F05D 2250/181
Ridged
Official title: ridged
F05D2250/181 (Ridged) appears on 92 US grants and 110 published applications in this corpus.
Search patents in F05D- Granted patents
- 92
- Published applications
- 110
- Assignees
- 55
- Inventors
- 300
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 5 |
| 2011 | 1 | 3 |
| 2012 | 2 | 0 |
| 2013 | 1 | 2 |
| 2014 | 3 | 2 |
| 2015 | 7 | 6 |
| 2016 | 2 | 12 |
| 2017 | 3 | 7 |
| 2018 | 5 | 11 |
| 2019 | 15 | 7 |
| 2020 | 3 | 12 |
| 2021 | 13 | 3 |
| 2022 | 4 | 11 |
| 2023 | 4 | 3 |
| 2024 | 7 | 9 |
| 2025 | 11 | 4 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Balance drums and systems for managing axial forces for pumps and related systems and methods24 Mar 2026US 12,584,488 B2Flowserve US Company
- Sealing strip element and sealing arrangement comprising said sealing strip element3 Feb 2026US 12,540,674 B2Siemens Energy Global GmbH & Co. KG
- Device to reduce turbulent flow skin friction using carbon dioxide, riblets, and suction holes9 Dec 2025US 12,492,717 B1
- Inlet component for a slurry pump11 Nov 2025US 12,467,472 B2Weir Minerals Australia Ltd.
- Turbine engine with reduced cross flow airfoils23 Sep 2025US 12,421,853 B2GE Avio S. r. l.
- Blower6 Aug 2026US 2026/0226913 A1Carrier Japan 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
- Gas detection system23 Jul 2026US 2026/0210924 A1GE Vernova Infrastructure Technology LLC
- 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
- Ribbed turbine blade tip65US 5,997,251 AGeneral Electric Company · 1999
- Micro-grooved heat transfer wall44US 5,337,568 AGeneral Electric Company · 1994
- Profiled surface used as an abradable in flow machines40US 6,457,939 B2Sulzer Metco AG · 2002
- Dirt particle separator device for use in a gas turbine engine22US 8,943,791 B2ROLLS-ROYCE plc · 2015
- Annular wiper for a sealing labyrinth, and its method of manufacture20US 7,857,581 B2Snecma · 2010