Search

April Ying Shan Blair

Supervisory Patent Examiner (ID: 16194, Phone: (571)270-1014 , Office: P/2117 )

Most Active Art Unit
2492
Art Unit(s)
2111, 2191, 2492, 2196, 2435, 2135, 2117, 2187
Total Applications
338
Issued Applications
248
Pending Applications
18
Abandoned Applications
74

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19966535 [patent_doc_number] => 12336069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Constant-current switch-mode power converters for LED lighting and methods thereof [patent_app_type] => utility [patent_app_number] => 18/222417 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4758 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18222417 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/222417
Constant-current switch-mode power converters for LED lighting and methods thereof Jul 13, 2023 Issued
Array ( [id] => 20429499 [patent_doc_number] => 20250391592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => Resistor Assembly [patent_app_type] => utility [patent_app_number] => 18/881752 [patent_app_country] => US [patent_app_date] => 2023-07-10 [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] => -15 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18881752 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/881752
Resistor Assembly Jul 9, 2023 Pending
Array ( [id] => 18739178 [patent_doc_number] => 20230348098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => SYSTEMS AND METHODS TO COMBINE TAXI AND LANDING LIGHTS FOR AN AIRCRAFT IN THE SAME HOUSING AS A CAMERA [patent_app_type] => utility [patent_app_number] => 18/340731 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6187 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18340731 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340731
Systems and methods to combine taxi and landing lights for an aircraft in the same housing as a camera Jun 22, 2023 Issued
Array ( [id] => 20162854 [patent_doc_number] => 12389510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Automatic configuration of a load control system [patent_app_type] => utility [patent_app_number] => 18/340207 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3493 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18340207 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340207
Automatic configuration of a load control system Jun 22, 2023 Issued
Array ( [id] => 18731286 [patent_doc_number] => 20230345594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => CONTROL DEVICE HAVING BUTTONS WITH AUTOMATICALLY ADJUSTABLE BACKLIGHTING [patent_app_type] => utility [patent_app_number] => 18/340137 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8151 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18340137 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340137
Control device having buttons with automatically adjustable backlighting Jun 22, 2023 Issued
Array ( [id] => 19648352 [patent_doc_number] => 20240422872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => Controlling Energy Efficiency in LED Drive Circuits [patent_app_type] => utility [patent_app_number] => 18/211229 [patent_app_country] => US [patent_app_date] => 2023-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14723 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18211229 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/211229
Controlling energy efficiency in LED drive circuits Jun 15, 2023 Issued
Array ( [id] => 20082424 [patent_doc_number] => 12356520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Lighting apparatus [patent_app_type] => utility [patent_app_number] => 18/210040 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18210040 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/210040
Lighting apparatus Jun 13, 2023 Issued
Array ( [id] => 19767333 [patent_doc_number] => 12225648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Systems and methods for a music feature file and coordinated light show [patent_app_type] => utility [patent_app_number] => 18/332234 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 9823 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18332234 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332234
Systems and methods for a music feature file and coordinated light show Jun 8, 2023 Issued
Array ( [id] => 19621388 [patent_doc_number] => 20240407068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => ENERGY-EFFICIENT CONTROL OF INDICATOR LIGHTING [patent_app_type] => utility [patent_app_number] => 18/331354 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3597 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18331354 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/331354
Energy-efficient control of indicator lighting Jun 7, 2023 Issued
Array ( [id] => 19095392 [patent_doc_number] => 11956874 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Wearable device with integrated flashlight [patent_app_type] => utility [patent_app_number] => 18/329724 [patent_app_country] => US [patent_app_date] => 2023-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 10055 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18329724 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/329724
Wearable device with integrated flashlight Jun 5, 2023 Issued
Array ( [id] => 18662078 [patent_doc_number] => 20230308095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => METHOD OF TUNING LIGHT COLOR TEMPERATURE FOR LED LIGHTING DEVICE AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/325085 [patent_app_country] => US [patent_app_date] => 2023-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 1033 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325085 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325085
Method of tuning light color temperature for LED lighting device and application thereof May 28, 2023 Issued
Array ( [id] => 18662077 [patent_doc_number] => 20230308094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => METHOD OF TUNING LIGHT COLOR TEMPERATURE FOR LED LIGHTING DEVICE AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/325084 [patent_app_country] => US [patent_app_date] => 2023-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27344 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 1045 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325084 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325084
Method of tuning light color temperature for LED lighting device and application thereof May 28, 2023 Issued
Array ( [id] => 20245799 [patent_doc_number] => 12426142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Intelligent human centric lighting system with ambient light monitoring of lighting site environment [patent_app_type] => utility [patent_app_number] => 18/320005 [patent_app_country] => US [patent_app_date] => 2023-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 17587 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 369 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18320005 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/320005
Intelligent human centric lighting system with ambient light monitoring of lighting site environment May 17, 2023 Issued
Array ( [id] => 20252682 [patent_doc_number] => 20250301551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => WARNING LIGHT SYSTEM AND LIGHT-SHAPING MODULE [patent_app_type] => utility [patent_app_number] => 18/864359 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11327 [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] => 18864359 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/864359
WARNING LIGHT SYSTEM AND LIGHT-SHAPING MODULE May 9, 2023 Pending
Array ( [id] => 19461321 [patent_doc_number] => 12101854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Control a dimming level of an illumination load by a dimmer device [patent_app_type] => utility [patent_app_number] => 18/195799 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 6121 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18195799 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/195799
Control a dimming level of an illumination load by a dimmer device May 9, 2023 Issued
Array ( [id] => 18835252 [patent_doc_number] => 20230403779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => SYSTEM, DEVICES AND METHODS FOR ELECTRON BEAM FOR PLASMA HEATING [patent_app_type] => utility [patent_app_number] => 18/144527 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19068 [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] => 18144527 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144527
SYSTEM, DEVICES AND METHODS FOR ELECTRON BEAM FOR PLASMA HEATING May 7, 2023 Pending
Array ( [id] => 18600777 [patent_doc_number] => 20230275580 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => METHOD OF TUNING LIGHT COLOR TEMPERATURE FOR LED LIGHTING DEVICE AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/144034 [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] => 26035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 875 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18144034 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144034
Method of tuning light color temperature for LED lighting device and application thereof May 4, 2023 Issued
Array ( [id] => 18600775 [patent_doc_number] => 20230275578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => METHOD OF TUNING LIGHT COLOR TEMPERATURE FOR LED LIGHTING DEVICE AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/143718 [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] => 26035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 1012 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143718
Method of tuning light color temperature for LED lighting device and application thereof May 4, 2023 Issued
Array ( [id] => 18600776 [patent_doc_number] => 20230275579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => METHOD OF TUNING LIGHT COLOR TEMPERATURE FOR LED LIGHTING DEVICE AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/143997 [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] => 26035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 1363 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143997 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143997
Method of tuning light color temperature for LED lighting device and application thereof May 4, 2023 Issued
Array ( [id] => 18662076 [patent_doc_number] => 20230308093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => METHOD OF TUNING LIGHT COLOR TEMPERATURE FOR LED LIGHTING DEVICE AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/143703 [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] => 26695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -38 [patent_words_short_claim] => 959 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143703
Method of tuning light color temperature for LED lighting device and application thereof May 4, 2023 Issued
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