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] => 18809415 [patent_doc_number] => 20230383750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => VACUUM PUMP, SCROLL PUMP, AND MANUFACTURING METHOD FOR SUCH [patent_app_type] => utility [patent_app_number] => 18/449111 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10131 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18449111 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/449111
VACUUM PUMP, SCROLL PUMP, AND MANUFACTURING METHOD FOR SUCH Aug 13, 2023 Pending
Array ( [id] => 19970187 [patent_doc_number] => 12338785 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods [patent_app_type] => utility [patent_app_number] => 18/365431 [patent_app_country] => US [patent_app_date] => 2023-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4367 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18365431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/365431
Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods Aug 3, 2023 Issued
Array ( [id] => 19668118 [patent_doc_number] => 12180853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Combination seal for a supercritical carbon dioxide turbo generator [patent_app_type] => utility [patent_app_number] => 18/364302 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2531 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18364302 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/364302
Combination seal for a supercritical carbon dioxide turbo generator Aug 1, 2023 Issued
Array ( [id] => 18862715 [patent_doc_number] => 20230417151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => Intercooled Cascade Cycle Waste Heat Recovery System [patent_app_type] => utility [patent_app_number] => 18/340286 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10897 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18340286 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340286
Intercooled Cascade Cycle Waste Heat Recovery System Jun 22, 2023 Abandoned
Array ( [id] => 18650410 [patent_doc_number] => 20230296243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => AIR SOURCE HEAT PUMP SYSTEM AND METHOD OF USE FOR INDUSTRIAL STEAM GENERATION [patent_app_type] => utility [patent_app_number] => 18/324066 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23806 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18324066 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/324066
AIR SOURCE HEAT PUMP SYSTEM AND METHOD OF USE FOR INDUSTRIAL STEAM GENERATION May 24, 2023 Abandoned
Array ( [id] => 19158457 [patent_doc_number] => 20240151164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => Clean Electricity Generating System and Method [patent_app_type] => utility [patent_app_number] => 18/321178 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3707 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321178 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321178
Clean electricity generating system and method May 21, 2023 Issued
Array ( [id] => 19651849 [patent_doc_number] => 12173626 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-24 [patent_title] => Power plant [patent_app_type] => utility [patent_app_number] => 18/312646 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6210 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 575 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312646
Power plant May 4, 2023 Issued
Array ( [id] => 19412271 [patent_doc_number] => 12078080 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-03 [patent_title] => Airfoil assembly with a trunnion and spar [patent_app_type] => utility [patent_app_number] => 18/304663 [patent_app_country] => US [patent_app_date] => 2023-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7220 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18304663 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/304663
Airfoil assembly with a trunnion and spar Apr 20, 2023 Issued
Array ( [id] => 19529284 [patent_doc_number] => 20240353186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => HEAT EXCHANGER SYSTEMS AND DEVICES FOR INCREASED DURABILITY [patent_app_type] => utility [patent_app_number] => 18/304771 [patent_app_country] => US [patent_app_date] => 2023-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18304771 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/304771
HEAT EXCHANGER SYSTEMS AND DEVICES FOR INCREASED DURABILITY Apr 20, 2023 Pending
Array ( [id] => 19738782 [patent_doc_number] => 12215606 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Turbine engine with TOBI supporting vanes [patent_app_type] => utility [patent_app_number] => 18/302976 [patent_app_country] => US [patent_app_date] => 2023-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3497 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18302976 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302976
Turbine engine with TOBI supporting vanes Apr 18, 2023 Issued
Array ( [id] => 18738798 [patent_doc_number] => 20230347716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => VEHICLE AIR VENT WITH AUTOMATED VANE CONTROL [patent_app_type] => utility [patent_app_number] => 18/302095 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5014 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18302095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302095
VEHICLE AIR VENT WITH AUTOMATED VANE CONTROL Apr 17, 2023 Pending
Array ( [id] => 18693467 [patent_doc_number] => 20230323866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => Carbon negative clean fuel production system [patent_app_type] => utility [patent_app_number] => 18/299780 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299780 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299780
Carbon negative clean fuel production system Apr 12, 2023 Abandoned
Array ( [id] => 20272536 [patent_doc_number] => 12442310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Turbine engine scroll for use with an internal combustion engine [patent_app_type] => utility [patent_app_number] => 18/129616 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 1146 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18129616 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/129616
Turbine engine scroll for use with an internal combustion engine Mar 30, 2023 Issued
Array ( [id] => 19877490 [patent_doc_number] => 20250109747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => SCROLL PUMP [patent_app_type] => utility [patent_app_number] => 18/834464 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4077 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18834464 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/834464
SCROLL PUMP Mar 29, 2023 Pending
Array ( [id] => 18754779 [patent_doc_number] => 20230358205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => COMBINED MARINE HYDROKINETIC ENERGY HARVESTING FROM CURRENTS AND WAVES [patent_app_type] => utility [patent_app_number] => 18/128293 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3406 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18128293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/128293
Combined marine hydrokinetic energy harvesting from currents and waves Mar 29, 2023 Issued
Array ( [id] => 18643766 [patent_doc_number] => 11767828 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Light turbine, turbine, and turbine housing for vane evaluation [patent_app_type] => utility [patent_app_number] => 18/126668 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 8443 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/126668
Light turbine, turbine, and turbine housing for vane evaluation Mar 26, 2023 Issued
Array ( [id] => 18498335 [patent_doc_number] => 20230221040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => FALLING PARTICLE RECEIVER SYSTEMS WITH MASS FLOW CONTROL [patent_app_type] => utility [patent_app_number] => 18/117932 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18117932 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/117932
FALLING PARTICLE RECEIVER SYSTEMS WITH MASS FLOW CONTROL Mar 5, 2023 Pending
Array ( [id] => 18829240 [patent_doc_number] => 20230397763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => PORTABLE GRILLS INCLUDING A BASE HAVING SUPPORTS FOR STORING REMOVABLE SIDE TABLES [patent_app_type] => utility [patent_app_number] => 18/175353 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16511 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18175353 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/175353
PORTABLE GRILLS INCLUDING A BASE HAVING SUPPORTS FOR STORING REMOVABLE SIDE TABLES Feb 26, 2023 Pending
Array ( [id] => 19871751 [patent_doc_number] => 12264601 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Two-phase thermal pump [patent_app_type] => utility [patent_app_number] => 18/112915 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 7941 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [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] => 18112915 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/112915
Two-phase thermal pump Feb 21, 2023 Issued
Array ( [id] => 18538240 [patent_doc_number] => 20230243343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => Systems and Methods for Fabricating Water-Responsive Actuators [patent_app_type] => utility [patent_app_number] => 18/167275 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18167275 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/167275
Systems and Methods for Fabricating Water-Responsive Actuators Feb 9, 2023 Abandoned
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