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] => 20698323 [patent_doc_number] => 20260129741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-07 [patent_title] => PLASMA RADIO-FREQUENCY WAVEGUIDE SWITCH [patent_app_type] => utility [patent_app_number] => 18/934977 [patent_app_country] => US [patent_app_date] => 2024-11-01 [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] => -14 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18934977 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/934977
Plasma radio-frequency waveguide switch Oct 31, 2024 Issued
Array ( [id] => 20463582 [patent_doc_number] => 20260013014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => CONDITIONAL MULTl-CHANNEL LIGHTING CONTROL [patent_app_type] => utility [patent_app_number] => 18/932287 [patent_app_country] => US [patent_app_date] => 2024-10-30 [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] => -22 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18932287 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/932287
CONDITIONAL MULTl-CHANNEL LIGHTING CONTROL Oct 29, 2024 Pending
Array ( [id] => 19712270 [patent_doc_number] => 20250022412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => ACTIVE CONTROL OF LIGHT EMITTING DIODES AND LIGHT EMITTING DIODE DISPLAYS [patent_app_type] => utility [patent_app_number] => 18/904720 [patent_app_country] => US [patent_app_date] => 2024-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28906 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18904720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/904720
ACTIVE CONTROL OF LIGHT EMITTING DIODES AND LIGHT EMITTING DIODE DISPLAYS Oct 1, 2024 Pending
Array ( [id] => 20029198 [patent_doc_number] => 20250167420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => METHOD OF ATTACHING A WATER-RESISTANT ELEMENT TO A HOUSING [patent_app_type] => utility [patent_app_number] => 18/897616 [patent_app_country] => US [patent_app_date] => 2024-09-26 [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] => -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] => 18897616 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/897616
METHOD OF ATTACHING A WATER-RESISTANT ELEMENT TO A HOUSING Sep 25, 2024 Pending
Array ( [id] => 20449964 [patent_doc_number] => 20260006693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => LAMP CONTROL SIGNAL CONVERSION AND TRANSMISSION METHOD AND LAMP SYSTEM USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/830612 [patent_app_country] => US [patent_app_date] => 2024-09-11 [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] => -6 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18830612 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/830612
Lamp control signal conversion and transmission method and lamp system using the same Sep 10, 2024 Issued
Array ( [id] => 20581499 [patent_doc_number] => 12573755 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Dual-band dipole antenna and electronic device [patent_app_type] => utility [patent_app_number] => 18/829851 [patent_app_country] => US [patent_app_date] => 2024-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 1035 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18829851 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/829851
Dual-band dipole antenna and electronic device Sep 9, 2024 Issued
Array ( [id] => 20675173 [patent_doc_number] => 12615706 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Approach to increase LINAC operating range of linear accelerator [patent_app_type] => utility [patent_app_number] => 18/818022 [patent_app_country] => US [patent_app_date] => 2024-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [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] => 18818022 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/818022
Approach to increase LINAC operating range of linear accelerator Aug 27, 2024 Issued
Array ( [id] => 20775029 [patent_doc_number] => 12658715 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => High power generator and method of supplying high power pulses [patent_app_type] => utility [patent_app_number] => 18/817252 [patent_app_country] => US [patent_app_date] => 2024-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 4922 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18817252 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/817252
High power generator and method of supplying high power pulses Aug 27, 2024 Issued
Array ( [id] => 19646402 [patent_doc_number] => 20240420922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => HIGH POWER GENERATOR AND METHOD OF SUPPLYING HIGH POWER PULSES [patent_app_type] => utility [patent_app_number] => 18/814717 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18814717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/814717
HIGH POWER GENERATOR AND METHOD OF SUPPLYING HIGH POWER PULSES Aug 25, 2024 Pending
Array ( [id] => 20196733 [patent_doc_number] => 20250273443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => SUBSTRATE PROCESSING APPARATUS INCLUDING EDGE BIAS SUPPLY PORTION [patent_app_type] => utility [patent_app_number] => 18/807142 [patent_app_country] => US [patent_app_date] => 2024-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18807142 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/807142
SUBSTRATE PROCESSING APPARATUS INCLUDING EDGE BIAS SUPPLY PORTION Aug 15, 2024 Pending
