Method and device for clearing debris from a machining spindle
US-2024367236-A1 · Nov 7, 2024 · US
Turning-machines with two or more working-spindles, e.g. in fixed arrangement
Turning-machines with two or more working-spindles, e.g. in fixed arrangement · 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 | B23B3/30 |
| Official title | Turning-machines with two or more working-spindles, e.g. in fixed arrangement |
| Display label | Turning-machines with two or more working-spindles, e.g. in fixed arrangement |
| Total patents | 125 |
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 | 7 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 17 |
| 2020 | 15 |
| 2021 | 18 |
| 2022 | 22 |
| 2023 | 14 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Machine tool
US-2021346964-A1 · Nov 11, 2021 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-11112537-B2 · Sep 7, 2021 · US
Structurally-colored articles and methods of making and using structurally-colored articles
US-2021165131-A1 · Jun 3, 2021 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-2021149083-A1 · May 20, 2021 · US
Structurally-colored articles and methods of making and using structurally-colored articles
US-10955587-B2 · Mar 23, 2021 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-10928553-B2 · Feb 23, 2021 · US
Machine tool
US-2021008630-A1 · Jan 14, 2021 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-2020371272-A1 · Nov 26, 2020 · US
Lathe
US-2020368821-A1 · Nov 26, 2020 · US
Structurally-colored articles and methods of making and using structurally-colored articles
US-2020275728-A1 · Sep 3, 2020 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-2020269561-A1 · Aug 27, 2020 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-10732322-B2 · Aug 4, 2020 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-2020217987-A1 · Jul 9, 2020 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-2020217986-A1 · Jul 9, 2020 · US
Machine tool
US-2020198016-A1 · Jun 25, 2020 · US
Lathe with tool unit mounted thereto
US-2020180036-A1 · Jun 11, 2020 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-10649113-B2 · May 12, 2020 · US
Three-dimensionally stretchable single crystalline semiconductor membrane
US-2020123677-A1 · Apr 23, 2020 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-2020088908-A1 · Mar 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23B3/30?
- CPC B23B3/30 is the Cooperative Patent Classification code for “Turning-machines with two or more working-spindles, e.g. in fixed arrangement.”
- How many patents are filed under CPC B23B3/30 (Turning-machines with two or more working-spindles, e.g. in fixed arrangement)?
- Our database includes 125 publications tagged with this CPC code.
- Is patent activity under CPC B23B3/30 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).