Search

Ping Lee

Examiner (ID: 11401, Phone: (571)272-7522 , Office: P/2654 )

Most Active Art Unit
2654
Art Unit(s)
2614, 2654, 2605, 2615, 2608, 2747, 2644, 2612, 2695, 2743
Total Applications
1357
Issued Applications
885
Pending Applications
133
Abandoned Applications
364

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18384009 [patent_doc_number] => 11654775 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Motor drive device [patent_app_type] => utility [patent_app_number] => 17/094062 [patent_app_country] => US [patent_app_date] => 2020-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 5867 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17094062 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/094062
Motor drive device Nov 9, 2020 Issued
Array ( [id] => 17501321 [patent_doc_number] => 11290037 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-03-29 [patent_title] => Motor controller [patent_app_type] => utility [patent_app_number] => 17/090906 [patent_app_country] => US [patent_app_date] => 2020-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2638 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17090906 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/090906
Motor controller Nov 5, 2020 Issued
Array ( [id] => 18165472 [patent_doc_number] => 20230032071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => DRIVE DEVICE FOR A PROTECTIVE HOOD AND METHOD FOR ADJUSTING A PROTECTIVE HOOD [patent_app_type] => utility [patent_app_number] => 17/784203 [patent_app_country] => US [patent_app_date] => 2020-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17784203 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/784203
Drive device for a protective hood and method for adjusting a protective hood Nov 4, 2020 Issued
Array ( [id] => 17574770 [patent_doc_number] => 11323048 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Device for driving a plurality of motors and electric apparatus including the same [patent_app_type] => utility [patent_app_number] => 17/087789 [patent_app_country] => US [patent_app_date] => 2020-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 62 [patent_figures_cnt] => 67 [patent_no_of_words] => 25182 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17087789 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/087789
Device for driving a plurality of motors and electric apparatus including the same Nov 2, 2020 Issued
Array ( [id] => 17803826 [patent_doc_number] => 11418142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Motor-driving apparatus [patent_app_type] => utility [patent_app_number] => 17/086614 [patent_app_country] => US [patent_app_date] => 2020-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4964 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17086614 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/086614
Motor-driving apparatus Nov 1, 2020 Issued
Array ( [id] => 17901704 [patent_doc_number] => 20220311366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => SPEED CONTROL METHOD FOR PERMANENT MAGNET SYNCHRONOUS MOTOR CONSIDERING CURRENT SATURATION AND DISTURBANCE SUPPRESSION [patent_app_type] => utility [patent_app_number] => 17/431326 [patent_app_country] => US [patent_app_date] => 2020-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5466 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 1024 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17431326 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/431326
Speed control method for permanent magnet synchronous motor considering current saturation and disturbance suppression Oct 26, 2020 Issued
Array ( [id] => 17273807 [patent_doc_number] => 20210380005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => VEHICLE AND METHOD FOR CONTROLLING THEREOF [patent_app_type] => utility [patent_app_number] => 17/080465 [patent_app_country] => US [patent_app_date] => 2020-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6862 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17080465 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/080465
Vehicle and method for controlling thereof Oct 25, 2020 Issued
Array ( [id] => 17567346 [patent_doc_number] => 20220131495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => FAN SPEED CONTROL METHOD FOR AVOIDING INACCURATE CONTROL CAUSED BY SUDDEN CHANGE IN POWER SUPPLY OUTPUT STATE [patent_app_type] => utility [patent_app_number] => 17/077825 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3100 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17077825 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/077825
Fan speed control method for avoiding inaccurate control caused by sudden change in power supply output state Oct 21, 2020 Issued
Array ( [id] => 18162900 [patent_doc_number] => 20230029493 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => Power Conversion System and Motor Control Method Based on Same [patent_app_type] => utility [patent_app_number] => 17/791413 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18038 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17791413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/791413
Power conversion system and motor control method based on same Oct 21, 2020 Issued
Array ( [id] => 18081831 [patent_doc_number] => 20220407443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => METHOD AND DEVICE FOR CALIBRATING AN OFFSET ANGLE [patent_app_type] => utility [patent_app_number] => 17/779334 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3745 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17779334 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/779334
