B28B 21/905
Removing from a mandrel
Official title: {Removing from a mandrel}
B28B21/905 (Removing from a mandrel) appears on 5 US grants and 5 published applications in this corpus.
Search patents in B28B- Granted patents
- 5
- Published applications
- 5
- Assignees
- 3
- Inventors
- 5
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Auxetic materials and structures for ceramic matrix composite airfoil mandrels7 Oct 2025US 12,435,008 B2Rtx Corporation
- Multi-piece mandrel for CMC components26 Jul 2022US 11,396,814 B2Raytheon Technologies Corporation
- Process for producing tubular ceramic structures12 Dec 2017US 9,840,025 B2WATT Fuel Cell Corp.
- Process for producing tubular ceramic structures27 Sep 2016US 9,452,548 B2WATT Fuel Cell Corp.
- Process for producing tubular ceramic structures of non-circular cross section18 Feb 2014US 8,652,707 B2WATT Fuel Cell Corp.
- Auxetic materials and structures for ceramic matrix composite airfoil mandrels27 Mar 2025US 2025/0100941 A1Rtx Corporation
- Multi-piece mandrel for cmc components9 Dec 2021US 2021/0381384 A1Raytheon Technologies Corporation
- Process for producing tubular ceramic structures22 Dec 2016US 2016/0368164 A1WATT Fuel Cell Corp.
- Process for producing tubular ceramic structures7 Mar 2013US 2013/0056911 A1WATT Fuel Cell Corp.
- Process for producing tubular ceramic structures of non-circular cross section7 Mar 2013US 2013/0059223 A1WATT Fuel Cell Corp.
Most cited
By later US patents
- Process for producing tubular ceramic structures of non-circular cross section10US 8,652,707 B2WATT Fuel Cell Corp. · 2014
- Multi-piece mandrel for CMC components4US 11,396,814 B2Raytheon Technologies Corporation · 2022
- Process for producing tubular ceramic structures1US 9,452,548 B2WATT Fuel Cell Corp. · 2016