Granted Patent
Utility
US 12,665,412
· Confirmation No. 2916
PHOTOVOLTAIC SYSTEM, DIRECT-CURRENT COMBINER BOX, AND FAULT ISOLATION METHOD
Applicant:
Huawei Digital Power Technologies Co., Ltd.
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| 2026-06-23 | EGRANT.PDF |
Digitally signed official patent eGrant document | — | View | |
| 2026-06-23 | EGRANT.NTF |
eGrant day-of Notification | 2 | View | |
| 2026-06-10 | ISSUE.NTF |
Issue Notification | 2 | View | |
| 2026-05-28 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2026-05-28 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2026-05-28 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-05-22 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 2 | View | |
| 2026-05-22 | ANE.I |
Amendment After Final or under 37CFR 1.312, initialed by the examiner. | 1 | View | |
| 2026-05-06 | A.NA |
Amendment after Notice of Allowance (Rule 312) | — | View | |
| 2026-05-06 | A.NA |
Amendment after Notice of Allowance (Rule 312) | 1 | View | |
| 2026-05-06 | CLM |
Claims | 9 | View | |
| 2026-05-06 | REM |
Applicant Arguments/Remarks Made in an Amendment | 1 | View | |
| 2026-05-06 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-04-03 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 8 | View | |
| 2026-04-03 | EXIN |
Examiner Interview Summary Record (PTOL - 413) | 1 | View | |
| 2026-04-03 | 892 |
List of references cited by examiner | 1 | View | |
| 2026-04-03 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2026-04-03 | IIFW |
Issue Information including classification, examiner, name, claim, renumbering, etc. | 3 | View | |
| 2026-04-03 | FOR |
Foreign Reference | 14 | View | |
| 2026-04-03 | SRNT |
Examiner's search strategy and results | 27 | View | |
| 2026-04-03 | 1449 |
List of References cited by applicant and considered by examiner | 5 | View | |
| 2026-03-04 | FOR |
Foreign Reference | 70 | View | |
| 2026-03-04 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 5 | View | |
| 2026-03-04 | REF.OTHER |
Other reference-Patent/Application/Search Documents | 6 | View | |
| 2026-03-04 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-02-10 | RCEX |
Request for Continued Examination (RCE) | 3 | View | |
| 2026-02-10 | XT/ |
Extension of Time | 2 | View | |
| 2026-02-10 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-02-10 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2026-02-10 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2026-02-02 | CTAV |
Advisory Action (PTOL-303) | 2 | View | |
| 2026-02-02 | ANE.I |
Amendment After Final or under 37CFR 1.312, initialed by the examiner. | 1 | View | |
| 2026-01-20 | A.NE |
Response After Final Action | — | View | |
| 2026-01-20 | A.NE |
Response After Final Action | 1 | View | |
| 2026-01-20 | CLM |
Claims | 9 | View | |
| 2026-01-20 | REM |
Applicant Arguments/Remarks Made in an Amendment | 5 | View | |
| 2026-01-20 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-01-20 | AMSB |
Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE) | 1 | View | |
| 2025-12-05 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2025-12-05 | OATH |
Oath or Declaration filed | 4 | View | |
| 2025-10-21 | CTFR |
Final Rejection | 19 | View | |
| 2025-10-21 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2025-10-21 | FWCLM |
Index of Claims | 1 | View | |
| 2025-10-21 | SRNT |
Examiner's search strategy and results | 20 | View | |
| 2025-10-21 | 1449 |
List of References cited by applicant and considered by examiner | 5 | View | |
| 2025-10-21 | 1449 |
List of References cited by applicant and considered by examiner | 5 | View | |
| 2025-07-07 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | — | View | |
| 2025-07-07 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2025-07-07 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 5 | View | |
