Method for producing a valve seat ring
US-2016375494-A1 · Dec 29, 2016 · US
with Cr, Co, or Ni having a minimum content higher than 5%
with Cr, Co, or Ni having a minimum content higher than 5% · 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 | C22C33/0285 |
| Official title | {with Cr, Co, or Ni having a minimum content higher than 5%} |
| Display label | with Cr, Co, or Ni having a minimum content higher than 5% |
| Total patents | 619 |
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 | 24 |
| 2016 | 43 |
| 2017 | 36 |
| 2018 | 51 |
| 2019 | 81 |
| 2020 | 78 |
| 2021 | 85 |
| 2022 | 81 |
| 2023 | 48 |
| 2024 | 52 |
| 2025 | 30 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Iron-based sintered alloy and method for producing the same
US-2016376687-A1 · Dec 29, 2016 · US
Method of making a polymer ammunition cartridge casing
US-9513096-B2 · Dec 6, 2016 · US
Alloy Powder, and Shot Material for Shot Peening, Powder Metallurgical Composition and Iron-Based Sintered Alloy Using the Same
US-2016346837-A1 · Dec 1, 2016 · US
Precipitation-Hardening Stainless Steel Powder and Sintered Compact Thereof
US-2016333450-A1 · Nov 17, 2016 · US
Corrosion resistant duplex steel alloy, objects made thereof, and method of making the alloy
US-2016325261-A1 · Nov 10, 2016 · US
Corrosion resistant duplex steel alloy, objects made thereof, and method of making the alloy
US-2016319405-A1 · Nov 3, 2016 · US
Sintered alloy and production method therefor
US-2016289804-A1 · Oct 6, 2016 · US
Method of making lightweight polymer ammunition
US-9441930-B2 · Sep 13, 2016 · US
Lightweight polymer ammunition
US-9429407-B2 · Aug 30, 2016 · US
Soft magnetic resin composition and soft magnetic film
US-2016247612-A1 · Aug 25, 2016 · US
Metal powder for powder metallurgy, compound, granulated powder, and sintered body
US-2016228948-A1 · Aug 11, 2016 · US
Metal powder for powder metallurgy, compound, granulated powder, and sintered body
US-2016222496-A1 · Aug 4, 2016 · US
System and method of forming nanostructured ferritic alloy
US-9399223-B2 · Jul 26, 2016 · US
Fuel injector valve
US-9394867-B2 · Jul 19, 2016 · US
Valve seat
US-2016201527-A1 · Jul 14, 2016 · US
Metal powder for powder metallurgy, compound, granulated powder, and sintered body
US-2016199912-A1 · Jul 14, 2016 · US
A novel brazing concept
US-2016175990-A1 · Jun 23, 2016 · US
Metal powder for powder metallurgy, compound, granulated powder, and sintered body
US-2016168671-A1 · Jun 16, 2016 · US
Open-porous metal foam body and a method for fabricating the same
US-9346240-B2 · May 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C33/0285?
- CPC C22C33/0285 is the Cooperative Patent Classification code for “with Cr, Co, or Ni having a minimum content higher than 5%.”
- How many patents are filed under CPC C22C33/0285 (with Cr, Co, or Ni having a minimum content higher than 5%)?
- Our database includes 619 publications tagged with this CPC code.
- Is patent activity under CPC C22C33/0285 growing?
- Publication counts under this code: 52 in 2024 vs 30 in 2025 (latest complete years).