Prefragmented warheads with enhanced performance
US-11614311-B1 · Mar 28, 2023 · US
by casting in several steps
by casting in several steps · 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 | B29C39/021 |
| Official title | {by casting in several steps} |
| Display label | by casting in several steps |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing a metal machining tool and metal machining tool produced thereby
US-11478959-B2 · Oct 25, 2022 · US
Method for producing vehicle replacement parts
US-11478960-B2 · Oct 25, 2022 · US
Optical component and method for the production of same
US-11420364-B2 · Aug 23, 2022 · US
Human tissue models, materials, and methods
US-2022036764-A1 · Feb 3, 2022 · US
Human tissue models, materials, and methods
US-11164482-B2 · Nov 2, 2021 · US
Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures
US-2021283793-A1 · Sep 16, 2021 · US
Prefragmented warheads with enhanced performance
US-11105596-B1 · Aug 31, 2021 · US
Overmolded optical circuits
US-2021229379-A1 · Jul 29, 2021 · US
Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures
US-11059194-B2 · Jul 13, 2021 · US
Vial with non-round seal
US-2021147122-A1 · May 20, 2021 · US
Multi-composition cosmetic products and method for manufacturing same
US-10912718-B2 · Feb 9, 2021 · US
Method of manufacturing light emitting device
US-10825949-B2 · Nov 3, 2020 · US
Method for Producing Vehicle Replacement Parts
US-2020180193-A1 · Jun 11, 2020 · US
Prefragmented warheads with enhanced performance
US-10634472-B1 · Apr 28, 2020 · US
Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures
US-2020086517-A1 · Mar 19, 2020 · US
Method of manufacturing light emitting device
US-2020066933-A1 · Feb 27, 2020 · US
Human Tissue Models, Materials, and Methods
US-2020005678-A1 · Jan 2, 2020 · US
Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures
US-10518429-B2 · Dec 31, 2019 · US
Human tissue models, materials, and methods
US-10438510-B2 · Oct 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C39/021?
- CPC B29C39/021 is the Cooperative Patent Classification code for “by casting in several steps.”
- How many patents are filed under CPC B29C39/021 (by casting in several steps)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC B29C39/021 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).