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] => 19014241 [patent_doc_number] => 11921167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Earth fault detection apparatus [patent_app_type] => utility [patent_app_number] => 17/752178 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3892 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752178 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752178
Earth fault detection apparatus May 23, 2022 Issued
Array ( [id] => 18719012 [patent_doc_number] => 11796349 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Capacitive sensor chip based on power-aware dynamic charge-domain amplifier array [patent_app_type] => utility [patent_app_number] => 17/751837 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3700 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17751837 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/751837
Capacitive sensor chip based on power-aware dynamic charge-domain amplifier array May 23, 2022 Issued
Array ( [id] => 19014241 [patent_doc_number] => 11921167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Earth fault detection apparatus [patent_app_type] => utility [patent_app_number] => 17/752178 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3892 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752178 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752178
Earth fault detection apparatus May 23, 2022 Issued
Array ( [id] => 19014241 [patent_doc_number] => 11921167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Earth fault detection apparatus [patent_app_type] => utility [patent_app_number] => 17/752178 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3892 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752178 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752178
Earth fault detection apparatus May 23, 2022 Issued
Array ( [id] => 19014241 [patent_doc_number] => 11921167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Earth fault detection apparatus [patent_app_type] => utility [patent_app_number] => 17/752178 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3892 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752178 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752178
Earth fault detection apparatus May 23, 2022 Issued
Array ( [id] => 18527129 [patent_doc_number] => 11714119 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Earth fault detection apparatus [patent_app_type] => utility [patent_app_number] => 17/750834 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4565 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17750834 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/750834
Earth fault detection apparatus May 22, 2022 Issued
Array ( [id] => 18356089 [patent_doc_number] => 11644484 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-09 [patent_title] => Electrical sensor assembly [patent_app_type] => utility [patent_app_number] => 17/664585 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5482 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17664585 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/664585
Electrical sensor assembly May 22, 2022 Issued
Array ( [id] => 20265218 [patent_doc_number] => 12436203 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Electrical circuit arrangement and method for detecting a short circuit [patent_app_type] => utility [patent_app_number] => 18/290177 [patent_app_country] => US [patent_app_date] => 2022-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1162 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18290177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/290177
Electrical circuit arrangement and method for detecting a short circuit May 16, 2022 Issued
Array ( [id] => 19197305 [patent_doc_number] => 11994537 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Floating voltage measuring circuit and method [patent_app_type] => utility [patent_app_number] => 17/743785 [patent_app_country] => US [patent_app_date] => 2022-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4658 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17743785 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/743785
Floating voltage measuring circuit and method May 12, 2022 Issued
Array ( [id] => 19685471 [patent_doc_number] => 20250004016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => SENSORED INSULATION PLUG WITH DETECTION CONTACT [patent_app_type] => utility [patent_app_number] => 18/562096 [patent_app_country] => US [patent_app_date] => 2022-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18562096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/562096
Sensored insulation plug with detection contact May 10, 2022 Issued
Array ( [id] => 17991374 [patent_doc_number] => 20220357411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => METHOD AND MEASURING DEVICE FOR DETECTING A LEAKAGE CURRENT IN AN UNGROUNDED, SINGLE-PHASE ALTERNATING-CURRENT POWER SUPPLY SYSTEM [patent_app_type] => utility [patent_app_number] => 17/737195 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2793 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17737195 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/737195
Method and measuring device for detecting a leakage current in an ungrounded, single-phase alternating-current power supply system May 4, 2022 Issued
Array ( [id] => 18429767 [patent_doc_number] => 11674982 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Voltage detection unit [patent_app_type] => utility [patent_app_number] => 17/732069 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 8850 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17732069 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/732069
Voltage detection unit Apr 27, 2022 Issued
Array ( [id] => 17983910 [patent_doc_number] => 20220349946 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => VOLTAGE DETECTION UNIT [patent_app_type] => utility [patent_app_number] => 17/731711 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731711
Voltage detection unit Apr 27, 2022 Issued
Array ( [id] => 18370090 [patent_doc_number] => 11650257 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Voltage detection unit [patent_app_type] => utility [patent_app_number] => 17/731501 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 9626 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731501 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731501
Voltage detection unit Apr 27, 2022 Issued
Array ( [id] => 19412719 [patent_doc_number] => 12078531 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Devices, systems, and methods for calibrating an optical measurement device [patent_app_type] => utility [patent_app_number] => 17/729593 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 22 [patent_no_of_words] => 10204 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729593
Devices, systems, and methods for calibrating an optical measurement device Apr 25, 2022 Issued
Array ( [id] => 20194769 [patent_doc_number] => 20250271479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => MICROWAVE LEAK DETECTION METHOD AND MICROWAVE LEAK DETECTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/553560 [patent_app_country] => US [patent_app_date] => 2022-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18553560 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/553560
MICROWAVE LEAK DETECTION METHOD AND MICROWAVE LEAK DETECTION DEVICE Apr 3, 2022 Abandoned
Array ( [id] => 19092013 [patent_doc_number] => 11953460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Monolithic humidity sensor devices and methods of manufacture [patent_app_type] => utility [patent_app_number] => 17/709692 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 3443 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17709692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/709692
Monolithic humidity sensor devices and methods of manufacture Mar 30, 2022 Issued
Array ( [id] => 19197252 [patent_doc_number] => 11994484 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Apparatus and method for single cell discrimination [patent_app_type] => utility [patent_app_number] => 17/703783 [patent_app_country] => US [patent_app_date] => 2022-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 11497 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17703783 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/703783
Apparatus and method for single cell discrimination Mar 23, 2022 Issued
Array ( [id] => 17706082 [patent_doc_number] => 20220206088 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => LENGTH DETECTOR WITH MAGNETORESITIVE ELEMENTS [patent_app_type] => utility [patent_app_number] => 17/655463 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14531 [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] => 17655463 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/655463
Length detector with magnetoresitive elements Mar 17, 2022 Issued
Array ( [id] => 19312657 [patent_doc_number] => 12038464 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Capacitance sensing systems and methods [patent_app_type] => utility [patent_app_number] => 17/694731 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 9113 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17694731 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/694731
Capacitance sensing systems and methods Mar 14, 2022 Issued
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