Method and device for calibrating an offset angle Oct 20, 2020 Issued
Array ( [id] => 17683844 [patent_doc_number] => 11368110 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-21 [patent_title] => Method and circuit for controlling or starting a U-shape single phase synchronous permanent magnet motors [patent_app_type] => utility [patent_app_number] => 17/076259 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3331 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17076259 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/076259
Method and circuit for controlling or starting a U-shape single phase synchronous permanent magnet motors Oct 20, 2020 Issued
Array ( [id] => 18113709 [patent_doc_number] => 20230006589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => METHOD AND DEVICE FOR CALIBRATING A CONTROLLER OF AN ELECTRIC MACHINE [patent_app_type] => utility [patent_app_number] => 17/780408 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17780408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/780408
Method and device for calibrating a controller of an electric machine Oct 20, 2020 Issued
Array ( [id] => 17547515 [patent_doc_number] => 20220118856 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => HIGH VOLTAGE CIRCUIT AND METHOD FOR CONTROLLING A CONTACTOR IN ELECTRIC VEHICLES [patent_app_type] => utility [patent_app_number] => 17/074375 [patent_app_country] => US [patent_app_date] => 2020-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17074375 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/074375
High voltage circuit and method for controlling a contactor in electric vehicles Oct 18, 2020 Issued
Array ( [id] => 16793879 [patent_doc_number] => 20210123696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => FAN BRAKE CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/065474 [patent_app_country] => US [patent_app_date] => 2020-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17065474 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/065474
Fan brake control system Oct 6, 2020 Issued
Array ( [id] => 16724555 [patent_doc_number] => 20210091702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => CONTROL APPARATUS, VEHICLE SYSTEM, AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 17/026338 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7069 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17026338 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/026338
Control apparatus, vehicle system, and control method Sep 20, 2020 Issued
Array ( [id] => 19815997 [patent_doc_number] => 20250074204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => METHOD AND APPARATUS FOR CONTROLLING ELECTRIC MOTOR NOISE, AND COMPUTER DEVICE AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/043721 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5381 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18043721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043721
Method and apparatus for controlling electric motor noise, and computer device and storage medium Sep 15, 2020 Issued
Array ( [id] => 19839464 [patent_doc_number] => 12251825 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Demolition robot with control and monitoring function to avoid thermal damage to a motor comprised in the demolition robot [patent_app_type] => utility [patent_app_number] => 17/753819 [patent_app_country] => US [patent_app_date] => 2020-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 6670 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17753819 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/753819
Demolition robot with control and monitoring function to avoid thermal damage to a motor comprised in the demolition robot Sep 14, 2020 Issued
Array ( [id] => 17403543 [patent_doc_number] => 20220045634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => ROTATION SPEED REGULATION SYSTEM FOR ELECTRIC TOOL SWITCH [patent_app_type] => utility [patent_app_number] => 17/020853 [patent_app_country] => US [patent_app_date] => 2020-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17020853 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/020853
Rotation speed regulation system for electric tool switch Sep 14, 2020 Issued
Array ( [id] => 18009497 [patent_doc_number] => 20220368264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => ELECTRIC MOTOR CONTROL APPARATUS AND ELECTRIC MOTOR CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 17/629096 [patent_app_country] => US [patent_app_date] => 2020-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10285 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17629096 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/629096
Electric motor control apparatus and electric motor control method Aug 27, 2020 Issued
Array ( [id] => 19611305 [patent_doc_number] => 12160189 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Electric motor control method and electric motor control device [patent_app_type] => utility [patent_app_number] => 18/043172 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 9712 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18043172 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043172
Electric motor control method and electric motor control device Aug 26, 2020 Issued
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