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] => 18509824 [patent_doc_number] => 20230225905 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => HEARING PROTECTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/001126 [patent_app_country] => US [patent_app_date] => 2021-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8052 [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] => 18001126 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/001126
Hearing protection device Jun 3, 2021 Issued
Array ( [id] => 19730004 [patent_doc_number] => 12207990 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => High frequency noise filtering earplug using metasurface [patent_app_type] => utility [patent_app_number] => 17/773212 [patent_app_country] => US [patent_app_date] => 2021-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4200 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17773212 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/773212
High frequency noise filtering earplug using metasurface Jun 3, 2021 Issued
Array ( [id] => 18025945 [patent_doc_number] => 20220377444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => SPEAKER [patent_app_type] => utility [patent_app_number] => 17/338712 [patent_app_country] => US [patent_app_date] => 2021-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2397 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17338712 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/338712
SPEAKER Jun 3, 2021 Abandoned
Array ( [id] => 18329833 [patent_doc_number] => 11635064 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-04-25 [patent_title] => Microfluidic-based artificial muscles and method of formation [patent_app_type] => utility [patent_app_number] => 17/338393 [patent_app_country] => US [patent_app_date] => 2021-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 7721 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17338393 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/338393
Microfluidic-based artificial muscles and method of formation Jun 2, 2021 Issued
Array ( [id] => 18473945 [patent_doc_number] => 20230208233 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => ROTATING ELECTRIC MACHINE AND METHOD FOR MANUFACTURING ROTATING ELECTRIC MACHINE [patent_app_type] => utility [patent_app_number] => 18/008247 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18008247 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/008247
Rotating electric machine and method for manufacturing rotating electric machine May 27, 2021 Issued
Array ( [id] => 18932856 [patent_doc_number] => 11885264 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Acoustic cores with sound-attenuating protuberances [patent_app_type] => utility [patent_app_number] => 17/333085 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 10006 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17333085 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/333085
Acoustic cores with sound-attenuating protuberances May 27, 2021 Issued
Array ( [id] => 20346374 [patent_doc_number] => 12470110 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => High voltage electric machine with improved stator insulation [patent_app_type] => utility [patent_app_number] => 18/008377 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 2323 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18008377 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/008377
High voltage electric machine with improved stator insulation May 27, 2021 Issued
Array ( [id] => 17365851 [patent_doc_number] => 11232880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-25 [patent_title] => Lattice energy conversion device [patent_app_type] => utility [patent_app_number] => 17/334562 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 10094 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17334562 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/334562
Lattice energy conversion device May 27, 2021 Issued
Array ( [id] => 18680703 [patent_doc_number] => 20230318366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => ELECTRICAL MACHINE HAVING A SEGMENTED STATOR OR ROTOR [patent_app_type] => utility [patent_app_number] => 18/013054 [patent_app_country] => US [patent_app_date] => 2021-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2650 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18013054 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013054
ELECTRICAL MACHINE HAVING A SEGMENTED STATOR OR ROTOR May 20, 2021 Abandoned
Array ( [id] => 18025954 [patent_doc_number] => 20220377453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => MEMS MICROPHONE [patent_app_type] => utility [patent_app_number] => 17/325242 [patent_app_country] => US [patent_app_date] => 2021-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17325242 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/325242
MEMS microphone May 19, 2021 Issued
Array ( [id] => 19906826 [patent_doc_number] => 12283847 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Rotor of rotary electric machine, rotary electric machine and electric drive device [patent_app_type] => utility [patent_app_number] => 18/017911 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3218 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18017911 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017911
Rotor of rotary electric machine, rotary electric machine and electric drive device May 17, 2021 Issued
Array ( [id] => 18947882 [patent_doc_number] => 11891162 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Additively manufactured septa for acoustic panels [patent_app_type] => utility [patent_app_number] => 17/315783 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 4655 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17315783 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/315783
Additively manufactured septa for acoustic panels May 9, 2021 Issued
Array ( [id] => 17011594 [patent_doc_number] => 20210242755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => ELECTRICAL SUB-ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/240036 [patent_app_country] => US [patent_app_date] => 2021-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17240036 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/240036
Electrical sub-assembly Apr 25, 2021 Issued
Array ( [id] => 17530520 [patent_doc_number] => 11303229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Cooling module using electrical pulses [patent_app_type] => utility [patent_app_number] => 17/238643 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7067 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17238643 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/238643
Cooling module using electrical pulses Apr 22, 2021 Issued
Array ( [id] => 18890693 [patent_doc_number] => 11869470 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Acoustic system [patent_app_type] => utility [patent_app_number] => 17/232835 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 50 [patent_no_of_words] => 20918 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17232835 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/232835
Acoustic system Apr 15, 2021 Issued
Array ( [id] => 17544670 [patent_doc_number] => 11309810 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Producing electrical energy [patent_app_type] => utility [patent_app_number] => 17/229692 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7769 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17229692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/229692
Producing electrical energy Apr 12, 2021 Issued
Array ( [id] => 18560318 [patent_doc_number] => 11725554 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Insert assembly unit for a muffler of an exhaust system of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/224845 [patent_app_country] => US [patent_app_date] => 2021-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2973 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17224845 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/224845
Insert assembly unit for a muffler of an exhaust system of an internal combustion engine Apr 6, 2021 Issued
Array ( [id] => 20241571 [patent_doc_number] => 12421880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Exhaust valve and method for manufacturing same [patent_app_type] => utility [patent_app_number] => 18/283046 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18283046 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/283046
Exhaust valve and method for manufacturing same Mar 25, 2021 Issued
Array ( [id] => 16981117 [patent_doc_number] => 20210225354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => ACOUSTIC LENS FOR SAFETY BARRIERS [patent_app_type] => utility [patent_app_number] => 17/201952 [patent_app_country] => US [patent_app_date] => 2021-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17201952 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/201952
Acoustic lens for safety barriers Mar 14, 2021 Issued
Array ( [id] => 18188328 [patent_doc_number] => 11578901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Cooling fan for refrigerant cooled motor [patent_app_type] => utility [patent_app_number] => 17/200083 [patent_app_country] => US [patent_app_date] => 2021-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5195 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17200083 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/200083
Cooling fan for refrigerant cooled motor Mar 11, 2021 Issued
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