Treatment process for a centrifugal compressor wheel to extend low-cycle fatigue life
US-2023158618-A1 · May 25, 2023 · US
Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like
Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B21K3/00 |
| Official title | Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like |
| Display label | Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like |
| Total patents | 48 |
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 | 11 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Treatment process for a centrifugal compressor wheel to extend low-cycle fatigue life
US-11648632-B1 · May 16, 2023 · US
Treatment process for a central bore through a centrifugal compressor wheel to create a deep cylindrical zone of compressive residual hoop stress on a fractional portion of the bore length, and compressor wheel resulting therefrom
US-11473588-B2 · Oct 18, 2022 · US
Silencing device, rotary machine, and method for manufacturing silencing device
US-11149750-B2 · Oct 19, 2021 · US
Metal sheet molding method
US-11065664-B2 · Jul 20, 2021 · US
Turbocharger and method for assembling turbocharger
US-10934842-B2 · Mar 2, 2021 · US
Treatment process for a central bore through a centrifugal compressor wheel to create a deep cylindrical zone of compressive residual hoop stress on a fractional portion of the bore length, and compressor wheel resulting therefrom
US-2020400158-A1 · Dec 24, 2020 · US
Method for manufacturing turbomachine member ring supports
US-10773296-B2 · Sep 15, 2020 · US
Bridged bi-aromatic ligands and olefin polymerization catalysts prepared therefrom
US-10654029-B2 · May 19, 2020 · US
Hand-held power tool having a tool receiver
US-10639731-B2 · May 5, 2020 · US
Silencing device, rotary machine, and method for manufacturing silencing device
US-2020096007-A1 · Mar 26, 2020 · US
Metal sheet molding method
US-2019299271-A1 · Oct 3, 2019 · US
Turbocharger and method for assembling turbocharger
US-2019153868-A1 · May 23, 2019 · US
Bridged bi-aromatic ligands and olefin polymerization catalysts prepared therefrom
US-2019111414-A1 · Apr 18, 2019 · US
Forged fuel injector stem
US-10208959-B2 · Feb 19, 2019 · US
Bridged bi-aromatic ligands and olefin polymerization catalysts prepared therefrom
US-10195589-B2 · Feb 5, 2019 · US
Method for Redistributing Residual Stress in an Engine Component
US-2018281134-A1 · Oct 4, 2018 · US
Rolled steel bar for hot forging, hot-forged section material, and common rail and method for producing the same
US-9994943-B2 · Jun 12, 2018 · US
Bridged bi-aromatic ligands and olefin polymerization catalysts prepared therefrom
US-2018147562-A1 · May 31, 2018 · US
Hot-forged section material and common rail
US-9951403-B2 · Apr 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21K3/00?
- CPC B21K3/00 is the Cooperative Patent Classification code for “Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like.”
- How many patents are filed under CPC B21K3/00 (Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC B21K3/00 growing?
- Publication counts under this code: 1 in 2022 vs 2 in 2023 (latest complete years).