Search

Khoi H. Tran

Supervisory Patent Examiner (ID: 15867, Phone: (571)272-6919 , Office: P/3664 )

Most Active Art Unit
3651
Art Unit(s)
3101, 3651, 3615, 3664, 3656
Total Applications
1195
Issued Applications
883
Pending Applications
161
Abandoned Applications
152

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18473925 [patent_doc_number] => 20230208213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => MAGNETIC CORE, HOOP MATERIAL, AND MAGNETIC COMPONENT [patent_app_type] => utility [patent_app_number] => 18/172883 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18172883 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/172883
MAGNETIC CORE, HOOP MATERIAL, AND MAGNETIC COMPONENT Feb 21, 2023 Pending
Array ( [id] => 18457045 [patent_doc_number] => 20230198327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => DISC-TYPE IRONLESS PERMANENT MAGNET SYNCHRONOUS GENERATOR POWERED BY AUXILIARY POWER SUPPLY [patent_app_type] => utility [patent_app_number] => 18/172184 [patent_app_country] => US [patent_app_date] => 2023-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2014 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18172184 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/172184
Disc-type ironless permanent magnet synchronous generator powered by auxiliary power supply Feb 20, 2023 Issued
Array ( [id] => 18586528 [patent_doc_number] => 20230268793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => MOTOR FOR IMPACT TOOL [patent_app_type] => utility [patent_app_number] => 18/169680 [patent_app_country] => US [patent_app_date] => 2023-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18169680 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/169680
MOTOR FOR IMPACT TOOL Feb 14, 2023 Abandoned
Array ( [id] => 20064079 [patent_doc_number] => 20250202301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => MOTOR [patent_app_type] => utility [patent_app_number] => 18/847331 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18847331 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/847331
MOTOR Feb 13, 2023 Pending
Array ( [id] => 19364901 [patent_doc_number] => 20240266935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => Adjustable System to Minimize Magnetic Motor Side Loads [patent_app_type] => utility [patent_app_number] => 18/105972 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18105972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/105972
Adjustable system to minimize magnetic motor side loads Feb 5, 2023 Issued
Array ( [id] => 18653785 [patent_doc_number] => 20230299627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => ROTOR [patent_app_type] => utility [patent_app_number] => 18/105552 [patent_app_country] => US [patent_app_date] => 2023-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18105552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/105552
ROTOR Feb 2, 2023 Abandoned
Array ( [id] => 18409422 [patent_doc_number] => 20230170775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => MOTOR ATTACHING STRUCTURE AND MOTOR ATTACHING METHOD [patent_app_type] => utility [patent_app_number] => 18/161950 [patent_app_country] => US [patent_app_date] => 2023-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18161950 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/161950
Motor attaching structure and motor attaching method Jan 30, 2023 Issued
Array ( [id] => 20332661 [patent_doc_number] => 12462945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Power source device and power generation method utilizing radioactive energy due to alpha decay [patent_app_type] => utility [patent_app_number] => 19/100712 [patent_app_country] => US [patent_app_date] => 2023-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5109 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19100712 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/100712
Power source device and power generation method utilizing radioactive energy due to alpha decay Jan 25, 2023 Issued
Array ( [id] => 18501005 [patent_doc_number] => 20230223816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => DRIVING DEVICE AND CLOTHING TREATMENT DEVICE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/094625 [patent_app_country] => US [patent_app_date] => 2023-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18372 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18094625 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/094625
DRIVING DEVICE AND CLOTHING TREATMENT DEVICE INCLUDING THE SAME Jan 8, 2023 Pending
Array ( [id] => 18346367 [patent_doc_number] => 20230134477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => CORE PIECE, STATOR CORE, STATOR, AND ROTARY ELECTRIC MACHINE [patent_app_type] => utility [patent_app_number] => 18/088941 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18088941 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/088941
Core piece, stator core, stator, and rotary electric machine Dec 26, 2022 Issued
Array ( [id] => 19836195 [patent_doc_number] => 20250087981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => WIRING MEMBER ROUTING STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/726829 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18726829 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/726829
WIRING MEMBER ROUTING STRUCTURE Dec 22, 2022 Pending
Array ( [id] => 20434932 [patent_doc_number] => 12505933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Electrical generator system including radionuclide material and intrinsic n-type semiconductor material [patent_app_type] => utility [patent_app_number] => 18/720632 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18720632 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/720632
Electrical generator system including radionuclide material and intrinsic n-type semiconductor material Dec 14, 2022 Issued
Array ( [id] => 19893707 [patent_doc_number] => 20250119019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => SEMI-FINISHED PRODUCT FOR PRODUCING A SLOT INSULATION ELEMENT, SLOT INSULATION ELEMENT, AND STATOR FOR AN ELECTRICAL MACHINE WITH A SLOT INSULATION ELEMENT [patent_app_type] => utility [patent_app_number] => 18/730306 [patent_app_country] => US [patent_app_date] => 2022-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3830 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18730306 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/730306
SEMI-FINISHED PRODUCT FOR PRODUCING A SLOT INSULATION ELEMENT, SLOT INSULATION ELEMENT, AND STATOR FOR AN ELECTRICAL MACHINE WITH A SLOT INSULATION ELEMENT Dec 11, 2022 Pending
Array ( [id] => 19766326 [patent_doc_number] => 12224634 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Stator of rotary electric machine [patent_app_type] => utility [patent_app_number] => 18/063928 [patent_app_country] => US [patent_app_date] => 2022-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 13882 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 548 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18063928 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/063928
Stator of rotary electric machine Dec 8, 2022 Issued
Array ( [id] => 18297238 [patent_doc_number] => 20230106924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => MOTOR UNIT FOR USE IN ELECTRIC BICYCLES, AND ELECTRIC BICYCLE [patent_app_type] => utility [patent_app_number] => 18/078341 [patent_app_country] => US [patent_app_date] => 2022-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8350 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18078341 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/078341
Motor unit with improved heat dissipation capability for use in electric bicycles Dec 8, 2022 Issued
Array ( [id] => 19743635 [patent_doc_number] => 20250032200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => ROTATABLE MOTOR WITH AMBIENT MAGNETIC FIELD STATOR [patent_app_type] => utility [patent_app_number] => 18/716624 [patent_app_country] => US [patent_app_date] => 2022-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15958 [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] => 18716624 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/716624
ROTATABLE MOTOR WITH AMBIENT MAGNETIC FIELD STATOR Dec 6, 2022 Pending
Array ( [id] => 19804700 [patent_doc_number] => 20250070625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => MOTOR [patent_app_type] => utility [patent_app_number] => 18/724445 [patent_app_country] => US [patent_app_date] => 2022-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5794 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18724445 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/724445
MOTOR Dec 6, 2022 Pending
Array ( [id] => 20161685 [patent_doc_number] => 12388326 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Electric machine with a cooling assembly [patent_app_type] => utility [patent_app_number] => 18/060508 [patent_app_country] => US [patent_app_date] => 2022-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1179 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18060508 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/060508
Electric machine with a cooling assembly Nov 29, 2022 Issued
Array ( [id] => 18283151 [patent_doc_number] => 20230098623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => Vibrational Energy Harvester Element [patent_app_type] => utility [patent_app_number] => 18/070291 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6801 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18070291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/070291
Vibrational Energy Harvester Element Nov 27, 2022 Abandoned
Array ( [id] => 20725815 [patent_doc_number] => 20260142534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-21 [patent_title] => MOTOR [patent_app_type] => utility [patent_app_number] => 18/705914 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18705914 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/705914
MOTOR Nov 17, 2022 Pending
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