Control device for machine tool
US-12440909-B2 · Oct 14, 2025 · US
Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth · 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 | B23F23/12 |
| Official title | Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth |
| Display label | Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 11 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Machine tool and method
US-2025312859-A1 · Oct 9, 2025 · US
Gear machining apparatus
US-12350749-B2 · Jul 8, 2025 · US
Grinding machine for gear grinding
US-2025065426-A1 · Feb 27, 2025 · US
Method for detecting phase on gear, method for producing gear, method for detecting position on edge of workpiece, and machine tool for detecting phase on gear
US-11933638-B2 · Mar 19, 2024 · US
Clamping device with planar contact
US-11660729-B2 · May 30, 2023 · US
Control device for machine tool
US-2023133532-A1 · May 4, 2023 · US
Reverse face angle gear cutter and coolant delivery assembly
US-2022234125-A1 · Jul 28, 2022 · US
Machine tool and gear machining method
US-11383313-B2 · Jul 12, 2022 · US
Method for machining gear wheel workpieces
US-11305362-B2 · Apr 19, 2022 · US
Method for calibrating a measuring probe in a gear cutting machine
US-11268800-B2 · Mar 8, 2022 · US
Method and apparatus for hard finishing modified gears
US-11253937-B2 · Feb 22, 2022 · US
Method for manufacturing of gears
US-2021402495-A1 · Dec 30, 2021 · US
Gear machining apparatus
US-2021331261-A1 · Oct 28, 2021 · US
Gear machining apparatus and gear machining method
US-11059115-B2 · Jul 13, 2021 · US
Method for detecting phase on gear, method for producing gear, method for detecting position on edge of workpiece, and machine tool for detecting phase on gear
US-2020370923-A1 · Nov 26, 2020 · US
Clamping device with planar contact
US-2020316755-A1 · Oct 8, 2020 · US
Method of producing a workpiece having a modified gearing geometry
US-10773356-B2 · Sep 15, 2020 · US
Method for machining gear wheel workpieces
US-2020246890-A1 · Aug 6, 2020 · US
Method for the automatic determination of the geometrical dimensions of a tool in a gear cutting machine
US-10722994-B2 · Jul 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23F23/12?
- CPC B23F23/12 is the Cooperative Patent Classification code for “Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth.”
- How many patents are filed under CPC B23F23/12 (Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC B23F23/12 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).