
Zhaohui Yang
Examiner (ID: 6818, Phone: (571)270-7527 , Office: P/2468 )
| Most Active Art Unit | 2468 |
| Art Unit(s) | 2468 |
| Total Applications | 466 |
| Issued Applications | 302 |
| Pending Applications | 75 |
| Abandoned Applications | 104 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 19753803
[patent_doc_number] => 20250042368
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-02-06
[patent_title] => SENSOR LENS CLEANING SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/365931
[patent_app_country] => US
[patent_app_date] => 2023-08-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12310
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 104
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18365931
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/365931 | Sensor lens cleaning system | Aug 3, 2023 | Issued |
Array
(
[id] => 19753803
[patent_doc_number] => 20250042368
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-02-06
[patent_title] => SENSOR LENS CLEANING SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/365931
[patent_app_country] => US
[patent_app_date] => 2023-08-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12310
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 104
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18365931
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/365931 | Sensor lens cleaning system | Aug 3, 2023 | Issued |
Array
(
[id] => 19687974
[patent_doc_number] => 20250006519
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-01-02
[patent_title] => ELECTROPLATING WETTING CHAMBER WITH REDUCED BUBBLE ENTRAPMENT
[patent_app_type] => utility
[patent_app_number] => 18/342991
[patent_app_country] => US
[patent_app_date] => 2023-06-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10629
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 63
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18342991
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/342991 | Electroplating wetting chamber with reduced bubble entrapment | Jun 27, 2023 | Issued |
Array
(
[id] => 19916341
[patent_doc_number] => 12291697
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2025-05-06
[patent_title] => Cleaning solution, dispenser therefor and a method of cleaning a coffee maker
[patent_app_type] => utility
[patent_app_number] => 18/210028
[patent_app_country] => US
[patent_app_date] => 2023-06-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 1134
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 212
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18210028
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/210028 | Cleaning solution, dispenser therefor and a method of cleaning a coffee maker | Jun 13, 2023 | Issued |
Array
(
[id] => 19883387
[patent_doc_number] => 12269073
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-04-08
[patent_title] => Cleaning procedure for anilox by overlaying laser spots
[patent_app_type] => utility
[patent_app_number] => 18/329732
[patent_app_country] => US
[patent_app_date] => 2023-06-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 8
[patent_no_of_words] => 2561
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 124
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18329732
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/329732 | Cleaning procedure for anilox by overlaying laser spots | Jun 5, 2023 | Issued |
Array
(
[id] => 19374185
[patent_doc_number] => 12065736
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-08-20
[patent_title] => Cleaning method, method of manufacturing semiconductor device, and substrate processing apparatus
[patent_app_type] => utility
[patent_app_number] => 18/323092
[patent_app_country] => US
[patent_app_date] => 2023-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 15528
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 253
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323092
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/323092 | Cleaning method, method of manufacturing semiconductor device, and substrate processing apparatus | May 23, 2023 | Issued |
Array
(
[id] => 19600070
[patent_doc_number] => 20240390950
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-11-28
[patent_title] => METHOD AND APPARATUS FOR SUBSTRATE CLEANING IN STACK-DIE HYBRID BONDING PROCESS
[patent_app_type] => utility
[patent_app_number] => 18/200539
[patent_app_country] => US
[patent_app_date] => 2023-05-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7176
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[patent_words_short_claim] => 49
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18200539
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/200539 | METHOD AND APPARATUS FOR SUBSTRATE CLEANING IN STACK-DIE HYBRID BONDING PROCESS | May 21, 2023 | Pending |
Array
(
[id] => 20187240
[patent_doc_number] => 12398347
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-08-26
[patent_title] => Parts-washing method
[patent_app_type] => utility
[patent_app_number] => 18/318532
[patent_app_country] => US
[patent_app_date] => 2023-05-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 0
[patent_no_of_claims] => 20
[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] => 18318532
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/318532 | Parts-washing method | May 15, 2023 | Issued |
Array
(
[id] => 20032556
[patent_doc_number] => 20250170778
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-05-29
[patent_title] => TECHNIQUE FOR POWDER REMOVAL FROM A THREE-DIMENSIONAL WORKPIECE GENERATED VIA ADDITIVE MANUFACTURING
[patent_app_type] => utility
[patent_app_number] => 18/842642
[patent_app_country] => US
[patent_app_date] => 2023-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2395
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 85
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18842642
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/842642 | TECHNIQUE FOR POWDER REMOVAL FROM A THREE-DIMENSIONAL WORKPIECE GENERATED VIA ADDITIVE MANUFACTURING | Apr 25, 2023 | Pending |
Array
(
[id] => 20186228
[patent_doc_number] => 12397330
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-08-26
[patent_title] => Condition selectable backside gas
[patent_app_type] => utility
[patent_app_number] => 18/138337
[patent_app_country] => US
[patent_app_date] => 2023-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 3782
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 101
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18138337
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/138337 | Condition selectable backside gas | Apr 23, 2023 | Issued |
Array
(
[id] => 19978560
[patent_doc_number] => 12346034
