F05D 2250/182
Crenellated, notched
Official title: crenellated, notched
F05D2250/182 (Crenellated, notched) appears on 340 US grants and 383 published applications in this corpus.
Search patents in F05D- Granted patents
- 340
- Published applications
- 383
- Assignees
- 106
- Inventors
- 915
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 4 |
| 2004 | 2 | 3 |
| 2005 | 2 | 5 |
| 2006 | 4 | 8 |
| 2007 | 4 | 12 |
| 2008 | 2 | 6 |
| 2009 | 3 | 8 |
| 2010 | 10 | 17 |
| 2011 | 10 | 15 |
| 2012 | 11 | 10 |
| 2013 | 8 | 8 |
| 2014 | 13 | 14 |
| 2015 | 11 | 16 |
| 2016 | 10 | 47 |
| 2017 | 11 | 28 |
| 2018 | 29 | 37 |
| 2019 | 41 | 26 |
| 2020 | 37 | 22 |
| 2021 | 25 | 22 |
| 2022 | 28 | 22 |
| 2023 | 14 | 15 |
| 2024 | 22 | 21 |
| 2025 | 22 | 5 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Piston seal ring10 Mar 2026US 12,571,472 B2Rtx Corporation
- Treatment of non-axisymmetric casing with controlled opening10 Feb 2026US 12,546,336 B2Safran
- Sealing strip element and sealing arrangement comprising said sealing strip element3 Feb 2026US 12,540,674 B2Siemens Energy Global GmbH & Co. KG
- In situ balancing mass(es) for aircraft powerplant6 Jan 2026US 12,516,605 B1Pratt & Whitney Canada Corp.
- Fully stabilized zirconia in a seal system4 Nov 2025US 12,460,554 B2Siemens Energy Global GmbH & Co. KG
- Vaned impeller for aircraft turbomachine, comprising a dynamic damping device made using a member for reconstituting a gas circulation path13 Aug 2026US 2026/0235033 A1Safran Aircraft Engines
- Aeronautical thruster23 Jul 2026US 2026/0208853 A1Centre National de la Recherche Scientifique (CNRS)
- Ring segment for gas turbine engine23 Jul 2026US 2026/0210262 A1Siemens Energy Global GmbH & Co. KG
- Cmc component with cover plate23 Jul 2026US 2026/0210263 A1Rtx Corporation
- Turbine blade9 Jul 2026US 2026/0193988 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- High pressure gas generator rotor tie rod system for gas turbine engine130US 5,537,814 AGeneral Electric Company · 1996
- Reinforced compressor rotor coupling76US 5,628,621 AGeneral Electric Company · 1997
- Fan with noise reduction74US 4,089,618 ARotron Incorporated · 1978
- Brush seals and combined labyrinth and brush seals for rotary machines73US 6,131,910 AGeneral Electric Company · 2000
- Inlet pre-swirl gas turbine engine48US 10,711,797 B2General Electric Company · 2020