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] => 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
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