Search

Hanh N Nguyen

Examiner (ID: 275, Phone: (571)272-2031 , Office: P/2834 )

Most Active Art Unit
2834
Art Unit(s)
2834, 2473, 2413, 2416, 2668, 2662, 2479, 2616, 2738
Total Applications
3164
Issued Applications
2601
Pending Applications
100
Abandoned Applications
474

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19684814 [patent_doc_number] => 20250003359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => EXHAUST GAS ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/882494 [patent_app_country] => US [patent_app_date] => 2024-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3827 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18882494 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/882494
Exhaust gas assembly Sep 10, 2024 Issued
Array ( [id] => 19936331 [patent_doc_number] => 12309546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Directivity pattern control waveguide for a speaker, and speaker including a directivity pattern control waveguide [patent_app_type] => utility [patent_app_number] => 18/772869 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772869 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772869
Directivity pattern control waveguide for a speaker, and speaker including a directivity pattern control waveguide Jul 14, 2024 Issued
Array ( [id] => 19478975 [patent_doc_number] => 20240327017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => Exhaust System for Aerial Vehicle [patent_app_type] => utility [patent_app_number] => 18/742046 [patent_app_country] => US [patent_app_date] => 2024-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8137 [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] => 18742046 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/742046
Exhaust System for Aerial Vehicle Jun 12, 2024 Pending
Array ( [id] => 20185793 [patent_doc_number] => 12396893 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Apparatuses, systems, and methods for increasing or manipulating noise attenuation in hearing protection device [patent_app_type] => utility [patent_app_number] => 18/732425 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 32 [patent_no_of_words] => 5200 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18732425 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/732425
Apparatuses, systems, and methods for increasing or manipulating noise attenuation in hearing protection device Jun 2, 2024 Issued
Array ( [id] => 19218872 [patent_doc_number] => 20240183576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => SILENCER FOR VENTILATION PASSAGE [patent_app_type] => utility [patent_app_number] => 18/442971 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14492 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18442971 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442971
SILENCER FOR VENTILATION PASSAGE Feb 14, 2024 Pending
Array ( [id] => 19271013 [patent_doc_number] => 20240214719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => EARPHONE [patent_app_type] => utility [patent_app_number] => 18/433780 [patent_app_country] => US [patent_app_date] => 2024-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4870 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18433780 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/433780
EARPHONE Feb 5, 2024 Pending
Array ( [id] => 19467583 [patent_doc_number] => 20240321253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => PORTABLE PASSIVE SOUND AMPLIFIER WITH POWER BANK SYSTEM [patent_app_type] => utility [patent_app_number] => 18/421586 [patent_app_country] => US [patent_app_date] => 2024-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8636 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 18421586 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/421586
PORTABLE PASSIVE SOUND AMPLIFIER WITH POWER BANK SYSTEM Jan 23, 2024 Pending
Array ( [id] => 19189213 [patent_doc_number] => 20240168126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => Firearm Discharge Location Systems and Methods [patent_app_type] => utility [patent_app_number] => 18/419893 [patent_app_country] => US [patent_app_date] => 2024-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5546 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18419893 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/419893
Firearm Discharge Location Systems and Methods Jan 22, 2024 Pending
Array ( [id] => 19408628 [patent_doc_number] => 20240292139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Ultrasonic Particle Reduction System for an Acoustic Micro-Valve [patent_app_type] => utility [patent_app_number] => 18/420523 [patent_app_country] => US [patent_app_date] => 2024-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18420523 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/420523
Ultrasonic particle reduction system for an acoustic micro-valve Jan 22, 2024 Issued
Array ( [id] => 19301124 [patent_doc_number] => 20240229693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => EXHAUST MUFFLER FOR INTERNAL COMBUSTION ENGINES [patent_app_type] => utility [patent_app_number] => 18/406324 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18406324 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406324
EXHAUST MUFFLER FOR INTERNAL COMBUSTION ENGINES Jan 7, 2024 Pending
Array ( [id] => 19501544 [patent_doc_number] => 20240340562 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => SPEAKER BOX [patent_app_type] => utility [patent_app_number] => 18/395720 [patent_app_country] => US [patent_app_date] => 2023-12-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18395720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/395720
SPEAKER BOX Dec 24, 2023 Pending
Array ( [id] => 20049329 [patent_doc_number] => 20250187551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => STAMPED BUBBLE SHEET WITH DAMPING ENHANCEMENT [patent_app_type] => utility [patent_app_number] => 18/536848 [patent_app_country] => US [patent_app_date] => 2023-12-12 [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] => -18 [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] => 18536848 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/536848
STAMPED BUBBLE SHEET WITH DAMPING ENHANCEMENT Dec 11, 2023 Pending
Array ( [id] => 19247916 [patent_doc_number] => 20240198901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => SOUND OUTPUT DEVICE FOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/521030 [patent_app_country] => US [patent_app_date] => 2023-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8068 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18521030 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/521030
SOUND OUTPUT DEVICE FOR VEHICLE Nov 27, 2023 Pending
Array ( [id] => 18992488 [patent_doc_number] => 20240064457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => ELECTRONIC DEVICE INCLUDING SOUND MODULE [patent_app_type] => utility [patent_app_number] => 18/499653 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15184 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499653 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499653
ELECTRONIC DEVICE INCLUDING SOUND MODULE Oct 31, 2023 Pending
Array ( [id] => 19689708 [patent_doc_number] => 20250008253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => SOUND GENERATING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/378801 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18378801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/378801
Sound generating apparatus Oct 10, 2023 Issued
Array ( [id] => 19222157 [patent_doc_number] => 20240186861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => IN-WHEEL MOTOR UNIT [patent_app_type] => utility [patent_app_number] => 18/473633 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 817 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18473633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/473633
IN-WHEEL MOTOR UNIT Sep 24, 2023 Pending
Array ( [id] => 19348829 [patent_doc_number] => 20240257793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => Metamaterial Acoustic Barrier Using Vortex Generation for Internal Circulation [patent_app_type] => utility [patent_app_number] => 18/368056 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18368056 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/368056
Metamaterial Acoustic Barrier Using Vortex Generation for Internal Circulation Sep 13, 2023 Pending
Array ( [id] => 18895799 [patent_doc_number] => 20240011284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => SOUND ATTENUATING LAMINATE MATERIALS [patent_app_type] => utility [patent_app_number] => 18/235825 [patent_app_country] => US [patent_app_date] => 2023-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18235825 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235825
SOUND ATTENUATING LAMINATE MATERIALS Aug 18, 2023 Pending
Array ( [id] => 18818487 [patent_doc_number] => 20230392827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => MUFFLER WITH METALLIC MESHED RINGS [patent_app_type] => utility [patent_app_number] => 18/452124 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18452124 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/452124
Muffler with metallic meshed rings Aug 17, 2023 Issued
Array ( [id] => 19315581 [patent_doc_number] => 12041414 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-16 [patent_title] => Directivity pattern control waveguide for a speaker, and speaker including a directivity pattern control waveguide [patent_app_type] => utility [patent_app_number] => 18/450038 [patent_app_country] => US [patent_app_date] => 2023-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 5261 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18450038 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/450038
Directivity pattern control waveguide for a speaker, and speaker including a directivity pattern control waveguide Aug 14, 2023 Issued
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