Search

Daniel D. Chang

Examiner (ID: 509, Phone: (571)272-1801 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
0, 2819, 2845, 2844
Total Applications
2559
Issued Applications
2335
Pending Applications
103
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19565575 [patent_doc_number] => 12140340 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-12 [patent_title] => Power system with phase change material [patent_app_type] => utility [patent_app_number] => 18/781543 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 8418 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18781543 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/781543
Power system with phase change material Jul 22, 2024 Issued
Array ( [id] => 19565576 [patent_doc_number] => 12140341 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-12 [patent_title] => Solar photovoltaic system with water/ethylene glycol phase change material [patent_app_type] => utility [patent_app_number] => 18/781698 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 8418 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18781698 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/781698
Solar photovoltaic system with water/ethylene glycol phase change material Jul 22, 2024 Issued
Array ( [id] => 19746788 [patent_doc_number] => 20250035353 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => SYSTEMS AND METHODS FOR HEAT PUMP SYSTEMS FOR CHARGE MANAGEMENT [patent_app_type] => utility [patent_app_number] => 18/779988 [patent_app_country] => US [patent_app_date] => 2024-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4630 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18779988 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/779988
SYSTEMS AND METHODS FOR HEAT PUMP SYSTEMS FOR CHARGE MANAGEMENT Jul 21, 2024 Pending
Array ( [id] => 19572790 [patent_doc_number] => 20240377082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => VACUUM COOLING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/779615 [patent_app_country] => US [patent_app_date] => 2024-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18779615 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/779615
VACUUM COOLING SYSTEM AND METHOD Jul 21, 2024 Pending
Array ( [id] => 20233328 [patent_doc_number] => 20250290647 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => DEHUMIDIFIER [patent_app_type] => utility [patent_app_number] => 18/772404 [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] => -15 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772404 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772404
DEHUMIDIFIER Jul 14, 2024 Pending
Array ( [id] => 19529219 [patent_doc_number] => 20240353121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => CEILING-TYPE AIR CONDITIONER [patent_app_type] => utility [patent_app_number] => 18/761964 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761964 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761964
CEILING-TYPE AIR CONDITIONER Jul 1, 2024 Pending
Array ( [id] => 20446005 [patent_doc_number] => 20260002723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => REFRIGERATOR APPLIANCE POST-COOL FAN OPERATION [patent_app_type] => utility [patent_app_number] => 18/761010 [patent_app_country] => US [patent_app_date] => 2024-07-01 [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] => -16 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761010 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761010
REFRIGERATOR APPLIANCE POST-COOL FAN OPERATION Jun 30, 2024 Pending
Array ( [id] => 19710230 [patent_doc_number] => 20250020372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => SORPTION HEAT PUMP AND SORPTION CYCLE [patent_app_type] => utility [patent_app_number] => 18/759917 [patent_app_country] => US [patent_app_date] => 2024-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18759917 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/759917
SORPTION HEAT PUMP AND SORPTION CYCLE Jun 29, 2024 Pending
Array ( [id] => 19683605 [patent_doc_number] => 20250002150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => PASSIVE COOLING UNIT FOR COOLING FOOD, FOOD STORAGE CONTAINER COMPRISING THE PASSIVE COOLING UNIT, AND AIRCRAFT COMPRISING A GALLEY AND AT LEAST ONE SUCH FOOD STORAGE CONTAINER [patent_app_type] => utility [patent_app_number] => 18/758343 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8087 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18758343 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/758343
PASSIVE COOLING UNIT FOR COOLING FOOD, FOOD STORAGE CONTAINER COMPRISING THE PASSIVE COOLING UNIT, AND AIRCRAFT COMPRISING A GALLEY AND AT LEAST ONE SUCH FOOD STORAGE CONTAINER Jun 27, 2024 Pending
Array ( [id] => 20446002 [patent_doc_number] => 20260002720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => ICE MAKING ASSEMBLY VERTICAL DETECTION ARM [patent_app_type] => utility [patent_app_number] => 18/756697 [patent_app_country] => US [patent_app_date] => 2024-06-27 [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] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18756697 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/756697
