F05D 2300/506
Hardness
F05D2300/506 (Hardness) appears on 139 US grants and 170 published applications in this corpus.
Search patents in F05D- Granted patents
- 139
- Published applications
- 170
- Assignees
- 85
- Inventors
- 438
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 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 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 3 | 3 |
| 2004 | 0 | 5 |
| 2005 | 2 | 1 |
| 2006 | 4 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 8 |
| 2009 | 3 | 6 |
| 2010 | 2 | 4 |
| 2011 | 4 | 6 |
| 2012 | 2 | 8 |
| 2013 | 0 | 3 |
| 2014 | 6 | 5 |
| 2015 | 3 | 10 |
| 2016 | 3 | 18 |
| 2017 | 7 | 9 |
| 2018 | 12 | 18 |
| 2019 | 15 | 17 |
| 2020 | 14 | 13 |
| 2021 | 13 | 5 |
| 2022 | 8 | 6 |
| 2023 | 7 | 3 |
| 2024 | 12 | 5 |
| 2025 | 4 | 7 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing an abradable coating, abradable coating and coated part6 Oct 2026US 12,753,704 B2Centre National De La Recherche Scientifique
- Air turbine starter4 Aug 2026US 12,698,725 B2Unison Industries, LLC
- Aircraft engine exhaust mixer having stiffened portions for attenuating vibration9 Jun 2026US 12,650,098 B2Pratt & Whitney Canada Corp.
- Containment ring for gas turbine engine26 May 2026US 12,637,959 B2Pratt & Whitney Canada Corp.
- Submersible pump with stage erosion control12 May 2026US 12,624,700 B2Schlumberger Technology Corporation
- Alloy compositions and articles formed of such compositions24 Sep 2026US 2026/0286487 A1GE Infrastructure Technology LLC
- Wheels including a coating layer and methods for making the same25 Jun 2026US 2026/0177066 A1Garrett Transportation I Inc.
- Method for producing an abradable coating, abradable coating and coated part2 Apr 2026US 2026/0092532 A1Centre National De La Recherche Scientifique
- Containment Case for Gas Turbine Engine12 Mar 2026US 2026/0071635 A1Rolls-Royce North American Technologies Inc.
- Centrifugal Pump Having Wear-Resistant Wear Plate With Scraper Element5 Feb 2026US 2026/0036132 A1KSB SE & Co. KGaA
Most cited
By later US patents
- Manufacturing of Nitinol parts and forms58US 6,422,010 B1Nitinol Technologies, Inc. · 2002
- Systems for preventing wear on turbine blade tip shrouds58US 7,771,171 B2General Electric Company · 2010
- Centrifugal pump stage with abrasion resistant elements35US 4,781,531 AHughes Tool Company · 1988
- Turbine assembly including at least one superhard bearing30US 10,408,086 B1US Synthetic Corporation · 2019
- Cooling fan hub assembly22US 7,086,843 B2Asia Vital Components Co., Ltd. · 2006