Sliding member
US-2025361458-A1 · Nov 27, 2025 · US
Polyamides
Polyamides · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10M149/18 |
| Official title | Polyamides |
| Display label | Polyamides |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions, methods and uses
US-2025206952-A1 · Jun 26, 2025 · US
Multiphase composite lubricant
US-12312551-B2 · May 27, 2025 · US
Lubricating composition for inhibiting plugging and method of inhibiting plugging using the same
US-12043812-B2 · Jul 23, 2024 · US
Lubricant composition
US-2024110121-A1 · Apr 4, 2024 · US
Multiphase composite lubricant
US-2024093112-A1 · Mar 21, 2024 · US
Polyaspartic acid derivative and preparation method and use thereof as lubricant, and water-based drilling fluid and use thereof
US-11787893-B1 · Oct 17, 2023 · US
Lubricant composition and use of the same as a pipe dope
US-11591539-B2 · Feb 28, 2023 · US
Threaded connection for pipes or tubes and method for producing the threaded connection for pipes or tubes
US-11435014-B2 · Sep 6, 2022 · US
Resin composition and sliding member
US-11421173-B2 · Aug 23, 2022 · US
Threaded connection for pipes or tubes and method for producing the threaded connection for pipes or tubes
US-11391400-B2 · Jul 19, 2022 · US
Sliding element for lubricated sliding system
US-11377554-B2 · Jul 5, 2022 · US
Lubricating Composition for Inhibiting Plugging and Method of Inhibiting Plugging Using the Same
US-2022177803-A1 · Jun 9, 2022 · US
Lubricant composition and use of the same as a pipe dope
US-2021363457-A1 · Nov 25, 2021 · US
Threaded Connection for Pipes or Tubes and Method for Producing the Threaded Connection for Pipes or Tubes
US-2021364119-A1 · Nov 25, 2021 · US
Nitrogen-functionalized olefin polymers for driveline lubricants
US-11180711-B2 · Nov 23, 2021 · US
Sliding member and method for manufacturing same
US-2021317379-A1 · Oct 14, 2021 · US
Polyolefin Dispersants and Methods of Making and Using Thereof
US-2021189030-A1 · Jun 24, 2021 · US
Nitrogen-Functionalized Olefin Polymers for Driveline Lubricants
US-2021130732-A1 · May 6, 2021 · US
Transmission lubricating oil composition
US-10889779-B2 · Jan 12, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10M149/18?
- CPC C10M149/18 is the Cooperative Patent Classification code for “Polyamides.”
- How many patents are filed under CPC C10M149/18 (Polyamides)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C10M149/18 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).