Multilayer grindstone for gear grinding
US-12179278-B2 · Dec 31, 2024 · US
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Grinding discs; Grinding worms (truing grinding tools B24B; grinding tools in general B24D)
Grinding discs; Grinding worms (truing grinding tools B24B; grinding tools in general B24D) · 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 | B23F21/02 |
| Official title | Grinding discs; Grinding worms (truing grinding tools B24B; grinding tools in general B24D) |
| Display label | Grinding discs; Grinding worms (truing grinding tools B24B; grinding tools in general B24D) |
| Total patents | 21 |
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 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Grinding worm, method for producing a grinding worm and use of a grinding worm
US-2024375244-A1 · Nov 14, 2024 · US
Multilayer grindstone for gear grinding
US-2022347774-A1 · Nov 3, 2022 · US
Multilayer grindstone for gear grinding
US-2022331892-A1 · Oct 20, 2022 · US
Topland chamfering of gears
US-11090744-B2 · Aug 17, 2021 · US
Electroplated tool, screw-shaped grindstone for grinding gear, method for manufacturing electroplated tool, and method for manufacturing screw-shaped grindstone for grinding gear
US-10857652-B2 · Dec 8, 2020 · US
Method of producing a workpiece having a modified gearing geometry
US-10773356-B2 · Sep 15, 2020 · US
Device and method for lapping gear wheel pairs
US-2020094334-A1 · Mar 26, 2020 · US
Method of producing a toothed workpiece having a modified surface geometry
US-10583508-B2 · Mar 10, 2020 · US
Method of producing a toothed workpiece having a modified surface geometry
US-10500659-B2 · Dec 10, 2019 · US
Method of producing a toothed workpiece having a modified surface geometry
US-10493546-B2 · Dec 3, 2019 · US
Continuous-generation gear-wheel grinding method
US-10449656-B2 · Oct 22, 2019 · US
Method and apparatus for the gear manufacturing machining of a workpiece by a diagonal generating method
US-10293423-B2 · May 21, 2019 · US
Topland chamfering of gears
US-2019134727-A1 · May 9, 2019 · US
Method for finish machining of a bevel gear in a region of a tooth head, machine for machining bevel gears, and grinding tool for use in association therewith
US-10252360-B2 · Apr 9, 2019 · US
Electroplated tool, screw-shaped grindstone for grinding gear, method for manufacturing electroplated tool, and method for manufacturing screw-shaped grindstone for grinding gear
US-2019015951-A1 · Jan 17, 2019 · US
Method for the gear manufacturing machining of a workpiece by a diagonal generating method
US-9969019-B2 · May 15, 2018 · US
Screw-shaped grindstone for grinding gears and method for grinding gears
US-2017197263-A1 · Jul 13, 2017 · US
Method for finish machining of a bevel gear in a region of a tooth head, machine for machining bevel gears, and grinding tool for use in association therewith
US-2017021437-A1 · Jan 26, 2017 · US
Continuous-generation gear-wheel grinding method
US-2016107291-A1 · Apr 21, 2016 · US