Asphaltic sheet materials including expandable graphite
US-12343957-B2 · Jul 1, 2025 · US
next to a particulate layer
next to a particulate layer · 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 | B32B11/12 |
| Official title | next to a particulate layer |
| Display label | next to a particulate layer |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 11 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Roofing shingle
US-2024401334-A1 · Dec 5, 2024 · US
Roofing materials including a layer of a parting agent
US-2024368890-A1 · Nov 7, 2024 · US
Roofing shingle
US-12084865-B2 · Sep 10, 2024 · US
Roofing materials including a layer of a parting agent
US-12065835-B2 · Aug 20, 2024 · US
Roofing shingle
US-2023167640-A1 · Jun 1, 2023 · US
Roofing shingle
US-11555311-B2 · Jan 17, 2023 · US
Asphaltic sheet materials including expandable graphite
US-2022126547-A1 · Apr 28, 2022 · US
Asphaltic sheet materials including expandable graphite
US-11230085-B2 · Jan 25, 2022 · US
Asphaltic sheet materials including expandable graphite
US-11065841-B2 · Jul 20, 2021 · US
Roofing materials including a layer of a parting agent
US-2021164228-A1 · Jun 3, 2021 · US
Roofing shingle
US-2021047833-A1 · Feb 18, 2021 · US
Roofing shingle
US-10858833-B2 · Dec 8, 2020 · US
Construction boards with coated inorganic facer
US-2020011050-A1 · Jan 9, 2020 · US
Construction boards with coated inorganic facer
US-10450741-B2 · Oct 22, 2019 · US
Polymer modified asphalt roofing material
US-2019186144-A1 · Jun 20, 2019 · US
Asphaltic sheet materials including expandable graphite
US-2018326702-A1 · Nov 15, 2018 · US
Construction boards with coated inorganic facer
US-2018320366-A1 · Nov 8, 2018 · US
Asphaltic sheet materials including expandable graphite
US-10011092-B2 · Jul 3, 2018 · US
Construction boards with coated inorganic facer
US-10000922-B1 · Jun 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B32B11/12?
- CPC B32B11/12 is the Cooperative Patent Classification code for “next to a particulate layer.”
- How many patents are filed under CPC B32B11/12 (next to a particulate layer)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC B32B11/12 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).