F05D 2250/23
Prismatic
Official title: prismatic
F05D2250/23 (Prismatic) appears on 627 US grants and 717 published applications in this corpus.
Search patents in F05D- Granted patents
- 627
- Published applications
- 717
- Assignees
- 171
- Inventors
- 1,636
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 5 |
| 2003 | 7 | 7 |
| 2004 | 4 | 11 |
| 2005 | 5 | 11 |
| 2006 | 11 | 14 |
| 2007 | 10 | 13 |
| 2008 | 7 | 17 |
| 2009 | 5 | 14 |
| 2010 | 7 | 33 |
| 2011 | 8 | 18 |
| 2012 | 27 | 25 |
| 2013 | 14 | 23 |
| 2014 | 14 | 20 |
| 2015 | 22 | 32 |
| 2016 | 26 | 49 |
| 2017 | 19 | 52 |
| 2018 | 31 | 49 |
| 2019 | 51 | 52 |
| 2020 | 58 | 50 |
| 2021 | 60 | 53 |
| 2022 | 60 | 45 |
| 2023 | 41 | 30 |
| 2024 | 35 | 29 |
| 2025 | 46 | 38 |
| 2026 | 22 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Metal coupon with porous stress-relief section and component with same15 Sep 2026US 12,735,986 B2GE Infrastructure Technology LLC
- Microturbine and method of operation25 Aug 2026US 12,716,363 B1Enerbine Corp
- Variable vane lever arm18 Aug 2026US 12,709,989 B2Rtx Corporation
- Airfoil, turbine blade including the airfoil, and gas turbine including the turbine blade11 Aug 2026US 12,704,070 B2Doosan Enerbility Co., Ltd.
- Multipiece nose cone for open rotor propulsion system16 Jun 2026US 12,654,843 B2Rtx Corporation
- Impeller pump and method24 Sep 2026US 2026/0286970 A1Pentair Flow Technologies, LLC
- Turbine or compressor stage assembly13 Aug 2026US 2026/0235034 A1
- Blading system for axial compressors with axially opposing base merged double triangular prism device blades6 Aug 2026US 2026/0226914 A1Spacerolls Aerospace Technologies Private Limited
- Variable Vane Lever Arm30 Jul 2026US 2026/0218621 A1Rtx Corporation
- Variable Vane Lever Arm30 Jul 2026US 2026/0218623 A1Rtx Corporation
Most cited
By later US patents
- Airfoil shape for arrays of airfoils87US 4,431,376 AUnited Technologies Corporation · 1984
- Double wall bearing cone86US 6,266,954 B1General Electric Company · 2001
- Gas turbine combustor including a diffusion nozzle assembly with a double cylindrical structure70US 5,450,725 AKabushiki Kaisha Toshiba · 1995
- Diffusion-cooled blade tip cap67US 4,893,987 AGeneral Electric Company · 1990
- Rotor blade for a rotary machine61US 7,396,205 B2United Technologies Corporation · 2008