| 2025-07-07 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | 1 | View | |
| 2025-07-07 | CLM |
Claims | 8 | View | |
| 2025-07-07 | REM |
Applicant Arguments/Remarks Made in an Amendment | 5 | View | |
| 2025-07-07 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2025-07-07 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2025-07-03 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2025-07-03 | FOR |
Foreign Reference | 30 | View | |
| 2025-07-03 | FOR |
Foreign Reference | 22 | View | |
| 2025-07-03 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 5 | View | |
| 2025-07-03 | FOR |
Foreign Reference | 30 | View | |
| 2025-05-08 | CTNF |
Non-Final Rejection | 16 | View | |
| 2025-05-08 | 892 |
List of references cited by examiner | 1 | View | |
| 2025-05-08 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2025-05-08 | FWCLM |
Index of Claims | 1 | View | |
| 2025-05-08 | FOR |
Foreign Reference | 19 | View | |
| 2025-05-08 | BIB |
Bibliographic Data Sheet | 1 | View | |
| 2025-05-08 | SRNT |
Examiner's search strategy and results | 9 | View | |
| 2025-05-08 | 1449 |
List of References cited by applicant and considered by examiner | 5 | View | |
| 2024-10-28 | FOR |
Foreign Reference | 29 | View | |
| 2024-10-28 | FOR |
Foreign Reference | 23 | View | |
| 2024-10-28 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 5 | View | |
| 2024-10-28 | FOR |
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| 2024-10-28 | FOR |
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| 2024-10-28 | N417 |
Electronic Filing System Acknowledgment Receipt | 3 | View | |
| 2024-10-28 | FOR |
Foreign Reference | 34 | View | |
| 2024-10-28 | FOR |
Foreign Reference | 10 | View | |
| 2023-12-07 | NTC.PUB |
Notice of Publication | 1 | View | |
| 2023-09-21 | A.PE |
Preliminary Amendment | — | View | |
| 2023-09-21 | A.PE |
Preliminary Amendment | 1 | View | |
| 2023-09-21 | CLM |
Claims | 7 | View | |
| 2023-09-21 | REM |
Applicant Arguments/Remarks Made in an Amendment | 1 | View | |
| 2023-09-21 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2023-09-21 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2023-08-29 | APP.FILE.REC |
Filing Receipt | 4 | View | |
| 2023-08-29 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2023-08-29 | M327 |
Miscellaneous Communication to Applicant - No Action Count | 1 | View | |
| 2023-08-18 | APP.TEXT |
Application body structured text document | — | View | |
| 2023-08-18 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2023-08-18 | ADS |
Application Data Sheet | 9 | View | |
| 2023-08-18 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2023-08-18 | SPEC |
Specification | 41 | View | |
| 2023-08-18 | CLM |
Claims | 8 | View | |
| 2023-08-18 | ABST |
Abstract | 1 | View | |
| 2023-08-18 | DRW |
Drawings-only black and white line drawings | 13 | View | |
| 2023-08-18 | PA.. |
Power of Attorney | 2 | View |
Inventors
Fangpo Zhang
Shanghai, CHINA
Tiansan Lin
Shenzhen, CHINA
Xiufeng Zhang
Dongguan, CHINA
Jinxiang Zhan
Shanghai, CHINA
Attorneys & Agents of Record
Classification
USPC
361/93.1
H02S40/30
H02H7/20
H02J3/381
H02S40/32
H02S40/36
H02S50/10
H02J2101/24
H02H11/002
H02S50/00
Y02B10/70
Prosecution
- Examiner
- FAUBERT, SAMANTHA LYNETTE
- Art Unit
- 2838
- Customer No.
- 74365
- Docket No.
- HW 87172368US04
- Confirmation No.
- 2916
Publication
- Pub. No.
- US20230396057A1
- Pub. Date
- 2023-12-07
Patent Term Adjustment
-75days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2025-12-12
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Quick Facts
- Patent No.
- US 12,665,412
- App. No.
- 18/452,352
- Filed
- 2023-08-18
- Granted
- 2026-06-23
- Pub. No.
- US20230396057A1
- Examiner
- FAUBERT, SAMANTHA LYNETTE
- Art Unit
- 2838
- PTA
- -75 days
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