Search

Hoai An D. Nguyen

Examiner (ID: 13808, Phone: (571)272-2170 , Office: P/2868 )

Most Active Art Unit
2858
Art Unit(s)
2858, 2854, 2831, 2868
Total Applications
1691
Issued Applications
1490
Pending Applications
80
Abandoned Applications
140

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19513493 [patent_doc_number] => 20240345179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => APPARATUS FOR GENERATING A SELF-CHECK LEAKAGE CURRENT [patent_app_type] => utility [patent_app_number] => 18/520397 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5196 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18520397 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/520397
Apparatus for generating a self-check leakage current Nov 26, 2023 Issued
Array ( [id] => 20145063 [patent_doc_number] => 12379404 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Circuit arrangement for measuring at least one capacitor [patent_app_type] => utility [patent_app_number] => 18/513897 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18513897 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/513897
Circuit arrangement for measuring at least one capacitor Nov 19, 2023 Issued
Array ( [id] => 20716453 [patent_doc_number] => 12631696 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Device for detecting faults in high-voltage transmission lines [patent_app_type] => utility [patent_app_number] => 18/512253 [patent_app_country] => US [patent_app_date] => 2023-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [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] => 18512253 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/512253
Device for detecting faults in high-voltage transmission lines Nov 16, 2023 Issued
Array ( [id] => 20264980 [patent_doc_number] => 12435964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Contactless capacitive measurement tool with improved throughput and accuracy [patent_app_type] => utility [patent_app_number] => 18/511086 [patent_app_country] => US [patent_app_date] => 2023-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 6665 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18511086 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/511086
Contactless capacitive measurement tool with improved throughput and accuracy Nov 15, 2023 Issued
Array ( [id] => 19924056 [patent_doc_number] => 12298334 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => System and method for determining the impedance properties of a load using load analysis signals [patent_app_type] => utility [patent_app_number] => 18/509838 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4440 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18509838 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/509838
System and method for determining the impedance properties of a load using load analysis signals Nov 14, 2023 Issued
Array ( [id] => 19492633 [patent_doc_number] => 12111337 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Constructive system regarding a capacitive sensor [patent_app_type] => utility [patent_app_number] => 18/506651 [patent_app_country] => US [patent_app_date] => 2023-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3510 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18506651 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/506651
Constructive system regarding a capacitive sensor Nov 9, 2023 Issued
Array ( [id] => 19121945 [patent_doc_number] => 11965920 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-23 [patent_title] => Method for achieving terminal-pair definition of four-terminal-pair impedance and application thereof [patent_app_type] => utility [patent_app_number] => 18/502153 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5545 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 424 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18502153 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/502153
Method for achieving terminal-pair definition of four-terminal-pair impedance and application thereof Nov 5, 2023 Issued
Array ( [id] => 20435310 [patent_doc_number] => 12506489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Techniques for reduced noise capacitance-to-voltage converter [patent_app_type] => utility [patent_app_number] => 18/500886 [patent_app_country] => US [patent_app_date] => 2023-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 15900 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18500886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/500886
Techniques for reduced noise capacitance-to-voltage converter Nov 1, 2023 Issued
Array ( [id] => 20373575 [patent_doc_number] => 12481007 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Systems and methods for testing electrical connections between a chip and external circuitry [patent_app_type] => utility [patent_app_number] => 18/494088 [patent_app_country] => US [patent_app_date] => 2023-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18494088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/494088
Systems and methods for testing electrical connections between a chip and external circuitry Oct 24, 2023 Issued
Array ( [id] => 20241970 [patent_doc_number] => 12422282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Measuring head [patent_app_type] => utility [patent_app_number] => 18/483975 [patent_app_country] => US [patent_app_date] => 2023-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18483975 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/483975
Measuring head Oct 9, 2023 Issued
Array ( [id] => 19506062 [patent_doc_number] => 12117478 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Capacitor inspection method and inspection apparatus used for same [patent_app_type] => utility [patent_app_number] => 18/370581 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 41 [patent_no_of_words] => 15967 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18370581 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/370581
Capacitor inspection method and inspection apparatus used for same Sep 19, 2023 Issued
Array ( [id] => 18896317 [patent_doc_number] => 20240011802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => TOUCH SENSING SYSTEM, MULTI SENSOR DEVICE AND VEHICLE CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 18/369200 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18369200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369200
Touch sensing system, multi sensor device and vehicle control device Sep 17, 2023 Issued
Array ( [id] => 20233663 [patent_doc_number] => 20250290982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => Relay Diagnosis Apparatus and Battery Pack Including the Same [patent_app_type] => utility [patent_app_number] => 18/863397 [patent_app_country] => US [patent_app_date] => 2023-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2406 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18863397 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/863397
Relay Diagnosis Apparatus and Battery Pack Including the Same Sep 12, 2023 Pending
Array ( [id] => 18845897 [patent_doc_number] => 20230408301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => CAPACITIVE-SENSING ROTARY ENCODER [patent_app_type] => utility [patent_app_number] => 18/460915 [patent_app_country] => US [patent_app_date] => 2023-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5506 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18460915 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460915
Capacitive-sensing rotary encoder Sep 4, 2023 Issued
Array ( [id] => 19801893 [patent_doc_number] => 20250067818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => MULTI-FUNCTION END EFFECTOR AND METHOD FOR TESTING THE ELECTRICAL CONTINUITY BETWEEN A STRUCTURE AND A FASTENER [patent_app_type] => utility [patent_app_number] => 18/454009 [patent_app_country] => US [patent_app_date] => 2023-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12262 [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] => 18454009 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/454009
Multi-function end effector and method for testing the electrical continuity between a structure and a fastener Aug 21, 2023 Issued
Array ( [id] => 19941538 [patent_doc_number] => 12313664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Capacitance measurement circuit [patent_app_type] => utility [patent_app_number] => 18/235356 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235356 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235356
Capacitance measurement circuit Aug 17, 2023 Issued
Array ( [id] => 20358394 [patent_doc_number] => 12474386 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Impedance measurement [patent_app_type] => utility [patent_app_number] => 18/450397 [patent_app_country] => US [patent_app_date] => 2023-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4492 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18450397 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/450397
Impedance measurement Aug 14, 2023 Issued
Array ( [id] => 18820991 [patent_doc_number] => 20230395332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => SWITCHGEAR SYSTEM THAT DETERMINES CONTACT EROSION IN CIRCUIT BREAKER [patent_app_type] => utility [patent_app_number] => 18/448200 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5964 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18448200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/448200
Switchgear system that determines contact erosion in circuit breaker Aug 10, 2023 Issued
Array ( [id] => 20159337 [patent_doc_number] => 12385958 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Capacitance detection device, capacitance detection method, and input device [patent_app_type] => utility [patent_app_number] => 18/364226 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 11521 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18364226 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/364226
Capacitance detection device, capacitance detection method, and input device Aug 1, 2023 Issued
Array ( [id] => 18981388 [patent_doc_number] => 11906552 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-20 [patent_title] => Voltage measuring method, computer device and storage medium [patent_app_type] => utility [patent_app_number] => 18/228302 [patent_app_country] => US [patent_app_date] => 2023-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 8669 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 333 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18228302 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/228302
Voltage measuring method, computer device and storage medium Jul 30, 2023 Issued
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