Search

Vincent Wen-liang Chang

Examiner (ID: 12239, Phone: (571)270-1214 , Office: P/2116 )

Most Active Art Unit
2119
Art Unit(s)
2127, 2119, 2115, 2116
Total Applications
468
Issued Applications
340
Pending Applications
36
Abandoned Applications
108

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19884862 [patent_doc_number] => 12270562 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Air conditioning management system [patent_app_type] => utility [patent_app_number] => 18/126173 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4018 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126173 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/126173
Air conditioning management system Mar 23, 2023 Issued
Array ( [id] => 18469953 [patent_doc_number] => 20230204238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => AIR CONDITIONER [patent_app_type] => utility [patent_app_number] => 18/115416 [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] => 5541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18115416 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/115416
Air conditioner Feb 27, 2023 Issued
Array ( [id] => 18568015 [patent_doc_number] => 20230258350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => METHOD FOR DETECTING REFRIGERANT LEAKAGE, AIR CONDITIONER, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/113499 [patent_app_country] => US [patent_app_date] => 2023-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12693 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18113499 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/113499
METHOD FOR DETECTING REFRIGERANT LEAKAGE, AIR CONDITIONER, AND STORAGE MEDIUM Feb 22, 2023 Issued
Array ( [id] => 18911038 [patent_doc_number] => 11874013 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-16 [patent_title] => AI-based total energy management system for high energy efficiency of logistics center [patent_app_type] => utility [patent_app_number] => 18/107419 [patent_app_country] => US [patent_app_date] => 2023-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9262 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18107419 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/107419
AI-based total energy management system for high energy efficiency of logistics center Feb 7, 2023 Issued
Array ( [id] => 19572794 [patent_doc_number] => 20240377086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => INDOOR AIR QUALITY MANAGEMENT APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 18/179647 [patent_app_country] => US [patent_app_date] => 2023-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9707 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18179647 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/179647
INDOOR AIR QUALITY MANAGEMENT APPARATUS AND METHOD Jan 25, 2023 Pending
Array ( [id] => 18470873 [patent_doc_number] => 20230205159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => APPARATUS AND METHOD FOR PROVIDING A CLOUD CONTROLLED, GRID OPTIMIZING SELECTIVE FILTERED FRESH AIR SOURCE USING EXISTING OR NEW DUCTING [patent_app_type] => utility [patent_app_number] => 18/097027 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12856 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18097027 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/097027
Apparatus and method for providing a cloud controlled, grid optimizing selective filtered fresh air source using existing or new ducting Jan 12, 2023 Issued
Array ( [id] => 19522590 [patent_doc_number] => 12124313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Information processing apparatus, control method therefor, and storage medium [patent_app_type] => utility [patent_app_number] => 18/148599 [patent_app_country] => US [patent_app_date] => 2022-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5152 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18148599 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/148599
Information processing apparatus, control method therefor, and storage medium Dec 29, 2022 Issued
Array ( [id] => 19246589 [patent_doc_number] => 20240197573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => Latching Systems and Methods [patent_app_type] => utility [patent_app_number] => 18/081667 [patent_app_country] => US [patent_app_date] => 2022-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18081667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/081667
Latching systems and methods Dec 13, 2022 Issued
Array ( [id] => 18312973 [patent_doc_number] => 20230116873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => METHOD TO CONTROL CLEANROOM CONDITIONS [patent_app_type] => utility [patent_app_number] => 18/062443 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18062443 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/062443
METHOD TO CONTROL CLEANROOM CONDITIONS Dec 5, 2022 Pending
Array ( [id] => 18307840 [patent_doc_number] => 20230111740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Smart Functionality for Discrete Field Devices and Signals [patent_app_type] => utility [patent_app_number] => 18/076088 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28990 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -50 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18076088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/076088
Smart functionality for discrete field devices and signals Dec 5, 2022 Issued
