F05D 2240/31
With roughened surfaces
Official title: with roughened surfaces
F05D2240/31 (With roughened surfaces) appears on 38 US grants and 39 published applications in this corpus.
Search patents in F05D- Granted patents
- 38
- Published applications
- 39
- Assignees
- 29
- Inventors
- 130
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 4 |
| 2015 | 0 | 4 |
| 2016 | 1 | 4 |
| 2017 | 1 | 3 |
| 2018 | 2 | 3 |
| 2019 | 4 | 3 |
| 2020 | 1 | 2 |
| 2021 | 4 | 1 |
| 2022 | 2 | 3 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Suction side micro-riblet patches for a turbine airfoil30 Sep 2025US 12,428,963 B1General Electric Company
- Blower fan13 May 2025US 12,297,840 B2Denso Corporation
- Method for producing steam turbine member9 Jul 2024US 12,031,454 B2Fuji Electric Co., Ltd.
- Turbine engine with an airfoil having a set of dimples19 Mar 2024US 11,933,193 B2GE Avio S. r. l.
- Impeller design and manufacturing method with pentagonal channel geometry13 Sep 2022US 11,441,572 B2Hamilton Sundstrand Corporation
- Aeronautical thruster23 Jul 2026US 2026/0208853 A1Centre National de la Recherche Scientifique (CNRS)
- Airfoil assembly having a cap16 Jul 2026US 2026/0201898 A1General Electric Company
- Turbine blade outermost abrasive layer using graded ceramics23 Apr 2026US 2026/0110096 A1GE Infrastructure Technology LLC
- Fan unit and outdoor unit15 Jan 2026US 2026/0016022 A1Daikin Industries, Ltd.
- Axial fan31 Jul 2025US 2025/0243880 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Surface of a body exposed to circumfluent fluid41US 5,860,626 A1999
- Steam turbine and blade or vane for a steam turbine35US 6,213,711 B1Siemens Aktiengesellschaft · 2001
- Flow directing element for the turbine of a rotary machine and method of operation therefor34US 5,209,644 AUnited Technologies Corporation · 1993
- Process for forming a surface for contact with a flowing fluid and body with such surface regions29US 6,092,766 AUlrich LaRoche · 2000
- Blade for centrifugal flow fan23US 5,169,290 ACarrier Corporation · 1992