Array ( [id] => 20803281 [patent_doc_number] => 12668173 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [patent_title] => Front headlamp control system and control method thereof [patent_app_type] => utility [patent_app_number] => 18/805906 [patent_app_country] => US [patent_app_date] => 2024-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 1409 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18805906 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/805906
Front headlamp control system and control method thereof Aug 14, 2024 Issued
Array ( [id] => 20596590 [patent_doc_number] => 12580316 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Multi-communication device antenna interface [patent_app_type] => utility [patent_app_number] => 18/806539 [patent_app_country] => US [patent_app_date] => 2024-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 24 [patent_no_of_words] => 9070 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18806539 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/806539
Multi-communication device antenna interface Aug 14, 2024 Issued
Array ( [id] => 20521573 [patent_doc_number] => 20260045682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => VEHICLE ANTENNA ASSEMBLY WITH EXPOSED GROUND PLANE [patent_app_type] => utility [patent_app_number] => 18/797632 [patent_app_country] => US [patent_app_date] => 2024-08-08 [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] => -17 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18797632 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/797632
VEHICLE ANTENNA ASSEMBLY WITH EXPOSED GROUND PLANE Aug 7, 2024 Pending
Array ( [id] => 19585841 [patent_doc_number] => 20240383398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => LIGHT DISTRIBUTION CONTROLLING DEVICE, VEHICLE POSITION DETECTING DEVICE, VEHICLE LAMP SYSTEM, LIGHT DISTRIBUTION CONTROLLING METHOD, AND VEHICLE POSITION DETECTING METHOD [patent_app_type] => utility [patent_app_number] => 18/788848 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15515 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18788848 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/788848
LIGHT DISTRIBUTION CONTROLLING DEVICE, VEHICLE POSITION DETECTING DEVICE, VEHICLE LAMP SYSTEM, LIGHT DISTRIBUTION CONTROLLING METHOD, AND VEHICLE POSITION DETECTING METHOD Jul 29, 2024 Pending
Array ( [id] => 19586857 [patent_doc_number] => 20240384414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => DEVICE AND METHODS FOR CHEMICAL VAPOR DEPOSITION [patent_app_type] => utility [patent_app_number] => 18/785151 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18785151 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/785151
DEVICE AND METHODS FOR CHEMICAL VAPOR DEPOSITION Jul 25, 2024 Pending
Array ( [id] => 20483913 [patent_doc_number] => 12532391 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Lighting apparatus [patent_app_type] => utility [patent_app_number] => 18/784557 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6844 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 417 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18784557 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/784557
Lighting apparatus Jul 24, 2024 Issued
Array ( [id] => 20040296 [patent_doc_number] => 20250178518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => VARIABLE LAMP SYSTEM FOR VEHICLES THAT REDUCES GLARE [patent_app_type] => utility [patent_app_number] => 18/776579 [patent_app_country] => US [patent_app_date] => 2024-07-18 [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] => -12 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18776579 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/776579
VARIABLE LAMP SYSTEM FOR VEHICLES THAT REDUCES GLARE Jul 17, 2024 Pending
Array ( [id] => 20472708 [patent_doc_number] => 20260014927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => VEHICLE LIGHTING CONTROL AND METHOD [patent_app_type] => utility [patent_app_number] => 18/772397 [patent_app_country] => US [patent_app_date] => 2024-07-15 [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] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772397 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772397
VEHICLE LIGHTING CONTROL AND METHOD Jul 14, 2024 Pending
Array ( [id] => 20276342 [patent_doc_number] => 12446131 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Load control device for a light-emitting diode light source [patent_app_type] => utility [patent_app_number] => 18/768471 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 12385 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18768471 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768471
Load control device for a light-emitting diode light source Jul 9, 2024 Issued
Array ( [id] => 20553066 [patent_doc_number] => 12563877 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Active control of light emitting diodes and light emitting diode displays [patent_app_type] => utility [patent_app_number] => 18/763646 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 52 [patent_figures_cnt] => 76 [patent_no_of_words] => 42098 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18763646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/763646
Active control of light emitting diodes and light emitting diode displays Jul 2, 2024 Issued
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