Search

Tom Y. Chang

Examiner (ID: 2342, Phone: (571)270-5938 , Office: P/2456 )

Most Active Art Unit
2456
Art Unit(s)
2455, 2442, 2456
Total Applications
500
Issued Applications
251
Pending Applications
42
Abandoned Applications
214

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11671259 [patent_doc_number] => 20170159980 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-08 [patent_title] => 'INTEGRATION OF DISTRIBUTED THERMOELECTRIC HEATING AND COOLING' [patent_app_type] => utility [patent_app_number] => 15/426733 [patent_app_country] => US [patent_app_date] => 2017-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 4116 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15426733 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/426733
Integration of distributed thermoelectric heating and cooling Feb 6, 2017 Issued
Array ( [id] => 11620786 [patent_doc_number] => 20170130973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-11 [patent_title] => 'ECONOMIZER TARGET TEMPERATURE SHIFT DURING MECHANICAL COOLING' [patent_app_type] => utility [patent_app_number] => 15/411105 [patent_app_country] => US [patent_app_date] => 2017-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2118 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15411105 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/411105
Economizer target temperature shift during mechanical cooling Jan 19, 2017 Issued
Array ( [id] => 17453891 [patent_doc_number] => 11268742 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Refrigerant charging tool and method [patent_app_type] => utility [patent_app_number] => 15/408493 [patent_app_country] => US [patent_app_date] => 2017-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 3670 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15408493 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/408493
Refrigerant charging tool and method Jan 17, 2017 Issued
Array ( [id] => 11605341 [patent_doc_number] => 20170122643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-04 [patent_title] => 'ICE MAKER WITH HEATLESS ICE REMOVAL AND METHOD FOR HEATLESS REMOVAL OF ICE' [patent_app_type] => utility [patent_app_number] => 15/404895 [patent_app_country] => US [patent_app_date] => 2017-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6616 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15404895 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/404895
Ice maker with heatless ice removal and method for heatless removal of ice Jan 11, 2017 Issued
Array ( [id] => 12907063 [patent_doc_number] => 20180194196 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => SYSTEMS AND METHODS UTILIZING HEAT PUMPS TO RECOVER THERMAL ENERGY FROM EXHAUST GAS [patent_app_type] => utility [patent_app_number] => 15/400487 [patent_app_country] => US [patent_app_date] => 2017-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 15400487 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/400487
SYSTEMS AND METHODS UTILIZING HEAT PUMPS TO RECOVER THERMAL ENERGY FROM EXHAUST GAS Jan 5, 2017 Abandoned
Array ( [id] => 13889495 [patent_doc_number] => 10197294 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-05 [patent_title] => Foam substructure for a heat exchanger [patent_app_type] => utility [patent_app_number] => 15/398605 [patent_app_country] => US [patent_app_date] => 2017-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 6878 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15398605 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/398605
Foam substructure for a heat exchanger Jan 3, 2017 Issued
Array ( [id] => 12888256 [patent_doc_number] => 20180187927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-05 [patent_title] => SYSTEM AND METHOD FOR REUSING WASTE HEAT OF A TRANSCRITICAL REFRIGERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 15/397253 [patent_app_country] => US [patent_app_date] => 2017-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15397253 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/397253
SYSTEM AND METHOD FOR REUSING WASTE HEAT OF A TRANSCRITICAL REFRIGERATION SYSTEM Jan 2, 2017 Abandoned
Array ( [id] => 11496893 [patent_doc_number] => 20170071077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-09 [patent_title] => 'Evaporative Induction Cooling System For A Data Center' [patent_app_type] => utility [patent_app_number] => 15/357948 [patent_app_country] => US [patent_app_date] => 2016-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 12369 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15357948 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/357948
Evaporative induction cooling system for a data center Nov 20, 2016 Issued
Array ( [id] => 15852527 [patent_doc_number] => 10641537 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-05 [patent_title] => Ice making system for refrigerator appliance [patent_app_type] => utility [patent_app_number] => 15/347854 [patent_app_country] => US [patent_app_date] => 2016-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4219 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15347854 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/347854
Ice making system for refrigerator appliance Nov 9, 2016 Issued
Array ( [id] => 13592597 [patent_doc_number] => 20180347847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => AIR CONDITIONER [patent_app_type] => utility [patent_app_number] => 15/771762 [patent_app_country] => US [patent_app_date] => 2016-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5106 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 15771762 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/771762
