F05D 2260/31
Retaining bolts or nuts
F05D2260/31 (Retaining bolts or nuts) appears on 817 US grants and 900 published applications in this corpus.
Search patents in F05D- Granted patents
- 817
- Published applications
- 900
- Assignees
- 141
- Inventors
- 1,778
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 0 | 6 |
| 2012 | 2 | 15 |
| 2013 | 4 | 20 |
| 2014 | 14 | 30 |
| 2015 | 20 | 48 |
| 2016 | 17 | 68 |
| 2017 | 33 | 66 |
| 2018 | 53 | 79 |
| 2019 | 84 | 86 |
| 2020 | 106 | 93 |
| 2021 | 90 | 88 |
| 2022 | 117 | 66 |
| 2023 | 87 | 78 |
| 2024 | 78 | 48 |
| 2025 | 73 | 49 |
| 2026 | 31 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Turbine engine motor having an unducted fan8 Sep 2026US 12,729,629 B2Safran Aircraft Engines
- Variable vane lever arm18 Aug 2026US 12,709,989 B2Rtx Corporation
- Hot gas intake scroll case assembly for aircraft engine11 Aug 2026US 12,704,080 B1Pratt & Whitney Canada Corp.
- Turbine engine assembly with nut device and thermal expansion compensation14 Jul 2026US 12,680,520 B2Safran Ceramics
- Method and apparatus for impeller retention during assembly of a turbine engine16 Jun 2026US 12,655,776 B1Pratt & Whitney Canada Corp.
- Hybrid rotor arrangement for a gas turbine engine architecture1 Oct 2026US 2026/0298093 A1General Electric Company
- Tie-bolt for coupling a turbine with a compressor in a turbine engine1 Oct 2026US 2026/0298109 A1General Electric Company
- Turbine shroud ring assembly with improved load pathway1 Oct 2026US 2026/0298110 A1
- Rotor assembly with interchangeable blades24 Sep 2026US 2026/0286972 A1Rescue South, Inc.
- Fluid cooler installation and method for turbofan engine10 Sep 2026US 2026/0266220 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Compartment unit for turbine engine59US 11,603,797 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2023
- Shroud assembly for gas turbine engine52US 10,301,960 B2General Electric Company · 2019
- Structural low-ductility turbine shroud apparatus38US 8,834,105 B2General Electric Company · 2014
- Attaching ceramic matrix composite to high temperature gas turbine structure36US 8,607,577 B2United Technologies Corporation · 2013
- Turbine shroud assembly with separable pin attachment27US 11,319,828 B1ROLLS-ROYCE plc · 2022