ICE MAKING ASSEMBLY VERTICAL DETECTION ARM Jun 26, 2024 Pending
Array ( [id] => 19498377 [patent_doc_number] => 20240337395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => Ductwork System for Modulating Conditioned Air [patent_app_type] => utility [patent_app_number] => 18/748632 [patent_app_country] => US [patent_app_date] => 2024-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6196 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18748632 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/748632
Ductwork System for Modulating Conditioned Air Jun 19, 2024 Pending
Array ( [id] => 20411274 [patent_doc_number] => 20250380384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => QUICK-LOADING CRYOGENIC COOLING SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/737033 [patent_app_country] => US [patent_app_date] => 2024-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18737033 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/737033
QUICK-LOADING CRYOGENIC COOLING SYSTEMS Jun 6, 2024 Pending
Array ( [id] => 20387267 [patent_doc_number] => 12486990 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Solar heating for refrigeration and fluid heating devices [patent_app_type] => utility [patent_app_number] => 18/732376 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 6254 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18732376 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/732376
Solar heating for refrigeration and fluid heating devices Jun 2, 2024 Issued
Array ( [id] => 19403234 [patent_doc_number] => 20240286745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => ENERGY FLOW OF AN ADVANCED ENVIRONMENTAL CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/659390 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10262 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18659390 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659390
ENERGY FLOW OF AN ADVANCED ENVIRONMENTAL CONTROL SYSTEM May 8, 2024 Pending
Array ( [id] => 19404703 [patent_doc_number] => 20240288214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => DEVICE AND METHOD FOR PROVIDING A THERMALLY CONDUCTIVE COUPLING [patent_app_type] => utility [patent_app_number] => 18/658619 [patent_app_country] => US [patent_app_date] => 2024-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18658619 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/658619
DEVICE AND METHOD FOR PROVIDING A THERMALLY CONDUCTIVE COUPLING May 7, 2024 Pending
Array ( [id] => 20069591 [patent_doc_number] => 20250207813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => SILENT STRUCTURE AND MOBILE AIR CONDITIONER [patent_app_type] => utility [patent_app_number] => 18/657859 [patent_app_country] => US [patent_app_date] => 2024-05-08 [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] => -9 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18657859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/657859
SILENT STRUCTURE AND MOBILE AIR CONDITIONER May 7, 2024 Pending
Array ( [id] => 20049184 [patent_doc_number] => 20250187406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => HEAT PUMP SYSTEM FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 18/656179 [patent_app_country] => US [patent_app_date] => 2024-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1097 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18656179 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/656179
HEAT PUMP SYSTEM FOR A VEHICLE May 5, 2024 Pending
Array ( [id] => 20743487 [patent_doc_number] => 12643375 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-02 [patent_title] => Heat pump system for a vehicle [patent_app_type] => utility [patent_app_number] => 18/652453 [patent_app_country] => US [patent_app_date] => 2024-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4266 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18652453 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/652453
Heat pump system for a vehicle Apr 30, 2024 Issued
Array ( [id] => 19358754 [patent_doc_number] => 20240260788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => INSULATED CONTAINER ASSEMBLY WITH THERMAL STORAGE ACCOMMODATION [patent_app_type] => utility [patent_app_number] => 18/640648 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14189 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 623 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18640648 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/640648
INSULATED CONTAINER ASSEMBLY WITH THERMAL STORAGE ACCOMMODATION Apr 18, 2024 Pending
Array ( [id] => 19526009 [patent_doc_number] => 20240349911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => REFRIGERATED DISPLAY CABINET [patent_app_type] => utility [patent_app_number] => 18/639134 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6310 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18639134 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/639134
REFRIGERATED DISPLAY CABINET Apr 17, 2024 Pending
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