Method for permanently bonding wafers by a connecting layer by means of solid state diffusion or phase transformation
US-10163681-B2 · Dec 25, 2018 · US
Isostatic pressure welding
Isostatic pressure welding · 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 | B23K20/021 |
| Official title | {Isostatic pressure welding} |
| Display label | Isostatic pressure welding |
| Total patents | 151 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 22 |
| 2017 | 14 |
| 2018 | 17 |
| 2019 | 25 |
| 2020 | 19 |
| 2021 | 6 |
| 2022 | 12 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite component having angled braze joint, coupon brazing method and related storage medium
US-2018339354-A1 · Nov 29, 2018 · US
Corrosion resistant bimetallic tube manufactured by a two-step process
US-10118259-B1 · Nov 6, 2018 · US
Method of making a dual hardness steel article
US-10113211-B2 · Oct 30, 2018 · US
Method of Bonding a Metallic Component to a Non-Metallic Component Using a Compliant Material
US-2018297900-A1 · Oct 18, 2018 · US
Steel-vanadium alloy cladding for fuel element
US-2018233238-A1 · Aug 16, 2018 · US
Assembly, treated article, and process of treating a turbine component
US-2018195398-A1 · Jul 12, 2018 · US
Method of bonding a metallic component to a non-metallic component using a compliant material
US-9969654-B2 · May 15, 2018 · US
Golf club face plates with internal cell lattices and related methods
US-2018117424-A1 · May 3, 2018 · US
Bearing component
US-2018099351-A1 · Apr 12, 2018 · US
Golf club face plates with internal cell lattices
US-9878217-B2 · Jan 30, 2018 · US
Method of making a metal reinforcing member for a blade of a turbine engine
US-9874103-B2 · Jan 23, 2018 · US
Dual alloy turbine rotors and methods for manufacturing the same
US-2017304929-A1 · Oct 26, 2017 · US
Method of manufacturing a leading edge shield
US-2017274470-A1 · Sep 28, 2017 · US
Methods for directly bonding silicon to silicon or silicon carbide to silicon carbide
US-9741685-B2 · Aug 22, 2017 · US
Dual alloy turbine rotors and methods for manufacturing the same
US-9724780-B2 · Aug 8, 2017 · US
Hot isostatic pressing system for the assembly of modular components usable in a turbine engine
US-2017203396-A1 · Jul 20, 2017 · US
Method for bonding stainless steel members and stainless steel
US-2017197275-A1 · Jul 13, 2017 · US
Method for bonding stainless steel members and stainless steel
US-2017197276-A1 · Jul 13, 2017 · US
Dual alloy bladed rotors suitable for usage in gas turbine engines and methods for the manufacture thereof
US-2017138206-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K20/021?
- CPC B23K20/021 is the Cooperative Patent Classification code for “Isostatic pressure welding.”
- How many patents are filed under CPC B23K20/021 (Isostatic pressure welding)?
- Our database includes 151 publications tagged with this CPC code.
- Is patent activity under CPC B23K20/021 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).