F05D 2250/121
Square
Official title: square
F05D2250/121 (Square) appears on 61 US grants and 74 published applications in this corpus.
Search patents in F05D- Granted patents
- 61
- Published applications
- 74
- Assignees
- 35
- Inventors
- 195
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 4 | 2 |
| 2012 | 2 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 5 |
| 2016 | 3 | 10 |
| 2017 | 2 | 3 |
| 2018 | 4 | 5 |
| 2019 | 5 | 9 |
| 2020 | 7 | 5 |
| 2021 | 5 | 1 |
| 2022 | 3 | 11 |
| 2023 | 9 | 8 |
| 2024 | 4 | 4 |
| 2025 | 5 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Discrete macroscopic metamaterial systems5 May 2026US 12,618,331 B2Massachusetts Institute of Technology
- Heat exchanger20 Jan 2026US 12,529,334 B2ROLLS-ROYCE plc
- Joints between acoustic panels2 Dec 2025US 12,486,804 B2Rtx Corporation
- Turbine engine airfoil with a crush initiator19 Aug 2025US 12,392,245 B2General Electric Company
- Casing and axial flow rotating machine5 Aug 2025US 12,378,897 B2Mitsubishi Heavy Industries, Ltd.
- Foil with metallic leading edge9 Apr 2026US 2026/0098542 A1Greene, Tweed Technologies, Inc.
- Heat exchanger22 May 2025US 2025/0163852 A1ROLLS-ROYCE plc
- Aircraft20 Mar 2025US 2025/0092823 A1ROLLS-ROYCE plc
- Method and system for the transformation of circular to non-circular rotary motion6 Mar 2025US 2025/0075775 A1Building Machines, Inc.
- Joints between acoustic panels5 Dec 2024US 2024/0401533 A1Raytheon Technologies Corporation
Most cited
By later US patents
- Film cooling hole for turbine airfoil313US 7,997,868 B1Florida Turbine Technologies, Inc. · 2011
- Film cooling passages with curved corners103US 4,684,323 AUnited Technologies Corporation · 1987
- Film cooled slotted wall77US 5,660,525 AGeneral Electric Company · 1997
- Ceramic matrix composite turbine engine components with unitary stiffening frame71US 7,950,234 B2Siemens Energy, Inc. · 2011
- Film cooled wall62US 5,651,662 AGeneral Electric Company · 1997