Loss circulation compositions (LCM) having portland cement clinker
US-10494561-B2 · Dec 3, 2019 · US
Alkali metal or ammonium silicate cements {; Alkyl silicate cements; Silica sol cements; Soluble silicate cements (alkali metal silicates per se, their preparation C01B33/32; ammonium silicates per se, their preparation C01C1/00)} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B12/04 |
| Official title | Alkali metal or ammonium silicate cements {; Alkyl silicate cements; Silica sol cements; Soluble silicate cements (alkali metal silicates per se, their preparation C01B33/32; ammonium silicates per se, their preparation C01C1/00)} |
| Display label | Alkali metal or ammonium silicate cements {; Alkyl silicate cements; Silica sol cements; Soluble silicate cements (alkali metal silicates per se, their preparation C01B33/32; ammonium silicates per se, their preparation C01C1/00)} |
| Total patents | 136 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 14 |
| 2019 | 23 |
| 2020 | 19 |
| 2021 | 13 |
| 2022 | 13 |
| 2023 | 10 |
| 2024 | 14 |
| 2025 | 4 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10494561-B2 · Dec 3, 2019 · US
US-10479923-B2 · Nov 19, 2019 · US
US-10472282-B2 · Nov 12, 2019 · US
US-10442696-B2 · Oct 15, 2019 · US
US-10435889-B2 · Oct 8, 2019 · US
US-10428521-B2 · Oct 1, 2019 · US
US-10415330-B2 · Sep 17, 2019 · US
US-10414967-B2 · Sep 17, 2019 · US
US-2019249429-A1 · Aug 15, 2019 · US
US-2019249430-A1 · Aug 15, 2019 · US
US-10370579-B2 · Aug 6, 2019 · US
US-10323165-B2 · Jun 18, 2019 · US
US-10307749-B2 · Jun 4, 2019 · US
US-10308552-B2 · Jun 4, 2019 · US
US-10301529-B2 · May 28, 2019 · US
US-10287479-B2 · May 14, 2019 · US
US-2019105703-A1 · Apr 11, 2019 · US
US-10246626-B2 · Apr 2, 2019 · US
US-10214452-B2 · Feb 26, 2019 · US
US-10214449-B2 · Feb 26, 2019 · US
Answers are generated from the same data shown on this page.