F05D 2250/294
Grooved
Official title: grooved
F05D2250/294 (Grooved) appears on 266 US grants and 335 published applications in this corpus.
Search patents in F05D- Granted patents
- 266
- Published applications
- 335
- Assignees
- 89
- Inventors
- 790
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 7 |
| 2013 | 2 | 9 |
| 2014 | 4 | 10 |
| 2015 | 7 | 24 |
| 2016 | 5 | 30 |
| 2017 | 14 | 30 |
| 2018 | 26 | 29 |
| 2019 | 28 | 30 |
| 2020 | 25 | 33 |
| 2021 | 29 | 24 |
| 2022 | 31 | 23 |
| 2023 | 31 | 34 |
| 2024 | 28 | 18 |
| 2025 | 19 | 18 |
| 2026 | 9 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cooling features for a component of a gas turbine engine6 Oct 2026US 12,753,697 B2Rtx Corporation
- Metal coupon with porous stress-relief section and component with same15 Sep 2026US 12,735,986 B2GE Infrastructure Technology LLC
- Slidable liners in swirl recovery vane structure26 May 2026US 12,638,025 B2Rtx Corporation
- Turbomachine having an improved oil-recovery device12 May 2026US 12,624,647 B2Safran Aircraft Engines
- Circumferential sealing assembly with duct-fed hydrodynamic grooves31 Mar 2026US 12,590,638 B2Stein Seal Company
- Improved variable-pitch stator and method for using such a stator3 Sep 2026US 2026/0258732 A1Safran
- Cover plate retention slot system and method6 Aug 2026US 2026/0226840 A1Rtx Corporation
- 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
- Balance drums and systems for managing axial forces for pumps and related systems and methods16 Jul 2026US 2026/0201891 A1
Most cited
By later US patents
- Cascaded micro-groove aerodynamic drag reducer55US 4,650,138 AInterNorth, Inc. · 1987
- Micro-grooved heat transfer wall44US 5,337,568 AGeneral Electric Company · 1994
- High efficiency turbomachinery blade38US 6,358,012 B1United Technologies Corporation · 2002
- Steam turbine and blade or vane for a steam turbine35US 6,213,711 B1Siemens Aktiengesellschaft · 2001
- Methods of fabricating a coated component using multiple types of fillers27US 8,528,208 B2General Electric Company · 2013