AIR CONDITIONER Oct 26, 2016 Abandoned
Array ( [id] => 16461766 [patent_doc_number] => 10845107 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-24 [patent_title] => Variable speed compressor based AC system and control method [patent_app_type] => utility [patent_app_number] => 16/344008 [patent_app_country] => US [patent_app_date] => 2016-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3807 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16344008 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/344008
Variable speed compressor based AC system and control method Oct 24, 2016 Issued
Array ( [id] => 13873277 [patent_doc_number] => 20190032979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => REFRIGERATION CYCLE DEVICE [patent_app_type] => utility [patent_app_number] => 16/082297 [patent_app_country] => US [patent_app_date] => 2016-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16082297 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/082297
Refrigeration cycle device Oct 20, 2016 Issued
Array ( [id] => 11569610 [patent_doc_number] => 20170108254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'HYBRID VAPOR COMPRESSION/THERMOELECTRIC HEAT TRANSPORT SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/293622 [patent_app_country] => US [patent_app_date] => 2016-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5771 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15293622 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/293622
Hybrid vapor compression/thermoelectric heat transport system Oct 13, 2016 Issued
Array ( [id] => 16697613 [patent_doc_number] => 10948201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Outdoor unit for air-conditioning apparatus [patent_app_type] => utility [patent_app_number] => 16/314065 [patent_app_country] => US [patent_app_date] => 2016-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3631 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16314065 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/314065
Outdoor unit for air-conditioning apparatus Oct 4, 2016 Issued
Array ( [id] => 11988615 [patent_doc_number] => 20170292770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-12 [patent_title] => 'REFRIGERATION SYSTEM WITH FLUID DEFROST' [patent_app_type] => utility [patent_app_number] => 15/283809 [patent_app_country] => US [patent_app_date] => 2016-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5933 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15283809 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/283809
REFRIGERATION SYSTEM WITH FLUID DEFROST Oct 2, 2016 Abandoned
Array ( [id] => 14795205 [patent_doc_number] => 10400599 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-03 [patent_title] => Expander and air refrigeration device with the same [patent_app_type] => utility [patent_app_number] => 15/284160 [patent_app_country] => US [patent_app_date] => 2016-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 24 [patent_no_of_words] => 16871 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15284160 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/284160
Expander and air refrigeration device with the same Oct 2, 2016 Issued
Array ( [id] => 14663957 [patent_doc_number] => 10369863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-06 [patent_title] => Refrigerant liquid-gas separator with electronics cooling [patent_app_type] => utility [patent_app_number] => 15/283150 [patent_app_country] => US [patent_app_date] => 2016-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 7545 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15283150 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/283150
Refrigerant liquid-gas separator with electronics cooling Sep 29, 2016 Issued
Array ( [id] => 11382318 [patent_doc_number] => 20170008374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-12 [patent_title] => 'SYSTEM AND METHOD FOR STORING THERMAL ENERGY AS AUXILIARY POWER IN A VEHICLE' [patent_app_type] => utility [patent_app_number] => 15/272361 [patent_app_country] => US [patent_app_date] => 2016-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10221 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15272361 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/272361
SYSTEM AND METHOD FOR STORING THERMAL ENERGY AS AUXILIARY POWER IN A VEHICLE Sep 20, 2016 Abandoned
Array ( [id] => 15269597 [patent_doc_number] => 20190383532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => AIR-CONDITIONING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/313941 [patent_app_country] => US [patent_app_date] => 2016-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14774 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16313941 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/313941
Air-conditioning apparatus Sep 11, 2016 Issued
Array ( [id] => 16650911 [patent_doc_number] => 10928081 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Dehumidifier [patent_app_type] => utility [patent_app_number] => 15/760602 [patent_app_country] => US [patent_app_date] => 2016-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5430 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15760602 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/760602
Dehumidifier Sep 11, 2016 Issued
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