
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 17444984
[patent_doc_number] => 20220065489
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-03-03
[patent_title] => VARIABLE SPEED AIR CONDITIONER FOR ENCLOSURE COOLING
[patent_app_type] => utility
[patent_app_number] => 17/395836
[patent_app_country] => US
[patent_app_date] => 2021-08-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4696
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[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] => 17395836
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/395836 | Variable speed air conditioner for enclosure cooling | Aug 5, 2021 | Issued |
Array
(
[id] => 17244439
[patent_doc_number] => 20210364182
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-11-25
[patent_title] => ENVIRONMENT ADJUSTMENT SYSTEM, ENVIRONMENT ADJUSTMENT METHOD AND COMPUTER READABLE MEDIUM
[patent_app_type] => utility
[patent_app_number] => 17/393510
[patent_app_country] => US
[patent_app_date] => 2021-08-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6401
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[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] => 17393510
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/393510 | ENVIRONMENT ADJUSTMENT SYSTEM, ENVIRONMENT ADJUSTMENT METHOD AND COMPUTER READABLE MEDIUM | Aug 3, 2021 | Abandoned |
Array
(
[id] => 17244442
[patent_doc_number] => 20210364185
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-11-25
[patent_title] => AIR CONDITIONER, DATA TRANSMISSION METHOD, AND AIR CONDITIONING SYSTEM
[patent_app_type] => utility
[patent_app_number] => 17/383640
[patent_app_country] => US
[patent_app_date] => 2021-07-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11428
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -4
[patent_words_short_claim] => 182
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17383640
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/383640 | Air conditioner, data transmission method, and air conditioning system | Jul 22, 2021 | Issued |
Array
(
[id] => 17215457
[patent_doc_number] => 20210348795
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-11-11
[patent_title] => AIR CONDITIONER, DATA TRANSMISSION METHOD, AND AIR CONDITIONING SYSTEM
[patent_app_type] => utility
[patent_app_number] => 17/383795
[patent_app_country] => US
[patent_app_date] => 2021-07-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11438
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -4
[patent_words_short_claim] => 200
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17383795
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/383795 | Air conditioner, data transmission method, and air conditioning system | Jul 22, 2021 | Issued |
Array
(
[id] => 18650443
[patent_doc_number] => 20230296276
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-09-21
[patent_title] => CLOUD-BASED HVAC&R CONTROL SYSTEMS AND METHODS
[patent_app_type] => utility
[patent_app_number] => 18/014714
[patent_app_country] => US
[patent_app_date] => 2021-07-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9327
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 137
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18014714
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/014714 | CLOUD-BASED HVAC&R CONTROL SYSTEMS AND METHODS | Jul 5, 2021 | Pending |
Array
(
[id] => 18650443
[patent_doc_number] => 20230296276
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-09-21
[patent_title] => CLOUD-BASED HVAC&R CONTROL SYSTEMS AND METHODS
[patent_app_type] => utility
[patent_app_number] => 18/014714
[patent_app_country] => US
[patent_app_date] => 2021-07-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9327
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 137
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18014714
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/014714 | CLOUD-BASED HVAC&R CONTROL SYSTEMS AND METHODS | Jul 5, 2021 | Pending |
Array
(
[id] => 20187801
[patent_doc_number] => 12398909
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-08-26
[patent_title] => Dynamic air supply system in a clean room and a method for providing dynamic air flow
[patent_app_type] => utility
[patent_app_number] => 18/002024
[patent_app_country] => US
[patent_app_date] => 2021-06-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 0
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 112
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18002024
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/002024 | Dynamic air supply system in a clean room and a method for providing dynamic air flow | Jun 13, 2021 | Issued |
Array
(
[id] => 20187801
[patent_doc_number] => 12398909
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-08-26
[patent_title] => Dynamic air supply system in a clean room and a method for providing dynamic air flow
[patent_app_type] => utility
[patent_app_number] => 18/002024
[patent_app_country] => US
[patent_app_date] => 2021-06-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 0
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 112
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18002024
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/002024 | Dynamic air supply system in a clean room and a method for providing dynamic air flow | Jun 13, 2021 | Issued |
Array
(
[id] => 19539755
[patent_doc_number] => 12132315
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-10-29
[patent_title] => Parameter design method for series passive impedance adapter applicable to voltage source converter based high voltage direct current (VSC-HVDC) transmission system
[patent_app_type] => utility
[patent_app_number] => 17/798078
[patent_app_country] => US
[patent_app_date] => 2021-06-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 8
[patent_no_of_words] => 4859
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 569
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17798078
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/798078 | Parameter design method for series passive impedance adapter applicable to voltage source converter based high voltage direct current (VSC-HVDC) transmission system | Jun 5, 2021 | Issued |
Array
(
[id] => 18498328
[patent_doc_number] => 20230221033
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-07-13
[patent_title] => Determining Rotation Using Sensor Displaced from Magnet
[patent_app_type] => utility
[patent_app_number] => 18/000481
[patent_app_country] => US
[patent_app_date] => 2021-06-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 14637
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 119
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18000481
