Search

Anh Quan Tra

Examiner (ID: 4007, Phone: (571)272-1755 , Office: P/2842 )

Most Active Art Unit
2842
Art Unit(s)
2842, 2843, 2815, 2816
Total Applications
2346
Issued Applications
1816
Pending Applications
122
Abandoned Applications
423

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20033925 [patent_doc_number] => 20250172147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => SUBMERSIBLE PUMP MOTOR DRIVE INCLUDING OUTPUT CLAMPING FILTER [patent_app_type] => utility [patent_app_number] => 18/523036 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1229 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523036 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523036
SUBMERSIBLE PUMP MOTOR DRIVE INCLUDING OUTPUT CLAMPING FILTER Nov 28, 2023 Pending
Array ( [id] => 19671333 [patent_doc_number] => 12184108 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-31 [patent_title] => Energy storage power supply [patent_app_type] => utility [patent_app_number] => 18/520161 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10240 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 1871 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18520161 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/520161
Energy storage power supply Nov 26, 2023 Issued
Array ( [id] => 19176907 [patent_doc_number] => 20240162881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER [patent_app_type] => utility [patent_app_number] => 18/507700 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18507700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507700
ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER Nov 12, 2023 Pending
Array ( [id] => 20441961 [patent_doc_number] => 12512803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Acoustic wave device and manufacturing method thereof [patent_app_type] => utility [patent_app_number] => 18/506152 [patent_app_country] => US [patent_app_date] => 2023-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [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] => 18506152 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/506152
Acoustic wave device and manufacturing method thereof Nov 9, 2023 Issued
Array ( [id] => 19007357 [patent_doc_number] => 20240071428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => LATCH TYPE SENSE AMPLIFIER [patent_app_type] => utility [patent_app_number] => 18/504686 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18504686 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/504686
Latch type sense amplifier Nov 7, 2023 Issued
Array ( [id] => 20002858 [patent_doc_number] => 20250141080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => DIFFERENTIAL WIDEBAND QUADRATURE SIGNAL GENERATION USING OVER-COUPLED DIRECTIONAL COUPLER [patent_app_type] => utility [patent_app_number] => 18/498547 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2351 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18498547 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/498547
Differential wideband quadrature signal generation using over-coupled directional coupler Oct 30, 2023 Issued
Array ( [id] => 20003208 [patent_doc_number] => 20250141430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => SYSTEMS AND METHODS FOR ACOUSTIC FILTERS OPERATING AT HIGH FREQUENCIES [patent_app_type] => utility [patent_app_number] => 18/498015 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2293 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18498015 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/498015
SYSTEMS AND METHODS FOR ACOUSTIC FILTERS OPERATING AT HIGH FREQUENCIES Oct 29, 2023 Pending
Array ( [id] => 18975980 [patent_doc_number] => 20240056072 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => Phase Change Switch Device Having a Set of Heaters Arranged to Heat a Phase Change Material and Method of Operating the Phase Change Switch Device [patent_app_type] => utility [patent_app_number] => 18/496262 [patent_app_country] => US [patent_app_date] => 2023-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18496262 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/496262
Phase change switch device having a set of heaters arranged to heat a phase change material and method of operating the phase change switch device Oct 26, 2023 Issued
Array ( [id] => 20565235 [patent_doc_number] => 12567850 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-03 [patent_title] => Acoustic wave device and manufacturing method for acoustic wave device [patent_app_type] => utility [patent_app_number] => 18/381203 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 45 [patent_no_of_words] => 7825 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 18381203 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381203
Acoustic wave device and manufacturing method for acoustic wave device Oct 17, 2023 Issued
Array ( [id] => 18927880 [patent_doc_number] => 20240030884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => FILTER DEVICE, AND RADIO-FREQUENCY FRONT END CIRCUIT PROVIDED WITH SAME [patent_app_type] => utility [patent_app_number] => 18/376006 [patent_app_country] => US [patent_app_date] => 2023-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5582 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18376006 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/376006
Filter device, and radio-frequency front end circuit provided with same Oct 2, 2023 Issued
Array ( [id] => 19880356 [patent_doc_number] => 20250112613 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => SCATTERING ELEMENTS FOR COUPLING PREVENTION WITH ELECTROACOUSTIC RESONATORS [patent_app_type] => utility [patent_app_number] => 18/478585 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11867 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18478585 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/478585
SCATTERING ELEMENTS FOR COUPLING PREVENTION WITH ELECTROACOUSTIC RESONATORS Sep 28, 2023 Pending
Array ( [id] => 18899316 [patent_doc_number] => 20240014801 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => ACOUSTIC WAVE DEVICE [patent_app_type] => utility [patent_app_number] => 18/369897 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18369897 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369897
Acoustic wave device Sep 18, 2023 Issued
Array ( [id] => 19147232 [patent_doc_number] => 20240146287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => FREQUENCY MIXING CIRCUIT WITH MULTI-TRANSISTOR ARCHITECTURE [patent_app_type] => utility [patent_app_number] => 18/242549 [patent_app_country] => US [patent_app_date] => 2023-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18242549 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/242549
Frequency mixing circuit with multi-transistor architecture Sep 5, 2023 Issued
Array ( [id] => 20558561 [patent_doc_number] => 20260058347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => SIX-PORT ORTHOMODE JUNCTION [patent_app_type] => utility [patent_app_number] => 19/106969 [patent_app_country] => US [patent_app_date] => 2023-08-31 [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] => -11 [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] => 19106969 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/106969
SIX-PORT ORTHOMODE JUNCTION Aug 30, 2023 Pending
Array ( [id] => 18927902 [patent_doc_number] => 20240030906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => BYPASS CIRCUITRY TO IMPROVE SWITCHING SPEED [patent_app_type] => utility [patent_app_number] => 18/452935 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5501 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18452935 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/452935
Bypass circuitry to improve switching speed Aug 20, 2023 Issued
Array ( [id] => 19382791 [patent_doc_number] => 20240272661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => Voltage-to-Current Conversion [patent_app_type] => utility [patent_app_number] => 18/449364 [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] => 15676 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18449364 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/449364
Voltage-to-Current Conversion Aug 13, 2023 Pending
Array ( [id] => 20553013 [patent_doc_number] => 12563823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Device with a high efficiency voltage multiplier [patent_app_type] => utility [patent_app_number] => 18/447367 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447367 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447367
Device with a high efficiency voltage multiplier Aug 9, 2023 Issued
Array ( [id] => 18813549 [patent_doc_number] => 20230387886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => ACOUSTIC WAVE FILTER [patent_app_type] => utility [patent_app_number] => 18/231918 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8587 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231918 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231918
ACOUSTIC WAVE FILTER Aug 8, 2023 Issued
Array ( [id] => 19980740 [patent_doc_number] => 12348231 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Digital logic controller [patent_app_type] => utility [patent_app_number] => 18/360383 [patent_app_country] => US [patent_app_date] => 2023-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18360383 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/360383
Digital logic controller Jul 26, 2023 Issued
Array ( [id] => 18758279 [patent_doc_number] => 20230361750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => ACOUSTIC WAVE DEVICE [patent_app_type] => utility [patent_app_number] => 18/355739 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7321 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355739 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355739
ACOUSTIC WAVE DEVICE Jul 19, 2023 Pending
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