Broach Cutter Grinding with Rake Angle Control
US-2025319565-A1 · Oct 16, 2025 · US
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for special purposes (B23D37/14 takes precedence)
for special purposes (B23D37/14 takes precedence) · 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 | B23D37/22 |
| Official title | for special purposes (B23D37/14 takes precedence) |
| Display label | for special purposes (B23D37/14 takes precedence) |
| Total patents | 17 |
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 | 4 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wheel bearing unit for a motor vehicle as well as method for producing a wheel bearing unit
US-11840114-B2 · Dec 12, 2023 · US
Methods of shaping slots with computer numerical controlled machining centers
US-11285552-B2 · Mar 29, 2022 · US
Wheel bearing unit for a motor vehicle as well as method for producing a wheel bearing unit
US-2021138834-A1 · May 13, 2021 · US
Methods of shaping slots with computer numerical controlled machining centers
US-2021094108-A1 · Apr 1, 2021 · US
Entrance and exit chip rings for balancing broach forces
US-10399158-B2 · Sep 3, 2019 · US
Method and tool for producing a surface of predetermined roughness
US-10259059-B2 · Apr 16, 2019 · US
Entrance and exit chip rings for balancing broach forces
US-2019061026-A1 · Feb 28, 2019 · US
Method and tool for producing an exact-fit cylindrical bore by removal of material from an existing bore with a finishing allowance
US-9919389-B2 · Mar 20, 2018 · US
Textured ball tracks in tripot type housings
US-2017276185-A1 · Sep 28, 2017 · US
Method and tool for producing a surface of predetermined roughness
US-9643265-B2 · May 9, 2017 · US
Field-portable hole broaching machines and methods for using the same
US-9434014-B1 · Sep 6, 2016 · US
Apparatus for broaching repair of turbine rotor steeples
US-9435205-B2 · Sep 6, 2016 · US
Apparatus for broaching repair of turbine rotor steeples
US-2015292329-A1 · Oct 15, 2015 · US
Robust method for skiving and corresponding apparatus comprising a skiving tool
US-9120165-B2 · Sep 1, 2015 · US
Apparatus for broaching repair of turbine rotor steeples
US-9108256-B2 · Aug 18, 2015 · US
Method and tool for producing an exact-fit cylindrical bore by removal of material from an existing bore with a finishing allowance
US-2015158132-A1 · Jun 11, 2015 · US