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] => 19184197 [patent_doc_number] => 11990805 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-21 [patent_title] => Electrical machines for aircraft power and propulsion systems having a defined machine parameter based on a ratio between an active parts torque density and a power factor [patent_app_type] => utility [patent_app_number] => 18/201638 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 33 [patent_no_of_words] => 35701 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18201638 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/201638
Electrical machines for aircraft power and propulsion systems having a defined machine parameter based on a ratio between an active parts torque density and a power factor May 23, 2023 Issued
Array ( [id] => 20508184 [patent_doc_number] => 12542466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Actuator with potting compound [patent_app_type] => utility [patent_app_number] => 18/201423 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18201423 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/201423
Actuator with potting compound May 23, 2023 Issued
Array ( [id] => 20072842 [patent_doc_number] => 20250211064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => Cooling-Fluid-Conducting Rotor Shaft for a Rotor of an Electrical Machine, Having a Two-Part Inflow Region [patent_app_type] => utility [patent_app_number] => 18/847562 [patent_app_country] => US [patent_app_date] => 2023-05-22 [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] => -7 [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] => 18847562 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/847562
Cooling-Fluid-Conducting Rotor Shaft for a Rotor of an Electrical Machine, Having a Two-Part Inflow Region May 21, 2023 Pending
Array ( [id] => 18775098 [patent_doc_number] => 20230369931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => COIL WINDING PORTION STRUCTURE FOR STATOR [patent_app_type] => utility [patent_app_number] => 18/143858 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6981 [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] => 18143858 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143858
Coil winding portion structure for stator May 4, 2023 Issued
Array ( [id] => 19547150 [patent_doc_number] => 20240364186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => COOLING OF AN INTEGRATED VARIABLE-SPEED DRIVE AND MOTOR [patent_app_type] => utility [patent_app_number] => 18/309529 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2030 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18309529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/309529
COOLING OF AN INTEGRATED VARIABLE-SPEED DRIVE AND MOTOR Apr 27, 2023 Abandoned
Array ( [id] => 19023754 [patent_doc_number] => 20240079925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => ROTATING DEVICE [patent_app_type] => utility [patent_app_number] => 18/307075 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4849 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307075 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307075
Rotating device as an actuator Apr 25, 2023 Issued
Array ( [id] => 20714583 [patent_doc_number] => 12629809 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Power supply device with tool modules [patent_app_type] => utility [patent_app_number] => 18/306325 [patent_app_country] => US [patent_app_date] => 2023-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 31 [patent_no_of_words] => 5994 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18306325 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/306325
Power supply device with tool modules Apr 24, 2023 Issued
Array ( [id] => 18875218 [patent_doc_number] => 11863044 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => Motor for high-speed electric hair dryer with concave motor bracket and two bearings arranged on concave motor bracket [patent_app_type] => utility [patent_app_number] => 18/303777 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3085 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18303777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/303777
Motor for high-speed electric hair dryer with concave motor bracket and two bearings arranged on concave motor bracket Apr 19, 2023 Issued
Array ( [id] => 18883597 [patent_doc_number] => 20240006966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => POWER SUPPLY OF A MOTOR FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 18/136702 [patent_app_country] => US [patent_app_date] => 2023-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4420 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18136702 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/136702
Power supply of a vehicle motor having an elastic member with a coupling portion Apr 18, 2023 Issued
Array ( [id] => 20147088 [patent_doc_number] => 12381437 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Drive unit for improving waterproof performance of a connector [patent_app_type] => utility [patent_app_number] => 18/133756 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18133756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/133756
Drive unit for improving waterproof performance of a connector Apr 11, 2023 Issued
Array ( [id] => 19500871 [patent_doc_number] => 20240339889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => MECHANICAL INTER-LOCK FAIL-SAFE FOR HIGH VOLTAGE CONNECTION [patent_app_type] => utility [patent_app_number] => 18/131082 [patent_app_country] => US [patent_app_date] => 2023-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3401 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18131082 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/131082
MECHANICAL INTER-LOCK FAIL-SAFE FOR HIGH VOLTAGE CONNECTION Apr 4, 2023 Pending
Array ( [id] => 20271403 [patent_doc_number] => 12441170 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Electrically operable final drive train [patent_app_type] => utility [patent_app_number] => 18/180194 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180194 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180194
Electrically operable final drive train Mar 7, 2023 Issued
Array ( [id] => 19880252 [patent_doc_number] => 20250112509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => LAMINATED CORE, ROTOR, AND MANUFACTURING METHOD OF LAMINATED CORE [patent_app_type] => utility [patent_app_number] => 18/839984 [patent_app_country] => US [patent_app_date] => 2023-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18839984 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/839984
LAMINATED CORE, ROTOR, AND MANUFACTURING METHOD OF LAMINATED CORE Mar 6, 2023 Pending
Array ( [id] => 18616404 [patent_doc_number] => 20230283143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Motor Shock-Absorbing Structure and an Unmanned Aerial Vehicle Using the Same [patent_app_type] => utility [patent_app_number] => 18/180096 [patent_app_country] => US [patent_app_date] => 2023-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3168 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180096
Motor Shock-Absorbing Structure and an Unmanned Aerial Vehicle Using the Same Mar 6, 2023 Abandoned
Array ( [id] => 18627369 [patent_doc_number] => 20230286186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => WORKING MACHINE [patent_app_type] => utility [patent_app_number] => 18/178920 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8191 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18178920 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/178920
Working machine including a motor accommodating part and a battery accommodating part Mar 5, 2023 Issued
Array ( [id] => 20331110 [patent_doc_number] => 12461382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Multi-axis sector motor [patent_app_type] => utility [patent_app_number] => 18/178149 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18178149 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/178149
Multi-axis sector motor Mar 2, 2023 Issued
Array ( [id] => 18501055 [patent_doc_number] => 20230223869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => ELECTROSTATIC MACHINE SYSTEM AND METHOD OF OPERATION [patent_app_type] => utility [patent_app_number] => 18/117239 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16720 [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] => 18117239 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/117239
ELECTROSTATIC MACHINE SYSTEM AND METHOD OF OPERATION Mar 2, 2023 Pending
Array ( [id] => 18616403 [patent_doc_number] => 20230283142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => ROTARY ELECTRIC MACHINE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/115204 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18115204 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/115204
ROTARY ELECTRIC MACHINE AND ELECTRONIC DEVICE Feb 27, 2023 Pending
Array ( [id] => 18600689 [patent_doc_number] => 20230275492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => HEATSINK WITH SLITS TO REDUCE EDDY CURRENT LOSSES [patent_app_type] => utility [patent_app_number] => 18/114247 [patent_app_country] => US [patent_app_date] => 2023-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114247 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114247
Heatsink with slits to reduce eddy current losses Feb 24, 2023 Issued
Array ( [id] => 20244567 [patent_doc_number] => 12424901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Planar stator configurations for axial flux machines [patent_app_type] => utility [patent_app_number] => 18/113857 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 4286 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18113857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/113857
Planar stator configurations for axial flux machines Feb 23, 2023 Issued
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