Search

Wei Chan

Examiner (ID: 10212, Phone: (571)272-5177 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2845, 2844
Total Applications
808
Issued Applications
598
Pending Applications
81
Abandoned Applications
151

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18040950 [patent_doc_number] => 20220385167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => RESONANT FREQUENCY TRACKING FOR ZERO VOLTAGE SWITCHING [patent_app_type] => utility [patent_app_number] => 17/336129 [patent_app_country] => US [patent_app_date] => 2021-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4449 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17336129 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/336129
Resonant frequency tracking for zero voltage switching May 31, 2021 Issued
Array ( [id] => 18040988 [patent_doc_number] => 20220385205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => TRANSFORMER-LESS AC-DC INPUT COMPATIBLE BOOST RESONANT INVERTER [patent_app_type] => utility [patent_app_number] => 17/336086 [patent_app_country] => US [patent_app_date] => 2021-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17336086 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/336086
Transformer-less AC-DC input compatible boost resonant inverter May 31, 2021 Issued
Array ( [id] => 19108600 [patent_doc_number] => 11961714 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Substrate processing apparatus [patent_app_type] => utility [patent_app_number] => 17/334855 [patent_app_country] => US [patent_app_date] => 2021-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9946 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17334855 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/334855
Substrate processing apparatus May 30, 2021 Issued
Array ( [id] => 19494201 [patent_doc_number] => 12112922 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Plasma treatment apparatus [patent_app_type] => utility [patent_app_number] => 17/641886 [patent_app_country] => US [patent_app_date] => 2021-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5796 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17641886 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/641886
Plasma treatment apparatus May 26, 2021 Issued
Array ( [id] => 18515043 [patent_doc_number] => 20230231316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => DIELECTRIC CYLINDRICAL LENS AND DIELECTRIC FILM, FABRICATION METHOD OF DIELECTRIC CYLINDRICAL LENS [patent_app_type] => utility [patent_app_number] => 18/007921 [patent_app_country] => US [patent_app_date] => 2021-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5657 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18007921 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007921
DIELECTRIC CYLINDRICAL LENS AND DIELECTRIC FILM, FABRICATION METHOD OF DIELECTRIC CYLINDRICAL LENS May 22, 2021 Abandoned
Array ( [id] => 18452604 [patent_doc_number] => 20230193883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => MAGNETIC CIRCUIT FOR CREATING A MAGNETIC FIELD IN A MAIN ANNULAR IONISATION AND ACCELERATION CHANNEL OF A HALL-EFFECT PLASMA THRUSTER [patent_app_type] => utility [patent_app_number] => 17/926420 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2341 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17926420 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/926420
Magnetic circuit for creating a magnetic field in a main annular ionisation and acceleration channel of a hall-effect plasma thruster May 17, 2021 Issued
Array ( [id] => 18559404 [patent_doc_number] => 11724636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Combined radar and lighting unit and laser radar apparatus [patent_app_type] => utility [patent_app_number] => 17/318844 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6300 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17318844 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/318844
Combined radar and lighting unit and laser radar apparatus May 11, 2021 Issued
Array ( [id] => 17056286 [patent_doc_number] => 20210265720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => Dual Antenna Wireless Communication Device in a Load Control System [patent_app_type] => utility [patent_app_number] => 17/316096 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6758 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17316096 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/316096
Dual antenna wireless communication device in a load control system May 9, 2021 Issued
Array ( [id] => 17036062 [patent_doc_number] => 20210253020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => DEVICE AND METHOD FOR CONTROLLING LIGHT SOURCES IN MOTOR VEHICLES [patent_app_type] => utility [patent_app_number] => 17/313205 [patent_app_country] => US [patent_app_date] => 2021-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6026 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17313205 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/313205
DEVICE AND METHOD FOR CONTROLLING LIGHT SOURCES IN MOTOR VEHICLES May 5, 2021 Abandoned
Array ( [id] => 17676580 [patent_doc_number] => 20220189747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => Workpiece Processing Apparatus with Plasma and Thermal Processing Systems [patent_app_type] => utility [patent_app_number] => 17/242383 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17242383 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/242383
Workpiece processing apparatus with plasma and thermal processing systems Apr 27, 2021 Issued
Array ( [id] => 17025354 [patent_doc_number] => 20210249226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => Plasma Processing System with Synchronized Signal Modulation [patent_app_type] => utility [patent_app_number] => 17/240733 [patent_app_country] => US [patent_app_date] => 2021-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5194 [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] => 17240733 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/240733
Plasma Processing System with Synchronized Signal Modulation Apr 25, 2021 Abandoned
Array ( [id] => 17433425 [patent_doc_number] => 20220061135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => Systems and Methods for LED Driver Headroom Control [patent_app_type] => utility [patent_app_number] => 17/238851 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17238851 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/238851
Systems and Methods for LED Driver Headroom Control Apr 22, 2021 Abandoned
Array ( [id] => 17908966 [patent_doc_number] => 11462834 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Antenna module and electronic device including the same [patent_app_type] => utility [patent_app_number] => 17/234857 [patent_app_country] => US [patent_app_date] => 2021-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 8050 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17234857 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/234857
Antenna module and electronic device including the same Apr 19, 2021 Issued
Array ( [id] => 18655107 [patent_doc_number] => 20230300958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => COLOR TEMPERATURE CONTROLLABLE LED FILAMENT LAMP PROVIDING IMPROVED LIGHT QUALITY [patent_app_type] => utility [patent_app_number] => 17/918921 [patent_app_country] => US [patent_app_date] => 2021-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6353 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17918921 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/918921
Color temperature controllable led filament lamp providing improved light quality Apr 11, 2021 Issued
Array ( [id] => 17169797 [patent_doc_number] => 20210323467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => FUNCTIONAL DOOR LINER [patent_app_type] => utility [patent_app_number] => 17/225829 [patent_app_country] => US [patent_app_date] => 2021-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17225829 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/225829
FUNCTIONAL DOOR LINER Apr 7, 2021 Abandoned
Array ( [id] => 17147075 [patent_doc_number] => 20210315089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => System and Method for Plasma-Electron Sterilization [patent_app_type] => utility [patent_app_number] => 17/220465 [patent_app_country] => US [patent_app_date] => 2021-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17220465 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/220465
System and method for plasma-electron sterilization Mar 31, 2021 Issued
Array ( [id] => 16967900 [patent_doc_number] => 20210219399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE [patent_app_type] => utility [patent_app_number] => 17/216378 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17216378 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/216378
Load control device for a light-emitting diode light source Mar 28, 2021 Issued
Array ( [id] => 19935308 [patent_doc_number] => 12308518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Slot mode antennas [patent_app_type] => utility [patent_app_number] => 17/206507 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17206507 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/206507
Slot mode antennas Mar 18, 2021 Issued
Array ( [id] => 18671775 [patent_doc_number] => 11778707 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Settings yielding different spectra and similar color [patent_app_type] => utility [patent_app_number] => 17/206941 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 8312 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17206941 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/206941
Settings yielding different spectra and similar color Mar 18, 2021 Issued
Array ( [id] => 17684748 [patent_doc_number] => 11369021 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-21 [patent_title] => Customizable animated LED display for product package insert [patent_app_type] => utility [patent_app_number] => 17/203301 [patent_app_country] => US [patent_app_date] => 2021-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 4483 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17203301 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/203301
Customizable animated LED display for product package insert Mar 15, 2021 Issued
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