Alumina-supported vanadium oxide dehydrogenation catalyst
US-10130936-B2 · Nov 20, 2018 · US
Bulk density · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J35/32 |
| Official title | Bulk density |
| Display label | Bulk density |
| Total patents | 225 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 21 |
| 2017 | 20 |
| 2018 | 27 |
| 2019 | 32 |
| 2020 | 26 |
| 2021 | 20 |
| 2022 | 17 |
| 2023 | 15 |
| 2024 | 20 |
| 2025 | 16 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10130936-B2 · Nov 20, 2018 · US
US-2018319719-A1 · Nov 8, 2018 · US
US-10118160-B2 · Nov 6, 2018 · US
US-2018230081-A1 · Aug 16, 2018 · US
US-2018193823-A1 · Jul 12, 2018 · US
US-9993809-B2 · Jun 12, 2018 · US
US-9975109-B2 · May 22, 2018 · US
US-2018104674-A1 · Apr 19, 2018 · US
US-9914677-B2 · Mar 13, 2018 · US
US-2018044262-A1 · Feb 15, 2018 · US
US-2017354955-A1 · Dec 14, 2017 · US
US-9815752-B2 · Nov 14, 2017 · US
US-2017304814-A1 · Oct 26, 2017 · US
US-2017297978-A1 · Oct 19, 2017 · US
US-9782722-B2 · Oct 10, 2017 · US
US-9776180-B2 · Oct 3, 2017 · US
US-9764309-B2 · Sep 19, 2017 · US
US-2017252727-A1 · Sep 7, 2017 · US
US-9744519-B2 · Aug 29, 2017 · US
US-2017233312-A1 · Aug 17, 2017 · US
Answers are generated from the same data shown on this page.