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] => 10375449 [patent_doc_number] => 20150260456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-17 [patent_title] => 'DRY AIR-WATER HEAT EXCHANGER' [patent_app_type] => utility [patent_app_number] => 14/205287 [patent_app_country] => US [patent_app_date] => 2014-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5619 [patent_no_of_claims] => 9 [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] => 14205287 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/205287
Dry air-water heat exchanger Mar 10, 2014 Issued
Array ( [id] => 11383973 [patent_doc_number] => 20170010030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-12 [patent_title] => 'AIR-CONDITIONING APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/120790 [patent_app_country] => US [patent_app_date] => 2014-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6338 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 15120790 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/120790
AIR-CONDITIONING APPARATUS Mar 6, 2014 Abandoned
Array ( [id] => 9724640 [patent_doc_number] => 20140260342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'SYSTEM FOR REFRIGERANT CHARGE VERIFICATION' [patent_app_type] => utility [patent_app_number] => 14/193568 [patent_app_country] => US [patent_app_date] => 2014-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6619 [patent_no_of_claims] => 22 [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] => 14193568 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/193568
System for refrigerant charge verification using two condenser coil temperatures Feb 27, 2014 Issued
Array ( [id] => 9681302 [patent_doc_number] => 20140238064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-28 [patent_title] => 'CONVERTIBLE AIRCRAFT GALLEY REFRIGERATOR/CHILLER WITH SIDE DOOR ACCESS' [patent_app_type] => utility [patent_app_number] => 14/185163 [patent_app_country] => US [patent_app_date] => 2014-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2166 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 14185163 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/185163
Convertible aircraft galley refrigerator/chiller with side door access Feb 19, 2014 Issued
Array ( [id] => 11415887 [patent_doc_number] => 09562705 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-07 [patent_title] => 'Energy recovery apparatus for use in a refrigeration system' [patent_app_type] => utility [patent_app_number] => 14/179899 [patent_app_country] => US [patent_app_date] => 2014-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5231 [patent_no_of_claims] => 20 [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] => 14179899 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/179899
Energy recovery apparatus for use in a refrigeration system Feb 12, 2014 Issued
Array ( [id] => 9652919 [patent_doc_number] => 20140223924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-14 [patent_title] => 'Integrated Cryogenic Fluid Delivery System' [patent_app_type] => utility [patent_app_number] => 14/177781 [patent_app_country] => US [patent_app_date] => 2014-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1407 [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] => 14177781 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/177781
Integrated cryogenic fluid delivery device with vaporizer having a conformal geometry Feb 10, 2014 Issued
Array ( [id] => 11415891 [patent_doc_number] => 09562709 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-07 [patent_title] => 'Compressor cooling system' [patent_app_type] => utility [patent_app_number] => 14/172234 [patent_app_country] => US [patent_app_date] => 2014-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 14364 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14172234 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/172234
Compressor cooling system Feb 3, 2014 Issued
Array ( [id] => 10326773 [patent_doc_number] => 20150211777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-30 [patent_title] => 'ECONOMIZER TARGET TEMPERATURE SHIFT DURING MECHANICAL COOLING' [patent_app_type] => utility [patent_app_number] => 14/165069 [patent_app_country] => US [patent_app_date] => 2014-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2079 [patent_no_of_claims] => 12 [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] => 14165069 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/165069
Economizer target temperature shift during mechanical cooling Jan 26, 2014 Issued
Array ( [id] => 11658154 [patent_doc_number] => 09671146 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-06 [patent_title] => 'Refrigerant cooling and lubrication system with refrigerant vapor vent line' [patent_app_type] => utility [patent_app_number] => 14/763442 [patent_app_country] => US [patent_app_date] => 2014-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5485 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14763442 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/763442
Refrigerant cooling and lubrication system with refrigerant vapor vent line Jan 23, 2014 Issued
Array ( [id] => 10319565 [patent_doc_number] => 20150204568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-23 [patent_title] => 'DETECTION OF DAMPER MOTOR MECHANICALLY DISCONNECTED FROM DAMPER ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 14/162270 [patent_app_country] => US [patent_app_date] => 2014-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3246 [patent_no_of_claims] => 30 [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] => 14162270 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/162270
Detection of damper motor mechanically disconnected from damper assembly Jan 22, 2014 Issued
