Search

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 numberTitle of the applicationFiling DateStatus
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
Menu