
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 16956764
[patent_doc_number] => 11060613
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-07-13
[patent_title] => Radial segmented seal with air curtain generator
[patent_app_type] => utility
[patent_app_number] => 16/193528
[patent_app_country] => US
[patent_app_date] => 2018-11-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16193528
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/193528 | Radial segmented seal with air curtain generator | Nov 15, 2018 | Issued |
Array
(
[id] => 15979433
[patent_doc_number] => 10670032
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-06-02
[patent_title] => Sealing structure for casing
[patent_app_type] => utility
[patent_app_number] => 16/183118
[patent_app_country] => US
[patent_app_date] => 2018-11-07
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/183118 | Sealing structure for casing | Nov 6, 2018 | Issued |
Array
(
[id] => 16407826
[patent_doc_number] => 10816373
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2020-10-27
[patent_title] => Friction control and captive sealant for pressed windows
[patent_app_type] => utility
[patent_app_number] => 16/178851
[patent_app_country] => US
[patent_app_date] => 2018-11-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/178851 | Friction control and captive sealant for pressed windows | Nov 1, 2018 | Issued |
Array
(
[id] => 15423261
[patent_doc_number] => 10544548
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-01-28
[patent_title] => Expansion joint seal system with spring centering and ribs with protuberances
[patent_app_type] => utility
[patent_app_number] => 16/176486
[patent_app_country] => US
[patent_app_date] => 2018-10-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/176486 | Expansion joint seal system with spring centering and ribs with protuberances | Oct 30, 2018 | Issued |
Array
(
[id] => 15818081
[patent_doc_number] => 10634213
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-04-28
[patent_title] => Sealing structure with damper and oil seal
[patent_app_type] => utility
[patent_app_number] => 16/171792
[patent_app_country] => US
[patent_app_date] => 2018-10-26
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/171792 | Sealing structure with damper and oil seal | Oct 25, 2018 | Issued |
Array
(
[id] => 17770089
[patent_doc_number] => 11402022
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-08-02
[patent_title] => Mechanical seal having auxiliary lubricating device
[patent_app_type] => utility
[patent_app_number] => 16/765163
[patent_app_country] => US
[patent_app_date] => 2018-10-24
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/765163 | Mechanical seal having auxiliary lubricating device | Oct 23, 2018 | Issued |
Array
(
[id] => 16448752
[patent_doc_number] => 10840685
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-11-17
[patent_title] => Cable-holding device with sealing assembly
[patent_app_type] => utility
[patent_app_number] => 16/168225
[patent_app_country] => US
[patent_app_date] => 2018-10-23
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/168225 | Cable-holding device with sealing assembly | Oct 22, 2018 | Issued |
Array
(
[id] => 13931001
[patent_doc_number] => 20190049016
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-02-14
[patent_title] => GASKET FOR CORROSION PREVENTION
[patent_app_type] => utility
[patent_app_number] => 16/159898
[patent_app_country] => US
[patent_app_date] => 2018-10-15
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/159898 | GASKET FOR CORROSION PREVENTION | Oct 14, 2018 | Abandoned |
Array
(
[id] => 19652017
[patent_doc_number] => 12173794
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-12-24
[patent_title] => Sealing arrangement for a connection between two connecting elements of an offshore structure and method for producing same
[patent_app_type] => utility
[patent_app_number] => 16/755646
[patent_app_country] => US
[patent_app_date] => 2018-10-12
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/755646 | Sealing arrangement for a connection between two connecting elements of an offshore structure and method for producing same | Oct 11, 2018 | Issued |
Array
(
[id] => 17697898
[patent_doc_number] => 11371617
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-06-28
[patent_title] => Secondary seal in a non-contact seal assembly
[patent_app_type] => utility
[patent_app_number] => 17/280600
[patent_app_country] => US
[patent_app_date] => 2018-10-09
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17280600
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/280600 | Secondary seal in a non-contact seal assembly | Oct 8, 2018 | Issued |
Array
(
[id] => 16092349
[patent_doc_number] => 20200200161
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-06-25
[patent_title] => A PISTON ROD SEALING SYSTEM FOR A RECIPROCATING MACHINE AND METHOD FOR SEALING SUCH PISTON ROD
[patent_app_type] => utility
[patent_app_number] => 16/638971
[patent_app_country] => US
[patent_app_date] => 2018-10-03
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/638971 | Piston rod sealing system for a reciprocating machine and method for sealing such piston rod | Oct 2, 2018 | Issued |
Array
(
[id] => 16298627
[patent_doc_number] => 20200284350
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-09-10
[patent_title] => MECHANICAL SEAL FOR SEALING A FLUID-CONDUCTING CHANNEL AND/OR SPACE AND METHOD FOR MONITORING THE WEAR OF A MECHANICAL SEAL
[patent_app_type] => utility
[patent_app_number] => 16/757379
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/757379 | Mechanical seal for sealing a fluid-conducting channel and/or space and method for monitoring the wear of a mechanical seal | Oct 1, 2018 | Issued |
Array
(
[id] => 13872883
[patent_doc_number] => 20190032782
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-01-31
[patent_title] => Gasket Retainer for Mating an Electrical Device Enclosure
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/147924 | Gasket retainer for mating an electrical device enclosure | Sep 30, 2018 | Issued |
Array
(
[id] => 17421993
[patent_doc_number] => 11255440
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[patent_issue_date] => 2022-02-22
[patent_title] => Gas-lubricated mechanical seal having improved soiling protection
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/756322 | Gas-lubricated mechanical seal having improved soiling protection | Sep 30, 2018 | Issued |
Array
(
[id] => 16886330
[patent_doc_number] => 20210172526
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-06-10
[patent_title] => SEAL RING
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/761358 | SEAL RING | Sep 24, 2018 | Abandoned |
Array
(
[id] => 16520018
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Array
(
[id] => 17163765
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[patent_issue_date] => 2021-10-19
[patent_title] => Dynamic sealing device
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Array
(
[id] => 14082971
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[patent_title] => SEALING STRUCTURE
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Array
(
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Array
(
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