number] => 20230228486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => Vacuum Drying Device for Electrode in Roll-To-Roll State and Vacuum Drying Method Thereof [patent_app_type] => utility [patent_app_number] => 18/011376 [patent_app_country] => US [patent_app_date] => 2022-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18011376 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011376
Vacuum Drying Device for Electrode in Roll-To-Roll State and Vacuum Drying Method Thereof Feb 23, 2022 Pending
Array ( [id] => 18385020 [patent_doc_number] => 11655793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Power generation using storage reservoirs at different elevations [patent_app_type] => utility [patent_app_number] => 17/678739 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 76 [patent_figures_cnt] => 123 [patent_no_of_words] => 74816 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17678739 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678739
Power generation using storage reservoirs at different elevations Feb 22, 2022 Issued
Array ( [id] => 18385020 [patent_doc_number] => 11655793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Power generation using storage reservoirs at different elevations [patent_app_type] => utility [patent_app_number] => 17/678739 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 76 [patent_figures_cnt] => 123 [patent_no_of_words] => 74816 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17678739 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678739
Power generation using storage reservoirs at different elevations Feb 22, 2022 Issued
Array ( [id] => 18385020 [patent_doc_number] => 11655793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Power generation using storage reservoirs at different elevations [patent_app_type] => utility [patent_app_number] => 17/678739 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 76 [patent_figures_cnt] => 123 [patent_no_of_words] => 74816 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17678739 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678739
Power generation using storage reservoirs at different elevations Feb 22, 2022 Issued
Array ( [id] => 18275130 [patent_doc_number] => 11614066 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Fluid displacement energy storage [patent_app_type] => utility [patent_app_number] => 17/678610 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 76 [patent_figures_cnt] => 123 [patent_no_of_words] => 74815 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17678610 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678610
Fluid displacement energy storage Feb 22, 2022 Issued
Array ( [id] => 18385020 [patent_doc_number] => 11655793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Power generation using storage reservoirs at different elevations [patent_app_type] => utility [patent_app_number] => 17/678739 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 76 [patent_figures_cnt] => 123 [patent_no_of_words] => 74816 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17678739 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678739
Power generation using storage reservoirs at different elevations Feb 22, 2022 Issued
Array ( [id] => 19770733 [patent_doc_number] => 20250052159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => ROTOR ASSEMBLY HAVING PROTECTIVE CORE AND GAS TURBINE ENGINE COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 18/719484 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18719484 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/719484
Rotor assembly having protective core and gas turbine engine comprising same Feb 14, 2022 Issued
Array ( [id] => 19746549 [patent_doc_number] => 20250035114 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => SCROLL COMPRESSOR WITH DIRECT RETURN OF OIL FROM AN OIL SEPARATOR INTO A COMPRESSION PORTION [patent_app_type] => utility [patent_app_number] => 18/262803 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18262803 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/262803
Scroll compressor with direct return of oil from an oil separator into a compression portion Jan 24, 2022 Issued
Array ( [id] => 17579559 [patent_doc_number] => 20220136414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => FACILITY FOR GENERATING MECHANICAL ENERGY BY MEANS OF A COMBINED POWER CYCLE [patent_app_type] => utility [patent_app_number] => 17/577710 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -48 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17577710 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/577710
Facility for generating mechanical energy by means of a combined power cycle Jan 17, 2022 Issued
Array ( [id] => 18636765 [patent_doc_number] => 11761354 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Mechanical/electrical power generation system [patent_app_type] => utility [patent_app_number] => 17/576362 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3960 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17576362 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/576362
Mechanical/electrical power generation system Jan 13, 2022 Issued
Array ( [id] => 18478813 [patent_doc_number] => 11692546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Compressor having damped scroll [patent_app_type] => utility [patent_app_number] => 17/574022 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 8761 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17574022 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/574022
Compressor having damped scroll Jan 11, 2022 Issued
Array ( [id] => 17705426 [patent_doc_number] => 20220205432 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => Thermal Buoyant High Efficient System [patent_app_type] => utility [patent_app_number] => 17/573671 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11347 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 534 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17573671 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/573671
Thermal buoyant high efficient system Jan 11, 2022 Issued
Array ( [id] => 19557267 [patent_doc_number] => 20240369059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => ROTARY COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/274829 [patent_app_country] => US [patent_app_date] => 2022-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12503 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274829 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274829
ROTARY COMPRESSOR Jan 5, 2022 Abandoned
Array ( [id] => 19339715 [patent_doc_number] => 12049897 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Baffle plate for compressor, compressor, and refrigeration apparatus [patent_app_type] => utility [patent_app_number] => 17/556355 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 9477 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17556355 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/556355
Baffle plate for compressor, compressor, and refrigeration apparatus Dec 19, 2021 Issued
Array ( [id] => 17688725 [patent_doc_number] => 20220196017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => MUFFLER DEVICE AND COMPRESSOR HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 17/553020 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17553020 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/553020
Muffler device and compressor having the same Dec 15, 2021 Issued
Array ( [id] => 17521110 [patent_doc_number] => 20220106959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => COMPRESSOR FOR HIGH EFFICIENCY HEAT PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 17/644214 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6014 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17644214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/644214
Compressor for high efficiency heat pump system Dec 13, 2021 Issued
Array ( [id] => 18888394 [patent_doc_number] => 11867160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Shape memory alloy actuators and methods thereof [patent_app_type] => utility [patent_app_number] => 17/549348 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 50 [patent_figures_cnt] => 91 [patent_no_of_words] => 11831 [patent_no_of_claims] => 15 [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] => 17549348 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549348
Shape memory alloy actuators and methods thereof Dec 12, 2021 Issued
Array ( [id] => 18879903 [patent_doc_number] => 20240003272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => MULTISTAGE-COMPRESSION ENERGY STORAGE APPARATUS AND METHOD BASED ON CARBON DIOXIDE GAS-LIQUID PHASE CHANGE [patent_app_type] => utility [patent_app_number] => 18/039760 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18039760 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/039760
MULTISTAGE-COMPRESSION ENERGY STORAGE APPARATUS AND METHOD BASED ON CARBON DIOXIDE GAS-LIQUID PHASE CHANGE Dec 7, 2021 Pending
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