Array ( [id] => 9715227 [patent_doc_number] => 20140250925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'Predictive Failure Algorithm For Refrigeration Systems' [patent_app_type] => utility [patent_app_number] => 14/155853 [patent_app_country] => US [patent_app_date] => 2014-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5368 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [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] => 14155853 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/155853
Predictive Failure Algorithm For Refrigeration Systems Jan 14, 2014 Abandoned
Array ( [id] => 14173359 [patent_doc_number] => 10260679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-16 [patent_title] => LNG export terminal [patent_app_type] => utility [patent_app_number] => 14/153403 [patent_app_country] => US [patent_app_date] => 2014-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2516 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14153403 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/153403
LNG export terminal Jan 12, 2014 Issued
Array ( [id] => 11921855 [patent_doc_number] => 09789420 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-17 [patent_title] => 'Cold trap and mounting structure of cold trap' [patent_app_type] => utility [patent_app_number] => 14/138620 [patent_app_country] => US [patent_app_date] => 2013-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4832 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14138620 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/138620
Cold trap and mounting structure of cold trap Dec 22, 2013 Issued
Array ( [id] => 12930127 [patent_doc_number] => 09829210 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-28 [patent_title] => Air-conditioning apparatus and method for controlling air-conditioning apparatus by ranking capacities for use-side heat exchangers [patent_app_type] => utility [patent_app_number] => 15/027265 [patent_app_country] => US [patent_app_date] => 2013-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 15064 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15027265 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/027265
Air-conditioning apparatus and method for controlling air-conditioning apparatus by ranking capacities for use-side heat exchangers Dec 18, 2013 Issued
Array ( [id] => 10216361 [patent_doc_number] => 20150101353 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-16 [patent_title] => 'AIR CONDITIONING SYSTEM AND METHOD FOR HIGH-VOLTAGE BATTERY OF VEHICLE' [patent_app_type] => utility [patent_app_number] => 14/104907 [patent_app_country] => US [patent_app_date] => 2013-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2607 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 14104907 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/104907
AIR CONDITIONING SYSTEM AND METHOD FOR HIGH-VOLTAGE BATTERY OF VEHICLE Dec 11, 2013 Abandoned
Array ( [id] => 10460830 [patent_doc_number] => 20150345845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-03 [patent_title] => 'CONSTRUCTION METHOD FOR AIR CONDITIONING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/649178 [patent_app_country] => US [patent_app_date] => 2013-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5370 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [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] => 14649178 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/649178
CONSTRUCTION METHOD FOR AIR CONDITIONING DEVICE Dec 4, 2013 Abandoned
Array ( [id] => 10415656 [patent_doc_number] => 20150300666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-22 [patent_title] => 'AIR CONDITIONER AND AIR CONDITIONER CONSTRUCTION METHOD' [patent_app_type] => utility [patent_app_number] => 14/649417 [patent_app_country] => US [patent_app_date] => 2013-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10231 [patent_no_of_claims] => 8 [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] => 14649417 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/649417
Air conditioner having simultaneous heating and cooling Nov 28, 2013 Issued
Array ( [id] => 10777451 [patent_doc_number] => 20160123607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'OUTDOOR UNIT' [patent_app_type] => utility [patent_app_number] => 14/897817 [patent_app_country] => US [patent_app_date] => 2013-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 14007 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 14897817 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/897817
OUTDOOR UNIT Nov 7, 2013 Abandoned
Array ( [id] => 11907900 [patent_doc_number] => 09776702 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-03 [patent_title] => 'System for supplying liquefied natural gas fuel with leak detection' [patent_app_type] => utility [patent_app_number] => 14/060832 [patent_app_country] => US [patent_app_date] => 2013-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5167 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14060832 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/060832
System for supplying liquefied natural gas fuel with leak detection Oct 22, 2013 Issued
Array ( [id] => 9715224 [patent_doc_number] => 20140250922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'SYSTEM FOR SUPPLYING LIQUEFIED NATURAL GAS FUEL' [patent_app_type] => utility [patent_app_number] => 14/060821 [patent_app_country] => US [patent_app_date] => 2013-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5746 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 14060821 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/060821
SYSTEM FOR SUPPLYING LIQUEFIED NATURAL GAS FUEL Oct 22, 2013 Abandoned
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