Search

Yean Hsi Chang

Examiner (ID: 16947)

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] => 13795059 [patent_doc_number] => 20190011068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => HEAT TRANSFER INTERRUPTION FOR IMPROVED FIRE RESISTANCE/PROOF PERFORMANCE [patent_app_type] => utility [patent_app_number] => 16/008396 [patent_app_country] => US [patent_app_date] => 2018-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2647 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16008396 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/008396
Heat transfer interruption for improved fire resistance/proof performance Jun 13, 2018 Issued
Array ( [id] => 15818187 [patent_doc_number] => 10634266 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-28 [patent_title] => Packing [patent_app_type] => utility [patent_app_number] => 16/005573 [patent_app_country] => US [patent_app_date] => 2018-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2975 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16005573 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/005573
Packing Jun 10, 2018 Issued
Array ( [id] => 15682893 [patent_doc_number] => 20200096110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-26 [patent_title] => METHOD FOR HANDLING CARRIER-FILM-EQUIPPED GASKET [patent_app_type] => utility [patent_app_number] => 16/614416 [patent_app_country] => US [patent_app_date] => 2018-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16614416 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/614416
METHOD FOR HANDLING CARRIER-FILM-EQUIPPED GASKET May 28, 2018 Abandoned
Array ( [id] => 14104239 [patent_doc_number] => 20190093795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => SEALING GLAND [patent_app_type] => utility [patent_app_number] => 15/988755 [patent_app_country] => US [patent_app_date] => 2018-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5458 [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] => 15988755 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/988755
Sealing gland May 23, 2018 Issued
Array ( [id] => 13430033 [patent_doc_number] => 20180266559 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => FLAT GASKET AND SEALING ASSEMBLY CONTAINING A FLAT GASKET [patent_app_type] => utility [patent_app_number] => 15/988502 [patent_app_country] => US [patent_app_date] => 2018-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17193 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15988502 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/988502
FLAT GASKET AND SEALING ASSEMBLY CONTAINING A FLAT GASKET May 23, 2018 Abandoned
Array ( [id] => 14612251 [patent_doc_number] => 10358813 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-23 [patent_title] => Fire retardant expansion joint seal system with elastically-compressible body members, internal spring members, and connector [patent_app_type] => utility [patent_app_number] => 15/986609 [patent_app_country] => US [patent_app_date] => 2018-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 16081 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [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] => 15986609 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/986609
Fire retardant expansion joint seal system with elastically-compressible body members, internal spring members, and connector May 21, 2018 Issued
Array ( [id] => 13553893 [patent_doc_number] => 20180328494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => DRY GAS SEAL WITH ELECTRONICALLY CONTROLLED CARRIER LOAD [patent_app_type] => utility [patent_app_number] => 15/980371 [patent_app_country] => US [patent_app_date] => 2018-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7281 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 15980371 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/980371
Dry gas seal with electronically controlled carrier load May 14, 2018 Issued
Array ( [id] => 16484900 [patent_doc_number] => 20200378501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => SLIDING COMPONENT [patent_app_type] => utility [patent_app_number] => 16/607322 [patent_app_country] => US [patent_app_date] => 2018-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16607322 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/607322
Sliding component May 11, 2018 Issued
Array ( [id] => 13567197 [patent_doc_number] => 20180335146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => SEAL FOR BI-DIRECTIONAL ROTATION AND PRESSURE [patent_app_type] => utility [patent_app_number] => 15/976598 [patent_app_country] => US [patent_app_date] => 2018-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23423 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [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] => 15976598 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/976598
Seal for bi-directional rotation and pressure May 9, 2018 Issued
Array ( [id] => 15978987 [patent_doc_number] => 10669807 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-02 [patent_title] => Seal bladder bonding sleeves for submersible well pump assembly [patent_app_type] => utility [patent_app_number] => 15/973699 [patent_app_country] => US [patent_app_date] => 2018-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3133 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [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] => 15973699 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/973699
Seal bladder bonding sleeves for submersible well pump assembly May 7, 2018 Issued
