F05D 2300/432
Ptfe [polytetrafluorethylene]
Official title: PTFE [PolyTetraFluorEthylene]
F05D2300/432 (Ptfe [polytetrafluorethylene]) appears on 63 US grants and 75 published applications in this corpus.
Search patents in F05D- Granted patents
- 63
- Published applications
- 75
- Assignees
- 50
- Inventors
- 210
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 2 | 6 |
| 2013 | 1 | 5 |
| 2014 | 5 | 4 |
| 2015 | 2 | 2 |
| 2016 | 5 | 8 |
| 2017 | 3 | 5 |
| 2018 | 3 | 9 |
| 2019 | 5 | 1 |
| 2020 | 6 | 4 |
| 2021 | 2 | 2 |
| 2022 | 4 | 5 |
| 2023 | 6 | 5 |
| 2024 | 5 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inlet cone for an aircraft turbomachine1 Oct 2024US 12,104,498 B2Safran Aircraft Engines
- Non-collapsible flexible sealing membrane and seal assembly for rotary shaft equipment6 Aug 2024US 12,055,222 B2John Crane Inc.
- Composite turbomachine vane and method for manufacturing same4 Jun 2024US 12,000,295 B2Safran Aircraft Engines
- Compressor assembly with nonstick coating and method of manufacturing same16 Jan 2024US 11,873,724 B2GM Global Technology Operations LLC
- Part having improved abrasion resistance9 Jan 2024US 11,867,073 B2Safran Nacelles
- Inlet cone for an aircraft turbine engine18 Jun 2026US 2026/0168437 A1Safran Aircraft Engines
- Transfer Line Chilldown Heat Transfer of Cryogenic Propellant in Microgravity using Low-thermally Conductive Coating and Pulse Flow for Space Exploration12 Feb 2026US 2026/0043379 A1
- Damped fluid line for aircraft engine24 Apr 2025US 2025/0129871 A1Rtx Corporation
- Composite Impeller and Methods of Forming Same and of Forming Molded Composite Articles27 Feb 2025US 2025/0067272 A1Greene, Tweed Technologies, Inc.
- Inlet cone for an aircraft turbomachine23 May 2024US 2024/0167394 A1Safran Aircraft Engines
Most cited
By later US patents
- Turbocharger with reduced coking24US 6,874,998 B2BorgWagner Inc. · 2005
- Maintainable compressor stability bleed system20US 6,802,691 B2United Technologies Corporation · 2004
- Rotary fluid pump19US 5,944,489 ACrane Co. · 1999
- Exhaust fan with dry lubricant coating15US 6,050,258 AGreenheck Fan Corporation · 2000
- Exhaust fan with dry lubricant coating13US 5,809,993 AGreenheck Fan Corporation · 1998