Method of electropolishing
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United States of America Patent
Stats
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May 14, 2024
Grant Date -
Dec 29, 2022
app pub date -
Jun 16, 2022
filing date -
Jun 16, 2022
priority date (Note) -
In Force
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Importance

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Abstract
A method of electropolishing an internal passageway of a component, wherein the passageway has an inlet and an outlet; including: providing an electrode assembly including a flexible electrode, a shuttle and a guide cable extending between the flexible electrode and the shuttle; inserting the shuttle into the inlet; causing fluid to flow through the passageway to transport the shuttle through the passageway from the inlet towards the outlet; pulling the guide cable through the passageway to position the electrode in the passageway adjacent to a region of the passageway to be polished; and electropolishing the passageway using the electrode while moving the electrode within the passageway. Also, an electrode assembly for electropolishing an internal passageway of a component, including: a flexible electrode, a shuttle, and a guide cable extending between the flexible electrode and the shuttle.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
GB | D0 | GB202109053 | Jun 24, 2021 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
Patent application filed (unpublished application) | A method of electropolishing | Jan 01, 1970 | |||
EP | A1 | EP4112785 | Jun 16, 2022 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
APPLICATION PUBLISHED WITH SEARCH REPORT | A METHOD OF ELECTROPOLISHING | Jan 04, 2023 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
ROLLS-ROYCE PLC | LONDON SW1E 6AT |
International Classification(s)

- 2022 Application Filing Year
- B22F Class
- 1034 Applications Filed
- 350 Patents Issued To-Date
- 33.85 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Clark, Daniel | Derby, GB | 109 | 699 |
# of filed Patents : 109 Total Citations : 699 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- B22F Class
- 0 % this patent is cited more than
- 1 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Nov 14, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 14, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 14, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Dec 29, 2022 | P | Published | |
Jul 20, 2022 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: DOCKETED NEW CASE - READY FOR EXAMINATION |
Jun 16, 2022 | F | Filing | |
Jun 16, 2022 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Aug 04, 2021 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CLARK, DANIEL;REEL/FRAME:060230/0575 Owner name: ROLLS-ROYCE PLC, UNITED KINGDOM Effective Date: Aug 04, 2021 |
Jun 24, 2021 | PD | Priority Date |

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