Search

Yean Hsi Chang

Examiner (ID: 10502)

Most Active Art Unit
2835
Art Unit(s)
2835
Total Applications
607
Issued Applications
482
Pending Applications
15
Abandoned Applications
110

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17378943 [patent_doc_number] => 11236948 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Heat dissipation assembly [patent_app_type] => utility [patent_app_number] => 16/820662 [patent_app_country] => US [patent_app_date] => 2020-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5482 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16820662 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/820662
Heat dissipation assembly Mar 15, 2020 Issued
Array ( [id] => 18190635 [patent_doc_number] => 11581236 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Self-cleaning heatsink for electronic components [patent_app_type] => utility [patent_app_number] => 16/791370 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4716 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16791370 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/791370
Self-cleaning heatsink for electronic components Feb 13, 2020 Issued
Array ( [id] => 17527683 [patent_doc_number] => 11300360 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Pressure vessel with barrier passage containing fire suppressant elements [patent_app_type] => utility [patent_app_number] => 16/751955 [patent_app_country] => US [patent_app_date] => 2020-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 3980 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16751955 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/751955
Pressure vessel with barrier passage containing fire suppressant elements Jan 23, 2020 Issued
Array ( [id] => 16191869 [patent_doc_number] => 20200232718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => HEAT DISSIPATION UNIT AND HEAT DISSIPATION DEVICE USING SAME [patent_app_type] => utility [patent_app_number] => 16/745351 [patent_app_country] => US [patent_app_date] => 2020-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16745351 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/745351
Heat dissipation unit and heat dissipation device using same Jan 16, 2020 Issued
Array ( [id] => 16933494 [patent_doc_number] => 20210199383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => BLOCK STYLE HEAT EXCHANGER FOR HEAT PIPE REACTOR [patent_app_type] => utility [patent_app_number] => 16/729684 [patent_app_country] => US [patent_app_date] => 2019-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3028 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16729684 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/729684
Block style heat exchanger for heat pipe reactor Dec 29, 2019 Issued
Array ( [id] => 18980714 [patent_doc_number] => 11905875 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Vehicle heat exchange system [patent_app_type] => utility [patent_app_number] => 17/418774 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8433 [patent_no_of_claims] => 20 [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] => 17418774 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/418774
Vehicle heat exchange system Dec 18, 2019 Issued
Array ( [id] => 15802439 [patent_doc_number] => 20200124362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => FLAT EXTRUDED ALUMINUM MULTI-PORT TUBE WHOSE INNER SURFACE IS HIGHLY CORROSION-RESISTANT AND AN ALUMINUM HEAT EXCHANGER USING THE TUBE [patent_app_type] => utility [patent_app_number] => 16/718717 [patent_app_country] => US [patent_app_date] => 2019-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9937 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16718717 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/718717
Flat extruded aluminum multi-port tube whose inner surface is highly corrosion-resistant and an aluminum heat exchanger using the tube Dec 17, 2019 Issued
Array ( [id] => 17090654 [patent_doc_number] => 11118838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-14 [patent_title] => Leaf-shaped geometry for heat exchanger core [patent_app_type] => utility [patent_app_number] => 16/711144 [patent_app_country] => US [patent_app_date] => 2019-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3334 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16711144 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/711144
Leaf-shaped geometry for heat exchanger core Dec 10, 2019 Issued
Array ( [id] => 16298809 [patent_doc_number] => 20200284532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => HEAT EXCHANGER HEADER WITH FRACTAL GEOMETRY [patent_app_type] => utility [patent_app_number] => 16/711140 [patent_app_country] => US [patent_app_date] => 2019-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3463 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16711140 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/711140
Heat exchanger header with fractal geometry Dec 10, 2019 Issued
Array ( [id] => 18110542 [patent_doc_number] => 20230003422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => ARRANGEMENT IN A BOREHOLE [patent_app_type] => utility [patent_app_number] => 17/783565 [patent_app_country] => US [patent_app_date] => 2019-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17783565 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/783565
ARRANGEMENT IN A BOREHOLE Dec 8, 2019 Abandoned
Array ( [id] => 18042289 [patent_doc_number] => 20220386506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => HEAT-SINK CHAMBERS [patent_app_type] => utility [patent_app_number] => 17/775908 [patent_app_country] => US [patent_app_date] => 2019-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17775908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/775908
HEAT-SINK CHAMBERS Nov 13, 2019 Abandoned
Array ( [id] => 16763281 [patent_doc_number] => 20210108862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => DOUBLE TUBE WITH PETAL SHAPE AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 16/682364 [patent_app_country] => US [patent_app_date] => 2019-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2511 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16682364 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/682364
Double tube with petal shape and method of manufacturing the same Nov 12, 2019 Issued
Array ( [id] => 17858783 [patent_doc_number] => 11439923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Swirl generator [patent_app_type] => utility [patent_app_number] => 16/679909 [patent_app_country] => US [patent_app_date] => 2019-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3504 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16679909 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/679909
Swirl generator Nov 10, 2019 Issued
Array ( [id] => 17037943 [patent_doc_number] => 20210254901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => HEAT RECOVERY VENTILATOR [patent_app_type] => utility [patent_app_number] => 16/972201 [patent_app_country] => US [patent_app_date] => 2019-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2514 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16972201 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/972201
Heat recovery ventilator Nov 5, 2019 Issued
Array ( [id] => 16809187 [patent_doc_number] => 20210131740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => PHASE CHANGE HEAT-STORING MECHANISMS FOR SUBSTRATES OF ELECTRONIC ASSEMBLIES [patent_app_type] => utility [patent_app_number] => 16/674784 [patent_app_country] => US [patent_app_date] => 2019-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5438 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16674784 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/674784
Phase change heat-storing mechanisms for substrates of electronic assemblies Nov 4, 2019 Issued
Array ( [id] => 17150362 [patent_doc_number] => 11143431 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-12 [patent_title] => Supply and exhaust ventilation device [patent_app_type] => utility [patent_app_number] => 16/669434 [patent_app_country] => US [patent_app_date] => 2019-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 6039 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 426 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16669434 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/669434
Supply and exhaust ventilation device Oct 29, 2019 Issued
Array ( [id] => 19106616 [patent_doc_number] => 11959705 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Heat exchanger and air conditioner with heat exchanger [patent_app_type] => utility [patent_app_number] => 17/312962 [patent_app_country] => US [patent_app_date] => 2019-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3779 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17312962 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/312962
Heat exchanger and air conditioner with heat exchanger Oct 27, 2019 Issued
Array ( [id] => 16894080 [patent_doc_number] => 11035624 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Heat exchanger with integral anti-icing [patent_app_type] => utility [patent_app_number] => 16/567683 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2467 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16567683 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/567683
Heat exchanger with integral anti-icing Sep 10, 2019 Issued
Array ( [id] => 15295575 [patent_doc_number] => 20190390923 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => ATTACHMENT MEANS, GASKET ARRANGEMENT, HEAT EXCHANGER PLATE AND ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/563574 [patent_app_country] => US [patent_app_date] => 2019-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16563574 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/563574
Attachment means, gasket arrangement, heat exchanger plate and assembly Sep 5, 2019 Issued
Array ( [id] => 16493301 [patent_doc_number] => 10859330 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-12-08 [patent_title] => Flexible and conformable polymer-based heat sinks and methods of making and using thereof [patent_app_type] => utility [patent_app_number] => 16/560610 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 20513 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16560610 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/560610
Flexible and conformable polymer-based heat sinks and methods of making and using thereof Sep 3, 2019 Issued
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