Razor blade and composition for a razor blade
US-12240136-B2 · Mar 4, 2025 · US
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safety razor blades
safety razor blades · 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 | B21D53/645 |
| Official title | {safety razor blades} |
| Display label | safety razor blades |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 7 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manufacturing a razor cartridge component
US-2024326274-A1 · Oct 3, 2024 · US
Razor blade and composition for a razor blade
US-2022250266-A1 · Aug 11, 2022 · US
Laser welded razor blades
US-2022001561-A1 · Jan 6, 2022 · US
Method of manufacturing bent razor blades
US-10625331-B2 · Apr 21, 2020 · US
Method of manufacturing a razor head component
US-10442096-B2 · Oct 15, 2019 · US
Method of making a bent razor blade
US-10413962-B2 · Sep 17, 2019 · US
Method of making a bent razor blade
US-2018257126-A1 · Sep 13, 2018 · US
Razor blades
US-2018170084-A1 · Jun 21, 2018 · US
Bent razor blades and manufacturing of such razor blades
US-2018126574-A1 · May 10, 2018 · US
Bent razor blades and manufacturing of such razor blades
US-9868221-B2 · Jan 16, 2018 · US
Razor blade steel
US-2016361828-A1 · Dec 15, 2016 · US
Cutting members for shaving razors
US-9446443-B2 · Sep 20, 2016 · US
Method and apparatus for the manufacture of razor head component, and components thus manufactured
US-9440282-B2 · Sep 13, 2016 · US
Method of making a bent razor blade
US-2016167104-A1 · Jun 16, 2016 · US
Razor cartridge and mechanical razor comprising such a cartridge
US-2016114493-A1 · Apr 28, 2016 · US
Razor cartridge and mechanical razor comprising such a cartridge
US-9289909-B2 · Mar 22, 2016 · US
Razor blade unit
US-9227331-B2 · Jan 5, 2016 · US