Method of using corrugated zero-degree belt to manufacture tire
US-2019248185-A1 · Aug 15, 2019 · US
Annular breakers
Annular breakers · 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 | B29D30/70 |
| Official title | Annular breakers |
| Display label | Annular breakers |
| Total patents | 131 |
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 | 12 |
| 2016 | 14 |
| 2017 | 15 |
| 2018 | 13 |
| 2019 | 19 |
| 2020 | 9 |
| 2021 | 21 |
| 2022 | 8 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing belt-shaped cord member
US-2019240940-A1 · Aug 8, 2019 · US
Manufacturing method and manufacturing device of tire belt
US-2019202652-A1 · Jul 4, 2019 · US
Manufacturing method and manufacturing device of tire belt
US-2019202160-A1 · Jul 4, 2019 · US
Method for producing a pneumatic vehicle tire
US-10272628-B2 · Apr 30, 2019 · US
Pneumatic tire having a jointless band ply and method for manufacturing same
US-10252574-B2 · Apr 9, 2019 · US
Pneumatic tire
US-10160264-B2 · Dec 25, 2018 · US
Tire with variable shear element
US-2018361692-A1 · Dec 20, 2018 · US
Process and apparatus for manufacturing tyres
US-10155351-B2 · Dec 18, 2018 · US
Method for manufacturing motorcycle tire
US-2018222140-A1 · Aug 9, 2018 · US
Pneumatic tire
US-2018207988-A1 · Jul 26, 2018 · US
Top Reinforcement of Airplane Tire
US-2018186191-A1 · Jul 5, 2018 · US
Method of producing a non-pneumatic support structure
US-2018133993-A1 · May 17, 2018 · US
Method for manufacturing motorcycle tire
US-9962891-B2 · May 8, 2018 · US
Method for manufacturing motorcycle tire
US-9937678-B2 · Apr 10, 2018 · US
Method of producing tire having circumferential reinforcement layer with at least two spirally wound strips
US-9931800-B2 · Apr 3, 2018 · US
Pneumatic tire
US-9895934-B2 · Feb 20, 2018 · US
Pneumatic tire with fused cord
US-2018001706-A1 · Jan 4, 2018 · US
Process for building tyres and tyre obtained thereby
US-2018001584-A1 · Jan 4, 2018 · US
Process and apparatus for manufacturing tyres for vehicle wheels
US-2017320283-A1 · Nov 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29D30/70?
- CPC B29D30/70 is the Cooperative Patent Classification code for “Annular breakers.”
- How many patents are filed under CPC B29D30/70 (Annular breakers)?
- Our database includes 131 publications tagged with this CPC code.
- Is patent activity under CPC B29D30/70 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).