Wire for piston ring, and manufacturing method of piston ring
US-11603929-B2 · Mar 14, 2023 · US
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from metal strip
from metal strip · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23P15/065 |
| Official title | {from metal strip} |
| Display label | from metal strip |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wire for piston ring, and manufacturing method of piston ring
US-2022145990-A1 · May 12, 2022 · US
Method for producing piston ring with recess
US-11047479-B2 · Jun 29, 2021 · US
Method for producing piston ring with recess
US-2020080638-A1 · Mar 12, 2020 · US
Method for producing piston ring with recess
US-10514097-B2 · Dec 24, 2019 · US
Chemical vapor deposition of wear resistant coatings onto piston ring running face, side face, and inner diameter in one coating run
US-9909210-B2 · Mar 6, 2018 · US
Method for producing piston ring with recess
US-2017335965-A1 · Nov 23, 2017 · US
Process for obtaining a piston ring and internal combustion engine
US-2017327918-A1 · Nov 16, 2017 · US
Low tension piston rings and method for manufacturing the same
US-9494233-B2 · Nov 15, 2016 · US
Wire for I-shape oil rings and producing method of the same
US-9409257-B2 · Aug 9, 2016 · US
Low tension piston rings and method for manufacturing the same
US-2016138714-A1 · May 19, 2016 · US
Wire for i-shape oil rings and producing method of the same
US-2016067831-A1 · Mar 10, 2016 · US
Wire for I-shape oil rings and producing method of the same
US-9267461-B2 · Feb 23, 2016 · US
Low tension piston rings and method for manufacturing the same
US-9261190-B2 · Feb 16, 2016 · US