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] => 16697527 [patent_doc_number] => 10948114 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Connector for fluidic connection between two hoses or the like and arrangement associated [patent_app_type] => utility [patent_app_number] => 16/041124 [patent_app_country] => US [patent_app_date] => 2018-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 4385 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16041124 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/041124
Connector for fluidic connection between two hoses or the like and arrangement associated Jul 19, 2018 Issued
Array ( [id] => 16541806 [patent_doc_number] => 20200408219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => PUMP AND SEALING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/632620 [patent_app_country] => US [patent_app_date] => 2018-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15906 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16632620 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/632620
PUMP AND SEALING SYSTEM Jul 19, 2018 Abandoned
Array ( [id] => 14503493 [patent_doc_number] => 20190195401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => SEALING RING [patent_app_type] => utility [patent_app_number] => 16/040346 [patent_app_country] => US [patent_app_date] => 2018-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1668 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16040346 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/040346
SEALING RING Jul 18, 2018 Abandoned
Array ( [id] => 13842625 [patent_doc_number] => 20190024797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => GASKET [patent_app_type] => utility [patent_app_number] => 16/038379 [patent_app_country] => US [patent_app_date] => 2018-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16038379 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/038379
Gasket Jul 17, 2018 Issued
Array ( [id] => 15409433 [patent_doc_number] => 20200025038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => SEALING CONFIGURATION TO REDUCE AIR LEAKAGE [patent_app_type] => utility [patent_app_number] => 16/037270 [patent_app_country] => US [patent_app_date] => 2018-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16037270 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/037270
SEALING CONFIGURATION TO REDUCE AIR LEAKAGE Jul 16, 2018 Abandoned
Array ( [id] => 13872887 [patent_doc_number] => 20190032784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => SEALING DEVICE [patent_app_type] => utility [patent_app_number] => 16/037624 [patent_app_country] => US [patent_app_date] => 2018-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5891 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16037624 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/037624
Sealing device Jul 16, 2018 Issued
Array ( [id] => 15072637 [patent_doc_number] => 10465797 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-05 [patent_title] => Gasket [patent_app_type] => utility [patent_app_number] => 16/035875 [patent_app_country] => US [patent_app_date] => 2018-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4717 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16035875 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/035875
Gasket Jul 15, 2018 Issued
Array ( [id] => 13842619 [patent_doc_number] => 20190024794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => BELLOWS [patent_app_type] => utility [patent_app_number] => 16/036106 [patent_app_country] => US [patent_app_date] => 2018-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2283 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16036106 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/036106
Bellows Jul 15, 2018 Issued
Array ( [id] => 15995431 [patent_doc_number] => 20200173586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => SEALING PROFILE FOR EMBEDDING INTO A MOULDING OF CURABLE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/631517 [patent_app_country] => US [patent_app_date] => 2018-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4203 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16631517 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/631517
Sealing profile for embedding into a moulding of curable material Jul 15, 2018 Issued
Array ( [id] => 15868177 [patent_doc_number] => 20200141492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => METHOD FOR PRODUCING A PISTON RING [patent_app_type] => utility [patent_app_number] => 16/610747 [patent_app_country] => US [patent_app_date] => 2018-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16610747 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/610747
Method for producing a piston ring Jul 12, 2018 Issued
Array ( [id] => 15818043 [patent_doc_number] => 10634193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-28 [patent_title] => Rotary seal [patent_app_type] => utility [patent_app_number] => 16/033696 [patent_app_country] => US [patent_app_date] => 2018-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5870 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16033696 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/033696
Rotary seal Jul 11, 2018 Issued
Array ( [id] => 15668131 [patent_doc_number] => 10598287 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-24 [patent_title] => Composite seal ring [patent_app_type] => utility [patent_app_number] => 16/033328 [patent_app_country] => US [patent_app_date] => 2018-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 4643 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16033328 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/033328
Composite seal ring Jul 11, 2018 Issued
Array ( [id] => 15347055 [patent_doc_number] => 20200011419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => ADDITIVELY MANUFACTURED SEAL PLATE [patent_app_type] => utility [patent_app_number] => 16/030127 [patent_app_country] => US [patent_app_date] => 2018-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16030127 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/030127
Additively manufactured seal plate Jul 8, 2018 Issued
Array ( [id] => 13795021 [patent_doc_number] => 20190011049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => SPIRAL WOUND GASKET [patent_app_type] => utility [patent_app_number] => 16/023659 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16023659 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/023659
Spiral wound gasket Jun 28, 2018 Issued
Array ( [id] => 13795019 [patent_doc_number] => 20190011048 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => SPIRAL WOUND GASKET [patent_app_type] => utility [patent_app_number] => 16/023615 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16023615 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/023615
Spiral wound gasket Jun 28, 2018 Issued
Array ( [id] => 13780109 [patent_doc_number] => 20190003593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => GASKET FOR A WIPER SYSTEM, A GASKET-BRACKET ASSEMBLY FOR A WIPER SYSTEM COMPRISING SUCH A GASKET, A WIPER SYSTEM FOR AN AUTOMOTIVE VEHICLE COMPRISING SUCH A GASKET AND A METHOD FOR ASSEMBLING SUCH A GASKET IN A WIPER SYSTEM [patent_app_type] => utility [patent_app_number] => 16/021781 [patent_app_country] => US [patent_app_date] => 2018-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3712 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16021781 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/021781
Gasket for a wiper system, a gasket-bracket assembly for a wiper system comprising such a gasket, a wiper system for an automotive vehicle comprising such a gasket and a method for assembling such a gasket in a wiper system Jun 27, 2018 Issued
Array ( [id] => 13794901 [patent_doc_number] => 20190010989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => SEALING DEVICE FOR A ROLLING BEARING [patent_app_type] => utility [patent_app_number] => 16/020523 [patent_app_country] => US [patent_app_date] => 2018-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16020523 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/020523
Sealing device for a rolling bearing Jun 26, 2018 Issued
Array ( [id] => 16825252 [patent_doc_number] => 20210140545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => SEAL RING [patent_app_type] => utility [patent_app_number] => 16/621341 [patent_app_country] => US [patent_app_date] => 2018-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5552 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16621341 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/621341
Seal ring Jun 26, 2018 Issued
Array ( [id] => 15917001 [patent_doc_number] => 10655735 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-19 [patent_title] => Seal arrangement with sealing film [patent_app_type] => utility [patent_app_number] => 16/015133 [patent_app_country] => US [patent_app_date] => 2018-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5108 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16015133 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/015133
Seal arrangement with sealing film Jun 20, 2018 Issued
Array ( [id] => 17527533 [patent_doc_number] => 11300210 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Mechanical seal [patent_app_type] => utility [patent_app_number] => 16/621062 [patent_app_country] => US [patent_app_date] => 2018-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3422 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16621062 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/621062
Mechanical seal Jun 19, 2018 Issued
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