Array ( [id] => 13140597 [patent_doc_number] => 10087619 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-10-02 [patent_title] => Fire retardant expansion joint seal system with elastically-compressible members and resilient members [patent_app_type] => utility [patent_app_number] => 15/972705 [patent_app_country] => US [patent_app_date] => 2018-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 11744 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15972705 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/972705
Fire retardant expansion joint seal system with elastically-compressible members and resilient members May 6, 2018 Issued
Array ( [id] => 13128031 [patent_doc_number] => 10081939 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-09-25 [patent_title] => Fire retardant expansion joint seal system with internal resilient members and intumescent members [patent_app_type] => utility [patent_app_number] => 15/972612 [patent_app_country] => US [patent_app_date] => 2018-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 11733 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15972612 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/972612
Fire retardant expansion joint seal system with internal resilient members and intumescent members May 6, 2018 Issued
Array ( [id] => 13140599 [patent_doc_number] => 10087620 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-10-02 [patent_title] => Fire retardant expansion joint seal system with elastically-compressible body members, resilient members, and fire retardants [patent_app_type] => utility [patent_app_number] => 15/972747 [patent_app_country] => US [patent_app_date] => 2018-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 11759 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15972747 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/972747
Fire retardant expansion joint seal system with elastically-compressible body members, resilient members, and fire retardants May 6, 2018 Issued
Array ( [id] => 16336975 [patent_doc_number] => 10787922 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-29 [patent_title] => Tubular seal with wavy shroud for an aircraft propulsion system [patent_app_type] => utility [patent_app_number] => 15/969086 [patent_app_country] => US [patent_app_date] => 2018-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 4149 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15969086 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/969086
Tubular seal with wavy shroud for an aircraft propulsion system May 1, 2018 Issued
Array ( [id] => 13373015 [patent_doc_number] => 20180238048 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-23 [patent_title] => Expansion joint seal system with internal intumescent springs providing fire retardancy [patent_app_type] => utility [patent_app_number] => 15/960718 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15960718 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/960718
Expansion joint seal system with internal intumescent springs providing fire retardancy Apr 23, 2018 Issued
Array ( [id] => 17728058 [patent_doc_number] => 11384436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Piston ring with shot-peened running-in layer and method for the production thereof [patent_app_type] => utility [patent_app_number] => 16/632672 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3195 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16632672 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/632672
Piston ring with shot-peened running-in layer and method for the production thereof Apr 23, 2018 Issued
Array ( [id] => 16407442 [patent_doc_number] => 10815988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-27 [patent_title] => Frac pump sealed nut assembly [patent_app_type] => utility [patent_app_number] => 15/956684 [patent_app_country] => US [patent_app_date] => 2018-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3409 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15956684 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/956684
Frac pump sealed nut assembly Apr 17, 2018 Issued
Array ( [id] => 15636157 [patent_doc_number] => 10591062 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-17 [patent_title] => Gasket and manufacturing method thereof [patent_app_type] => utility [patent_app_number] => 15/955846 [patent_app_country] => US [patent_app_date] => 2018-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4899 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15955846 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/955846
Gasket and manufacturing method thereof Apr 17, 2018 Issued
Array ( [id] => 13494567 [patent_doc_number] => 20180298826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-18 [patent_title] => AIRCRAFT AUXILIARY POWER UNIT EXHAUST PIPE SEALS AND METHODS [patent_app_type] => utility [patent_app_number] => 15/955615 [patent_app_country] => US [patent_app_date] => 2018-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15955615 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/955615
AIRCRAFT AUXILIARY POWER UNIT EXHAUST PIPE SEALS AND METHODS Apr 16, 2018 Abandoned
Array ( [id] => 13359237 [patent_doc_number] => 20180231158 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => GASKET WITH MULTIPLE SEAL RINGS [patent_app_type] => utility [patent_app_number] => 15/954277 [patent_app_country] => US [patent_app_date] => 2018-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4337 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15954277 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/954277
Gasket with multiple seal rings Apr 15, 2018 Issued
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