Coating of a system and an associated method thereof
US-2018372151-A1 · Dec 27, 2018 · US
Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16C33/12 |
| Official title | Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing |
| Display label | Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing |
| Total patents | 219 |
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 | 7 |
| 2016 | 18 |
| 2017 | 22 |
| 2018 | 17 |
| 2019 | 21 |
| 2020 | 24 |
| 2021 | 36 |
| 2022 | 20 |
| 2023 | 18 |
| 2024 | 20 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refrigerant compressor and refrigerating device including same
US-2018340717-A1 · Nov 29, 2018 · US
Plain bearing assembly of a rotational element on a bearing pin
US-10107333-B2 · Oct 23, 2018 · US
Bearing arrangement
US-2018298948-A1 · Oct 18, 2018 · US
Sliding member and slide bearing
US-10100874-B2 · Oct 16, 2018 · US
Hydrodynamic bearing, and X-ray tube, and X-ray system, and a method for manufacturing a hydrodynamic bearing,
US-10094425-B2 · Oct 9, 2018 · US
Sliding member and slide bearing
US-2018258993-A1 · Sep 13, 2018 · US
Fluid dynamic bearing device, and bearing member and shaft member for use in same
US-10030696-B2 · Jul 24, 2018 · US
Multilayered sliding member
US-2018200994-A1 · Jul 19, 2018 · US
Polyacetal resin composition and sliding member
US-9969875-B2 · May 15, 2018 · US
Multilayered sliding member and rack-and-pinion type steering apparatus for automobile using the same
US-2018118251-A1 · May 3, 2018 · US
Machine component and production method therefor
US-2018056394-A1 · Mar 1, 2018 · US
Polyacetal resin composition and sliding member
US-2018037732-A1 · Feb 8, 2018 · US
Plain bearing assembly of a rotational element on a bearing bolt, in particular of a planetary gear on a planetary gear bolt of a planetary gearbox
US-2017356493-A1 · Dec 14, 2017 · US
Sliding component and method
US-2017350031-A1 · Dec 7, 2017 · US
Copper alloy for bearing and bearing
US-2017321302-A1 · Nov 9, 2017 · US
Copper alloy for bearing and bearing
US-2017314098-A1 · Nov 2, 2017 · US
Method for machining a surface of a metal component, and metal component
US-2017284454-A1 · Oct 5, 2017 · US
Self-lubricating oscillating pin joint
US-9765808-B2 · Sep 19, 2017 · US
Bearing bush and pedal device having the bearing bush
US-2017262010-A1 · Sep 14, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16C33/12?
- CPC F16C33/12 is the Cooperative Patent Classification code for “Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing.”
- How many patents are filed under CPC F16C33/12 (Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing)?
- Our database includes 219 publications tagged with this CPC code.
- Is patent activity under CPC F16C33/12 growing?
- Publication counts under this code: 20 in 2024 vs 14 in 2025 (latest complete years).