Patent Application
Utility
App. No. 18/962,454
· Confirmation No. 1881
Controlling Silicon Carbide Crystal Growth with Baffles
Inventors:
Adrian Roger Powell, Valeri Fedorovich Tsvetkov, Caleb Andrew Kent, Brian Bennett Haidet, Steven Herbert Griffiths, Benjamin Lefler Layne, Jonathan Karl Meyers, Yuri I. Khlebnikov, Varad Rajan Sakhalkar
Applicant:
Wolfspeed, Inc.
Docketed New Case - Ready for Examination
View Publication ↗
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| 2026-08-20 | IDS.R197.REL |
Letter specifying the conditions for filing under 37 CFR 1.97 | — | View | |
| 2026-08-20 | FOR |
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| 2026-08-20 | IDS.R197.REL |
Letter specifying the conditions for filing under 37 CFR 1.97 | 3 | View | |
| 2026-08-20 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 2 | View | |
| 2026-08-20 | FOR |
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| 2026-08-20 | N417 |
Electronic Filing System Acknowledgment Receipt | 4 | View | |
| 2026-05-28 | NTC.PUB |
Notice of Publication | 1 | View | |
| 2026-04-06 | 136A |
Authorization for Extension of Time all replies | 2 | View | |
| 2026-04-06 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-04-06 | OATH |
Oath or Declaration filed | 3 | View | |
| 2025-04-18 | IDS.R197.REL |
Letter specifying the conditions for filing under 37 CFR 1.97 | — | View | |
| 2025-04-18 | FOR |
Foreign Reference | 16 | View | |
| 2025-04-18 | FOR |
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| 2025-04-18 | IDS.R197.REL |
Letter specifying the conditions for filing under 37 CFR 1.97 | 3 | View | |
| 2025-04-18 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 2 | View | |
| 2025-04-18 | N417 |
Electronic Filing System Acknowledgment Receipt | 3 | View | |
| 2025-04-18 | FOR |
Foreign Reference | 17 | View | |
| 2025-04-18 | FOR |
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| 2025-04-18 | FOR |
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| 2025-04-18 | FOR |
Foreign Reference | 29 | View | |
| 2025-04-14 | IDS.R197.REL |
Letter specifying the conditions for filing under 37 CFR 1.97 | — | View | |
| 2025-04-14 | N417 |
Electronic Filing System Acknowledgment Receipt | 4 | View | |
| 2025-04-14 | FOR |
Foreign Reference | 50 | View | |
| 2025-04-14 | IDS.R197.REL |
Letter specifying the conditions for filing under 37 CFR 1.97 | 3 | View | |
| 2025-04-14 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 2 | View | |
| 2025-04-14 | FOR |
Foreign Reference | 33 | View | |
| 2025-01-15 | PET.SEMI.D |
Semiconductor Petition Dismissed/Denied | 2 | View | |
| 2024-12-06 | APP.FILE.REC |
Filing Receipt | 4 | View | |
| 2024-12-06 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2024-12-06 | M327 |
Miscellaneous Communication to Applicant - No Action Count | 1 | View | |
| 2024-12-06 | WELCOME.LET |
Welcome Letter from USPTO Director and Deputy Director | 1 | View | |
| 2024-11-27 | TRNA |
Transmittal of New Application | — | View | |
| 2024-11-27 | APP.TEXT |
Application body structured text document | — | View | |
| 2024-11-27 | DRW.SUPP |
Drawings-black and white line and/or other drawings | — | View | |
| 2024-11-27 | N417 |
Electronic Filing System Acknowledgment Receipt | 3 | View | |
| 2024-11-27 | ADS |
Application Data Sheet | 11 | View | |
| 2024-11-27 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2024-11-27 | TRNA |
Transmittal of New Application | 1 | View | |
| 2024-11-27 | PA.. |
Power of Attorney | 2 | View | |
| 2024-11-27 | 136A |
Authorization for Extension of Time all replies | 1 | View | |
| 2024-11-27 | TRAN.LET |
Transmittal Letter | 1 | View | |
| 2024-11-27 | SPEC |
Specification | 68 | View | |
| 2024-11-27 | CLM |
Claims | 3 | View | |
| 2024-11-27 | ABST |
Abstract | 1 | View | |
| 2024-11-27 | DRW |
Drawings-only black and white line drawings | 44 | View | |
| 2024-11-27 | PET.SEMI |
Petition for Semiconductor Pilot | 3 | View | |
| 2024-11-27 | SCORE |
Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) | 1 | View |
Inventors
Adrian Roger Powell
Cary, NC
Valeri Fedorovich Tsvetkov
Durham, NC
Caleb Andrew Kent
Durham, NC
Brian Bennett Haidet
Raleigh, NC
Steven Herbert Griffiths
Morrisville, NC
Benjamin Lefler Layne
Durham, NC
Jonathan Karl Meyers
Cary, NC
Yuri I. Khlebnikov
Raleigh, NC
Varad Rajan Sakhalkar
Cary, NC
Attorneys & Agents of Record
Classification
USPC
117/84
C30B23/002
C30B29/36
C30B23/005
C30B23/025
C30B23/066
C30B35/002
Prosecution
- Examiner
- SONG, MATTHEW J
- Art Unit
- 1714
- Customer No.
- 22827
- Docket No.
- WFSP-201
- Confirmation No.
- 1881
Publication
- Pub. No.
- US20260146360A1
- Pub. Date
- 2026-05-28
Child
PCT
International (PCT) Stage
→
PCT/US2025/056607
Filed 2025-11-21
· RO PROCESSING COMPLETED-PLACED IN STORAGE
Child
PCT
International (PCT) Stage
→
PCT/US2025/056601
Filed 2025-11-21
· RO PROCESSING COMPLETED-PLACED IN STORAGE
Child
is a Continuation in-part of
→
App. 19/341,950
Filed 2025-09-26
· Docketed New Case - Ready for Examination
Child
is a Continuation in-part of
→
App. 19/239,693
Filed 2025-06-16
· Docketed New Case - Ready for Examination
Child
PCT
International (PCT) Stage
→
PCT/US2025/056612
Filed 2025-11-21
· RO PROCESSING COMPLETED-PLACED IN STORAGE
from
GRIFFITHS, STEVEN HERBERT,
KENT, CALEB ANDREW,
LAYNE, BENJAMIN LEFLER,
MEYERS, JONATHAN KARL,
POWELL, ADRIAN ROGER,
SAKHALKAR, VARAD RAJAN,
HAIDET, BRIAN BENNETT,
KHLEBNIKOV, YURI I.,
TSVETKOV, VALERI FEDOROVICH
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2026-04-06
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2026-03-26
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2025-09-30
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2025-09-30
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2025-09-30
from
WOLFSPEED, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY
Recorded 2025-09-30
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Quick Facts
- App. No.
- 18/962,454
- Filed
- 2024-11-27
- Pub. No.
- US20260146360A1
- Examiner
- SONG, MATTHEW J
- Art Unit
- 1714
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