Machining method and machining device
US-11077503-B2 · Aug 3, 2021 · US
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for boring polygonal or other non-circular holes
for boring polygonal or other non-circular holes · 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 | B23B41/04 |
| Official title | for boring polygonal or other non-circular holes |
| Display label | for boring polygonal or other non-circular holes |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 2 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Machining method and machining device
US-2019193168-A1 · Jun 27, 2019 · US
Machining apparatus
US-10220479-B2 · Mar 5, 2019 · US
Drilling milling tool and methods for producing a through-hole
US-10105763-B2 · Oct 23, 2018 · US
Tool spindle having an active magnetic bearing
US-9969038-B2 · May 15, 2018 · US
Round hole machining method and round-hole machining device
US-9914177-B2 · Mar 13, 2018 · US
Round hole machining method and round hole machining device
US-9862034-B2 · Jan 9, 2018 · US
Machining apparatus
US-2017304978-A1 · Oct 26, 2017 · US
Drilling milling tool and methods for producing a through-hole
US-2017239735-A1 · Aug 24, 2017 · US
Piston
US-9494105-B2 · Nov 15, 2016 · US
Tool spindle having an active magnetic bearing
US-2016288283-A1 · Oct 6, 2016 · US
Boring device
US-9399259-B2 · Jul 26, 2016 · US
Round hole machining method and round hole machining device
US-2016167138-A1 · Jun 16, 2016 · US
Round hole machining method and round-hole machining device
US-2016170401-A1 · Jun 16, 2016 · US
Linear actuator and boring device
US-9071120-B2 · Jun 30, 2015 · US
Boring device
US-2015023750-A1 · Jan 22, 2015 · US