Manufacturing method of gear
US-2026042140-A1 · Feb 12, 2026 · US
Milling helical grooves, e.g. in making twist-drills
Milling helical grooves, e.g. in making twist-drills · 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 | B23C3/32 |
| Official title | Milling helical grooves, e.g. in making twist-drills |
| Display label | Milling helical grooves, e.g. in making twist-drills |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing screw rotor
US-12383966-B2 · Aug 12, 2025 · US
Method for manufacturing screw rotor, screw rotor, and screw compressor
US-2025018458-A1 · Jan 16, 2025 · US
Systems and methods for electromagnetic forming of containers
US-2023201904-A1 · Jun 29, 2023 · US
Systems and methods for electromagnetic forming of containers
US-11596994-B2 · Mar 7, 2023 · US
Systems and methods for electromagnetic forming of containers
US-2022270797-A1 · Aug 25, 2022 · US
Systems and methods for electromagnetic forming of containers
US-11335486-B2 · May 17, 2022 · US
Groove-forming method, control device for machine tool and tool path generating device
US-10569348-B2 · Feb 25, 2020 · US
Method for machining of ball tracks of inner races of constant velocity joints
US-2019366455-A1 · Dec 5, 2019 · US
Power steering apparatus and method of manufacturing power steering apparatus
US-10464593-B2 · Nov 5, 2019 · US
Bit for drilling with casing or liner string and manufacture thereof
US-10428584-B2 · Oct 1, 2019 · US
Systems and methods for electromagnetic forming of containers
US-2018354016-A1 · Dec 13, 2018 · US
Systems and methods for electromagnetic forming of containers
US-10081045-B2 · Sep 25, 2018 · US
Bit for drilling with casing or liner string and manufacture thereof
US-2018016847-A1 · Jan 18, 2018 · US
Method of manufacturing stylus and stylus
US-9855612-B2 · Jan 2, 2018 · US
Power steering apparatus and method of manufacturing power steering apparatus
US-2017174253-A1 · Jun 22, 2017 · US
System and method for simultaneously forming flutes in solid carbide tools
US-9656331-B2 · May 23, 2017 · US
Long reach spindle drive systems and method
US-9604289-B2 · Mar 28, 2017 · US
Systems and methods for electromagnetic forming of containers
US-2017050230-A1 · Feb 23, 2017 · US
Method of manufacturing stylus and stylus
US-2016349035-A1 · Dec 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23C3/32?
- CPC B23C3/32 is the Cooperative Patent Classification code for “Milling helical grooves, e.g. in making twist-drills.”
- How many patents are filed under CPC B23C3/32 (Milling helical grooves, e.g. in making twist-drills)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B23C3/32 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).