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/000481 | Determining Rotation Using Sensor Displaced from Magnet | Jun 3, 2021 | Pending |
Array
(
[id] => 18872800
[patent_doc_number] => 11860603
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-01-02
[patent_title] => System and method for enhancing manufacturing efficiency via operator activity detection
[patent_app_type] => utility
[patent_app_number] => 17/335363
[patent_app_country] => US
[patent_app_date] => 2021-06-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 3856
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[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] => 17335363
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/335363 | System and method for enhancing manufacturing efficiency via operator activity detection | May 31, 2021 | Issued |
Array
(
[id] => 18686042
[patent_doc_number] => 11781768
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-10-10
[patent_title] => Time-based and sound-based diagnostics for a heating, ventilation, and air conditioning burner assembly
[patent_app_type] => utility
[patent_app_number] => 17/333416
[patent_app_country] => US
[patent_app_date] => 2021-05-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 11986
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 345
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17333416
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/333416 | Time-based and sound-based diagnostics for a heating, ventilation, and air conditioning burner assembly | May 27, 2021 | Issued |
Array
(
[id] => 19038274
[patent_doc_number] => 20240088089
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-14
[patent_title] => WIRE BONDING DEVICE, MAINTENANCE METHOD AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM RECORDING PROGRAM
[patent_app_type] => utility
[patent_app_number] => 17/911655
[patent_app_country] => US
[patent_app_date] => 2021-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3161
[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] => 17911655
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/911655 | WIRE BONDING DEVICE, MAINTENANCE METHOD AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM RECORDING PROGRAM | May 23, 2021 | Pending |
Array
(
[id] => 17230383
[patent_doc_number] => 20210356940
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-11-18
[patent_title] => DETERMINING A LASER-ENGRAVING PROCESS FOR A TARGETED SURFACE GEOMETRY
[patent_app_type] => utility
[patent_app_number] => 17/317622
[patent_app_country] => US
[patent_app_date] => 2021-05-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7769
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 106
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17317622
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/317622 | DETERMINING A LASER-ENGRAVING PROCESS FOR A TARGETED SURFACE GEOMETRY | May 10, 2021 | Abandoned |
Array
(
[id] => 18243399
[patent_doc_number] => 20230075710
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-03-09
[patent_title] => METHOD OF DUST SUPPRESSION FOR CRUSHERS WITH SPRAYING DEVICES
[patent_app_type] => utility
[patent_app_number] => 17/800041
[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] => 4065
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 69
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17800041
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/800041 | METHOD OF DUST SUPPRESSION FOR CRUSHERS WITH SPRAYING DEVICES | May 9, 2021 | Pending |
Array
(
[id] => 19035231
[patent_doc_number] => 20240085046
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-14
[patent_title] => AIR-CONDITIONING SYSTEM AND CONTROL DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/261167
[patent_app_country] => US
[patent_app_date] => 2021-03-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10340
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -6
[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] => 18261167
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/261167 | AIR-CONDITIONING SYSTEM AND CONTROL DEVICE | Mar 30, 2021 | Pending |
Array
(
[id] => 17898868
[patent_doc_number] => 20220308530
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-09-29
[patent_title] => System for Performing a Task According to a Reference Trajectory
[patent_app_type] => utility
[patent_app_number] => 17/215582
[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] => 9296
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[patent_words_short_claim] => 409
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17215582
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/215582 | System for performing a task according to a reference trajectory | Mar 28, 2021 | Issued |
Array
(
[id] => 18390386
[patent_doc_number] => 20230158604
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-05-25
[patent_title] => LASER PROCESSING APPARATUS AND RELATIONSHIP DETERMINATION METHOD
[patent_app_type] => utility
[patent_app_number] => 17/761221
[patent_app_country] => US
[patent_app_date] => 2021-03-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5764
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -11
[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] => 17761221
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/761221 | LASER PROCESSING APPARATUS AND RELATIONSHIP DETERMINATION METHOD | Mar 3, 2021 | Abandoned |
Array
(
[id] => 18967842
[patent_doc_number] => 11901630
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2024-02-13
[patent_title] => Confocal phased array fed reflector antenna beam stabilization
[patent_app_type] => utility
[patent_app_number] => 17/176563
[patent_app_country] => US
[patent_app_date] => 2021-02-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 9156
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 137
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17176563
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/176563 | Confocal phased array fed reflector antenna beam stabilization | Feb 15, 2021 | Issued |
Array
(
[id] => 16847850
[patent_doc_number] => 20210148595
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-05-20
[patent_title] => AUTOMATIC CHANGEOVER MODE IN AN HVAC CONTROLLER WITH REVERSIBLE DEADBAND ENFORCEMENT
[patent_app_type] => utility
[patent_app_number] => 17/162854
[patent_app_country] => US
[patent_app_date] => 2021-01-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 22810
[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] => 17162854
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/162854 | Automatic changeover mode in an HVAC controller with reversible deadband enforcement | Jan 28, 2021 | Issued |