
Yanzhi Zhang
Examiner (ID: 8330, Phone: (571)272-3117 , Office: P/1617 )
| Most Active Art Unit | 1617 |
| Art Unit(s) | 1617 |
| Total Applications | 535 |
| Issued Applications | 328 |
| Pending Applications | 4 |
| Abandoned Applications | 206 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 20226035
[patent_doc_number] => 12414671
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-16
[patent_title] => Loofah dish sponge and methods of manufacturing thereof
[patent_app_type] => utility
[patent_app_number] => 18/144120
[patent_app_country] => US
[patent_app_date] => 2023-05-05
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18144120
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/144120 | Loofah dish sponge and methods of manufacturing thereof | May 4, 2023 | Issued |
Array
(
[id] => 18751755
[patent_doc_number] => 20230354969
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-09
[patent_title] => WATCHBAND RELEASE BUTTON SPANNER PUSH TOOL
[patent_app_type] => utility
[patent_app_number] => 18/312174
[patent_app_country] => US
[patent_app_date] => 2023-05-04
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/312174 | WATCHBAND RELEASE BUTTON SPANNER PUSH TOOL | May 3, 2023 | Abandoned |
Array
(
[id] => 18785880
[patent_doc_number] => 20230373772
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-23
[patent_title] => CAP OPENING AND CLOSING APPARATUS AND METHOD OF CONTROLLING SAME
[patent_app_type] => utility
[patent_app_number] => 18/142793
[patent_app_country] => US
[patent_app_date] => 2023-05-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/142793 | Cap opening and closing apparatus and method of controlling same | May 2, 2023 | Issued |
Array
(
[id] => 18737300
[patent_doc_number] => 20230346191
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-02
[patent_title] => DUSTPAN
[patent_app_type] => utility
[patent_app_number] => 18/308947
[patent_app_country] => US
[patent_app_date] => 2023-04-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/308947 | DUSTPAN | Apr 27, 2023 | Pending |
Array
(
[id] => 18995421
[patent_doc_number] => 11912244
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2024-02-27
[patent_title] => Systems and devices for material removal from a wiper
[patent_app_type] => utility
[patent_app_number] => 18/306606
[patent_app_country] => US
[patent_app_date] => 2023-04-25
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/306606 | Systems and devices for material removal from a wiper | Apr 24, 2023 | Issued |
Array
(
[id] => 19700960
[patent_doc_number] => 12194965
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-01-14
[patent_title] => Wrap around station and automated car wash system including the same
[patent_app_type] => utility
[patent_app_number] => 18/138896
[patent_app_country] => US
[patent_app_date] => 2023-04-25
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/138896 | Wrap around station and automated car wash system including the same | Apr 24, 2023 | Issued |
Array
(
[id] => 18751774
[patent_doc_number] => 20230354988
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-09
[patent_title] => SYSTEMS AND METHODS FOR WIRE BRISTLE TUFT ATTACHMENT
[patent_app_type] => utility
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[patent_app_date] => 2023-04-18
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/135833 | SYSTEMS AND METHODS FOR WIRE BRISTLE TUFT ATTACHMENT | Apr 17, 2023 | Pending |
Array
(
[id] => 18706935
[patent_doc_number] => 20230329508
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-19
[patent_title] => CLEANING DEVICE FOR WRINGING ASSIST
[patent_app_type] => utility
[patent_app_number] => 18/300846
[patent_app_country] => US
[patent_app_date] => 2023-04-14
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/300846 | CLEANING DEVICE FOR WRINGING ASSIST | Apr 13, 2023 | Pending |
Array
(
[id] => 19478064
[patent_doc_number] => 20240326106
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-03
[patent_title] => EXTRACTION DEVICE AND MECHANISMS, AND USE IN RECYCLING BEVERAGE CAPSULES
[patent_app_type] => utility
[patent_app_number] => 18/129763
[patent_app_country] => US
[patent_app_date] => 2023-03-31
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/129763 | EXTRACTION DEVICE AND MECHANISMS, AND USE IN RECYCLING BEVERAGE CAPSULES | Mar 30, 2023 | Issued |
Array
(
[id] => 18536989
[patent_doc_number] => 20230242081
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-08-03
[patent_title] => ROTATING BLADE MECHANISM FOR CLEANING CYLINDRICAL SENSORS
[patent_app_type] => utility
[patent_app_number] => 18/192490
[patent_app_country] => US
[patent_app_date] => 2023-03-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18192490
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/192490 | ROTATING BLADE MECHANISM FOR CLEANING CYLINDRICAL SENSORS | Mar 28, 2023 | Abandoned |
Array
(
[id] => 18509424
[patent_doc_number] => 20230225498
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-07-20
[patent_title] => PAINT BRUSH CLEANING SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/189425
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/189425 | Paint brush cleaning system | Mar 23, 2023 | Issued |
Array
(
[id] => 20534024
[patent_doc_number] => 12551072
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[patent_kind] => B2
[patent_issue_date] => 2026-02-17
[patent_title] => Surface cleaning apparatus
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/124677 | Surface cleaning apparatus | Mar 21, 2023 | Issued |
Array
(
[id] => 19449466
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[patent_title] => Cost-effective bike lane sweeper
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/123312 | Cost-effective bike lane sweeper | Mar 18, 2023 | Pending |
Array
(
[id] => 20576877
[patent_doc_number] => 12569111
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[patent_kind] => B2
[patent_issue_date] => 2026-03-10
[patent_title] => Footwear vacuum assembly
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/123287 | Footwear vacuum assembly | Mar 18, 2023 | Issued |
Array
(
[id] => 18784265
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[patent_kind] => A1
[patent_issue_date] => 2023-11-23
[patent_title] => ROBOTIC CLEANING DEVICES, ASSOCIATED SYSTEMS, AND METHODS OF USING THE SAME
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Array
(
[id] => 18550872
[patent_doc_number] => 20230248872
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[patent_kind] => A1
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[patent_title] => PORTABLE SANITIZING CLEANING DEVICE AND METHOD OF USE
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/180336 | Portable sanitizing cleaning device and method of use | Mar 7, 2023 | Issued |
Array
(
[id] => 19430368
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[patent_issue_date] => 2024-09-12
[patent_title] => Mop Wringer Assembly
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/117707 | Mop Wringer Assembly | Mar 5, 2023 | Pending |
Array
(
[id] => 19185601
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[patent_title] => HAIR BRUSH HAVING UNIT STRUCTURE OF BRUSH BRISTLE MODULES
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/116367 | HAIR BRUSH HAVING UNIT STRUCTURE OF BRUSH BRISTLE MODULES | Mar 1, 2023 | Abandoned |
Array
(
[id] => 18635365
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/106088 | BODY CLEANSING ACCESSORY | Feb 5, 2023 | Pending |