F05D 2250/16
Parabolic
Official title: parabolic
F05D2250/16 (Parabolic) appears on 40 US grants and 37 published applications in this corpus.
Search patents in F05D- Granted patents
- 40
- Published applications
- 37
- Assignees
- 31
- Inventors
- 102
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 4 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 0 | 3 |
| 2018 | 2 | 4 |
| 2019 | 2 | 2 |
| 2020 | 3 | 4 |
| 2021 | 5 | 1 |
| 2022 | 4 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Step seal for refrigerant compressors19 Nov 2024US 12,146,501 B2Danfoss A/S
- Turbine rotor blade11 Jun 2024US 12,006,839 B2Kabushiki Kaisha Toshiba
- Step seal for refrigerant compressors4 Jul 2023US 11,692,557 B2Danfoss A/S
- Channeling furrow upstream of a blade6 Dec 2022US 11,519,274 B2Safran Aircraft Engines
- Gas turbine engine airfoil fairing with rib having radial notch4 Oct 2022US 11,459,894 B1Raytheon Technologies Corporation
- Elliptical-rectangular film cooling hole5 Mar 2026US 2026/0063295 A1Rtx Corporation
- Step seal for refrigerant compressors7 Sep 2023US 2023/0279865 A1Danfoss A/S
- Gas turbine engine airfoil fairing with rib having radial notch15 Sep 2022US 2022/0290567 A1Raytheon Technologies Corporation
- Turbine rotor blade8 Sep 2022US 2022/0282624 A1Kabushiki Kaisha Toshiba
- Step seal for refrigerant compressors7 Jul 2022US 2022/0213896 A1Danfoss A/S
Most cited
By later US patents
- Bowed airfoil for the compression section of a rotary machine108US 5,088,892 AUnited Technologies Corporation · 1992
- Cooling-air bore80US 6,183,199 B2ABB Research Ltd. · 2001
- Cooling arrangement for gas-turbine components56US 6,261,053 B1Asea Brown Boveri AG · 2001
- Turbine blade37US 5,779,443 AGEC Alsthom SA · 1998
- Conical tip shroud fillet for a turbine bucket35US 6,857,853 B1General Electric Company · 2005