F05D 2300/516
Surface roughness
F05D2300/516 (Surface roughness) appears on 72 US grants and 101 published applications in this corpus.
Search patents in F05D- Granted patents
- 72
- Published applications
- 101
- Assignees
- 56
- Inventors
- 235
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 3 |
| 2015 | 1 | 5 |
| 2016 | 2 | 19 |
| 2017 | 5 | 14 |
| 2018 | 2 | 4 |
| 2019 | 9 | 8 |
| 2020 | 11 | 4 |
| 2021 | 5 | 4 |
| 2022 | 7 | 11 |
| 2023 | 7 | 6 |
| 2024 | 3 | 4 |
| 2025 | 6 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable capacity turbocharger14 Jul 2026US 12,680,467 B2
- Leading edge plating on low pressure compressor vane for weight and strength optimization17 Mar 2026US 12,577,878 B2Pratt & Whitney Canada Corp.
- Method for manufacturing an impeller30 Dec 2025US 12,508,653 B2Cryostar SAS
- Steam turbine member14 Oct 2025US 12,442,307 B2Fuji Electric Co., Ltd.
- Bilayer thermal barrier coatings with an advanced interface23 Sep 2025US 12,421,857 B2Siemens Energy Global GmbH & Co. KG
- Heat shield for a fuel nozzle of a turbine engine13 Aug 2026US 2026/0235289 A1General Electric Company
- Leading edge plating on low pressure compressor vane for weight and strength optimization6 Aug 2026US 2026/0226834 A1Pratt & Whitney Canada Corp.
- Ribbonized tows for optimized improved composite performance5 Feb 2026US 2026/0034707 A1Rtx Corporation
- Surface polishing method for micro inner flow channel, micro inner flow channel part and polishing medium27 Nov 2025US 2025/0360597 A1Aecc Shanghai Commercial Aircraft Engine Manufacturing Co., Ltd.
- Leading edge plating on low pressure compressor vane for weight and strength optimization16 Oct 2025US 2025/0320822 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Casing treatment for a fluid compressor51US 6,231,301 B1United Technologies Corporation · 2001
- Casing treatment for a fluid compressor37US 6,619,909 B2United Technologies Corporation · 2003
- Compressor for an aircraft engine17US 7,207,772 B2Rolls-Royce Deutschland Ltd & Co KG · 2007
- Turbine abradable layer with progressive wear zone having a frangible or pixelated nib surface15US 8,939,706 B1Siemens Energy, Inc. · 2015
- System for the precision machining of rotationally symmetrical components14US 6,764,384 B1MTU Aero Engines AG · 2004