
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] => 17743315
[patent_doc_number] => 11391374
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2022-07-19
[patent_title] => Dual ring stuffing box
[patent_app_type] => utility
[patent_app_number] => 17/213854
[patent_app_country] => US
[patent_app_date] => 2021-03-26
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Array
(
[id] => 19292282
[patent_doc_number] => 12031632
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[patent_kind] => B2
[patent_issue_date] => 2024-07-09
[patent_title] => Seal structure
[patent_app_type] => utility
[patent_app_number] => 17/911164
[patent_app_country] => US
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Array
(
[id] => 19166458
[patent_doc_number] => 11982353
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[patent_kind] => B2
[patent_issue_date] => 2024-05-14
[patent_title] => Device with a housing having housing parts
[patent_app_type] => utility
[patent_app_number] => 17/630452
[patent_app_country] => US
[patent_app_date] => 2021-03-24
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/630452 | Device with a housing having housing parts | Mar 23, 2021 | Issued |
Array
(
[id] => 18179496
[patent_doc_number] => 20230040225
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-02-09
[patent_title] => PHOTOCURABLE COMPOSITION, CURED BODY, GASKET IN WHICH CURED BODY IS USED, WATERTIGHT STRUCTURE, AND METHOD FOR MANUFACTURING GASKET
[patent_app_type] => utility
[patent_app_number] => 17/791518
[patent_app_country] => US
[patent_app_date] => 2021-03-24
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/791518 | Photocurable composition, cured body, gasket in which cured body is used, watertight structure, and method for manufacturing gasket | Mar 23, 2021 | Issued |
Array
(
[id] => 19609337
[patent_doc_number] => 12158207
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[patent_issue_date] => 2024-12-03
[patent_title] => Gasket
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Array
(
[id] => 19702015
[patent_doc_number] => 12196031
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[patent_kind] => B2
[patent_issue_date] => 2025-01-14
[patent_title] => Insulating and sealing system for joints of joinery construction elements, especially windows and exterior doors
[patent_app_type] => utility
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Array
(
[id] => 18361023
[patent_doc_number] => 20230142614
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[patent_kind] => A1
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[patent_title] => VEHICULAR MOLDING
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/914825 | VEHICULAR MOLDING | Mar 17, 2021 | Abandoned |
Array
(
[id] => 18658585
[patent_doc_number] => 20230304581
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-09-28
[patent_title] => RUBBER-METAL LAMINATE AND GASKET
[patent_app_type] => utility
[patent_app_number] => 17/912292
[patent_app_country] => US
[patent_app_date] => 2021-03-10
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/912292 | RUBBER-METAL LAMINATE AND GASKET | Mar 9, 2021 | Pending |
Array
(
[id] => 18437038
[patent_doc_number] => 20230184332
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-15
[patent_title] => PISTON RING ARRANGEMENT, PISTON COMPRESSOR AND METHOD FOR SEALING A COMPRESSION CHAMBER
[patent_app_type] => utility
[patent_app_number] => 17/908569
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/908569 | Piston ring arrangement, piston compressor and method for sealing a compression chamber | Mar 2, 2021 | Issued |
Array
(
[id] => 18320505
[patent_doc_number] => 20230118633
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[patent_kind] => A1
[patent_issue_date] => 2023-04-20
[patent_title] => SLIDING COMPONENT
[patent_app_type] => utility
[patent_app_number] => 17/908515
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/908515 | Sliding component | Mar 1, 2021 | Issued |
Array
(
[id] => 19609340
[patent_doc_number] => 12158210
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-12-03
[patent_title] => Self-lubricating, wear resistant piston seal
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[patent_app_country] => US
[patent_app_date] => 2021-02-23
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/182598 | Self-lubricating, wear resistant piston seal | Feb 22, 2021 | Issued |
Array
(
[id] => 17053136
[patent_doc_number] => 20210262570
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-08-26
[patent_title] => UNIVERSAL GASKET
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/180386 | UNIVERSAL GASKET | Feb 18, 2021 | Abandoned |
Array
(
[id] => 18241227
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/799015 | GASKET | Feb 2, 2021 | Pending |
Array
(
[id] => 17008057
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[patent_title] => ROTARY SEALS
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/164978 | Rotary seals | Feb 1, 2021 | Issued |
Array
(
[id] => 18749091
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[patent_title] => Seal system
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Array
(
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Array
(
[id] => 16825249
[patent_doc_number] => 20210140542
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[patent_title] => PISTON SEAL WITH SOLID LUBRICANT APPLICATOR
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Array
(
[id] => 17750491
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[patent_title] => APPARATUS AND METHOD FOR SEALING AN END CAP ON AN INSULATED PIPE SYSTEM
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Array
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Array
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