Array ( [id] => 18307840 [patent_doc_number] => 20230111740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Smart Functionality for Discrete Field Devices and Signals [patent_app_type] => utility [patent_app_number] => 18/076088 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28990 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -50 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18076088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/076088
Smart functionality for discrete field devices and signals Dec 5, 2022 Issued
Array ( [id] => 19068253 [patent_doc_number] => 20240102679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => APPARATUSES, COMPUTER-IMPLEMENTED METHODS, AND COMPUTER PROGRAM PRODUCTS FOR BUILDING AUTOMATION BASED ON ENVIRONMENT INFERENCES [patent_app_type] => utility [patent_app_number] => 18/060107 [patent_app_country] => US [patent_app_date] => 2022-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14915 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18060107 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/060107
APPARATUSES, COMPUTER-IMPLEMENTED METHODS, AND COMPUTER PROGRAM PRODUCTS FOR BUILDING AUTOMATION BASED ON ENVIRONMENT INFERENCES Nov 29, 2022 Pending
Array ( [id] => 18406646 [patent_doc_number] => 20230167997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => AIR-QUALITY MONITORING DRIVEN BUILDING SYSTEM CONTROL [patent_app_type] => utility [patent_app_number] => 18/072480 [patent_app_country] => US [patent_app_date] => 2022-11-30 [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] => -17 [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] => 18072480 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/072480
AIR-QUALITY MONITORING DRIVEN BUILDING SYSTEM CONTROL Nov 29, 2022 Pending
Array ( [id] => 18392376 [patent_doc_number] => 20230160595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => Method and system for controlling air quality in an indoor environment of a building [patent_app_type] => utility [patent_app_number] => 17/988828 [patent_app_country] => US [patent_app_date] => 2022-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5736 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17988828 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/988828
Method and system for controlling air quality in an indoor environment of a building Nov 16, 2022 Abandoned
Array ( [id] => 18972947 [patent_doc_number] => 20240053039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => CONSTANT TEMPERATURE SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/977004 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17977004 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/977004
Constant temperature systems Oct 30, 2022 Issued
Array ( [id] => 18179936 [patent_doc_number] => 20230040665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => AIR-CONDITIONING OPERATION TERMINAL, COMPUTER-READABLE MEDIUM AND AIR-CONDITIONING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/968036 [patent_app_country] => US [patent_app_date] => 2022-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17968036 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/968036
Air-conditioning operation terminal, computer-readable medium and air-conditioning system Oct 17, 2022 Issued
Array ( [id] => 18802779 [patent_doc_number] => 11835936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Multi-user computer-numerically-controlled machine [patent_app_type] => utility [patent_app_number] => 17/959024 [patent_app_country] => US [patent_app_date] => 2022-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 16514 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17959024 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/959024
Multi-user computer-numerically-controlled machine Oct 2, 2022 Issued
Array ( [id] => 18141211 [patent_doc_number] => 20230015053 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => LINKING SYSTEM AND LINKING CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 17/950146 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17950146 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/950146
Linking system and linking control method Sep 21, 2022 Issued
Array ( [id] => 18424976 [patent_doc_number] => 20230179441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => PLATFORM FOR THE INTEGRATION OF OPERATIONAL BIM, OPERATIONAL INTELLIGENCE, AND USER JOURNEYS FOR THE SIMPLIFIED AND UNIFIED MANAGEMENT OF SMART CITIES [patent_app_type] => utility [patent_app_number] => 17/939302 [patent_app_country] => US [patent_app_date] => 2022-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17939302 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/939302
PLATFORM FOR THE INTEGRATION OF OPERATIONAL BIM, OPERATIONAL INTELLIGENCE, AND USER JOURNEYS FOR THE SIMPLIFIED AND UNIFIED MANAGEMENT OF SMART CITIES Sep 6, 2022 Abandoned
Array ( [id] => 18226544 [patent_doc_number] => 20230065538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => NETWORK-CONNECTED APPARATUS PROMOTING ENVIRONMENTALLY RESPONSIBLE PROCESSING AND DISPOSITION OF ORGANIC MATTER DATA [patent_app_type] => utility [patent_app_number] => 17/897457 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31980 [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] => 17897457 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897457
NETWORK-CONNECTED APPARATUS PROMOTING ENVIRONMENTALLY RESPONSIBLE PROCESSING AND DISPOSITION OF ORGANIC MATTER DATA Aug 28, 2022 Pending
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