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-07-01
[patent_title] => Method and system of removing particles from pellicle
[patent_app_type] => utility
[patent_app_number] => 18/138012
[patent_app_country] => US
[patent_app_date] => 2023-04-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 22
[patent_no_of_words] => 4541
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[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] => 18138012
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/138012 | Method and system of removing particles from pellicle | Apr 20, 2023 | Issued |
Array
(
[id] => 19082305
[patent_doc_number] => 20240109106
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-04-04
[patent_title] => AIR SEPARATION MODULE (ASM) CONTAMINATION APPARATUS AND REMOVAL PROCESS
[patent_app_type] => utility
[patent_app_number] => 18/301788
[patent_app_country] => US
[patent_app_date] => 2023-04-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3882
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 72
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18301788
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/301788 | Air separation module (ASM) contamination apparatus and removal process | Apr 16, 2023 | Issued |
Array
(
[id] => 20255218
[patent_doc_number] => 12427552
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-30
[patent_title] => Foreign particle removing method, formation method, article manufacturing method, foreign particle removing apparatus, and system
[patent_app_type] => utility
[patent_app_number] => 18/299319
[patent_app_country] => US
[patent_app_date] => 2023-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 25
[patent_no_of_words] => 4711
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 187
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299319
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/299319 | Foreign particle removing method, formation method, article manufacturing method, foreign particle removing apparatus, and system | Apr 11, 2023 | Issued |
Array
(
[id] => 20255218
[patent_doc_number] => 12427552
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-30
[patent_title] => Foreign particle removing method, formation method, article manufacturing method, foreign particle removing apparatus, and system
[patent_app_type] => utility
[patent_app_number] => 18/299319
[patent_app_country] => US
[patent_app_date] => 2023-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 25
[patent_no_of_words] => 4711
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 187
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299319
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/299319 | Foreign particle removing method, formation method, article manufacturing method, foreign particle removing apparatus, and system | Apr 11, 2023 | Issued |
Array
(
[id] => 18724834
[patent_doc_number] => 20230338996
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-26
[patent_title] => METHOD OF CLEANING TRAYS USED FOR HANDLING SEMICONDUCTOR PACKAGES
[patent_app_type] => utility
[patent_app_number] => 18/298588
[patent_app_country] => US
[patent_app_date] => 2023-04-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6102
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 118
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298588
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/298588 | Method of cleaning trays used for handling semiconductor packages | Apr 10, 2023 | Issued |
Array
(
[id] => 19816552
[patent_doc_number] => 20250074759
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-03-06
[patent_title] => AUTOMATED CLEANING SYSTEM FOR A BEVERAGE DISPENSER
[patent_app_type] => utility
[patent_app_number] => 18/299013
[patent_app_country] => US
[patent_app_date] => 2023-04-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 15365
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -21
[patent_words_short_claim] => 120
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299013
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/299013 | AUTOMATED CLEANING SYSTEM FOR A BEVERAGE DISPENSER | Apr 10, 2023 | Pending |
Array
(
[id] => 18690414
[patent_doc_number] => 20230320557
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-12
[patent_title] => RECIRCULATING CHEMICAL-SANITIZING WASHING MACHINE
[patent_app_type] => utility
[patent_app_number] => 18/295999
[patent_app_country] => US
[patent_app_date] => 2023-04-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4503
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[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] => 18295999
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/295999 | RECIRCULATING CHEMICAL-SANITIZING WASHING MACHINE | Apr 4, 2023 | Pending |
Array
(
[id] => 18673644
[patent_doc_number] => 20230311150
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-05
[patent_title] => CLEANING DEVICE AND METHOD OF CLEANING PAINT GUN
[patent_app_type] => utility
[patent_app_number] => 18/127029
[patent_app_country] => US
[patent_app_date] => 2023-03-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4850
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -7
[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] => 18127029
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/127029 | CLEANING DEVICE AND METHOD OF CLEANING PAINT GUN | Mar 27, 2023 | Abandoned |
Array
(
[id] => 19007672
[patent_doc_number] => 20240071743
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-29
[patent_title] => ELECTROCHEMICAL SYSTEMS AND METHODS FOR FINISHING SiC WAFERS
[patent_app_type] => utility
[patent_app_number] => 18/191037
[patent_app_country] => US
[patent_app_date] => 2023-03-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8498
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -41
[patent_words_short_claim] => 66
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18191037
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/191037 | ELECTROCHEMICAL SYSTEMS AND METHODS FOR FINISHING SiC WAFERS | Mar 27, 2023 | Abandoned |
Array
(
[id] => 19563994
[patent_doc_number] => 12138745
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-11-12
[patent_title] => Apparatus and method for coating removal
[patent_app_type] => utility
[patent_app_number] => 18/124871
[patent_app_country] => US
[patent_app_date] => 2023-03-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 11
[patent_no_of_words] => 5091
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 191
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18124871
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/124871 | Apparatus and method for coating removal | Mar 21, 2023 | Issued |