B29K 2627/18
Ptfe, i.e. polytetrafluoroethylene
Official title: PTFE, i.e. polytetrafluoroethylene {, e.g. ePTFE, i.e. expanded polytetrafluoroethylene}
B29K2627/18 (Ptfe, i.e. polytetrafluoroethylene) appears on 60 US grants and 68 published applications in this corpus.
Search patents in B29K- Granted patents
- 60
- Published applications
- 68
- Assignees
- 46
- Inventors
- 156
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 2 | 4 |
| 2015 | 1 | 4 |
| 2016 | 6 | 19 |
| 2017 | 2 | 10 |
| 2018 | 4 | 3 |
| 2019 | 11 | 5 |
| 2020 | 6 | 3 |
| 2021 | 7 | 3 |
| 2022 | 1 | 3 |
| 2023 | 3 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Release film and method for manufacturing release film5 May 2026US 12,617,128 B2Kobayashi & Co., Ltd.
- Hose, method for manufacturing hose, and hydraulic pump23 Sep 2025US 12,422,063 B2Mitsubishi Gas Chemical Company, Inc.
- Heater assembly1 Apr 2025US 12,267,920 B2JT International SA
- Catheter having a laminated polytetrafluoroethylene liner and method of manufacture24 Dec 2024US 12,171,953 B2Creganna Unlimited Company
- Chromatography medium27 Aug 2024US 12,070,735 B2Puridify Ltd.
- Fiber-reinforced polymer battery enclosures, composite components, and methods with integrated polymer seals18 Sep 2025US 2025/0293365 A1GM Global Technology Operations LLC
- Apparatus and Method for Sealing Pouch-Type Secondary Battery17 Apr 2025US 2025/0121566 A1LG Energy Solution, Ltd.
- A method12 Sep 2024US 2024/0300164 A1
- A device and a method5 Sep 2024US 2024/0295049 A1
- Catheter Having a Laminated Polytetrafluoroethylene Liner and Method of Manufacture1 Feb 2024US 2024/0033467 A1Creganna Unlimited Company
Most cited
By later US patents
- Method of manufacturing a PTFE preform using thermal fusion20US 6,743,511 B2Coltec Industrial Products LLC · 2004
- Polytetrafluoroethylene porous film19US 5,510,176 AMitsubishi Kasei Corporation · 1996
- Method of molding polytetrafluoroethylene18US 4,102,966 AProduits Chimiques Ugine Kuhlmann · 1978
- Process for producing polytetrafluoroethylene porous films17US 4,707,314 ANippon Valqua Kogyo Kabushiki Kaisha · 1987
- Polytetrafluoroethylene porous film and process for preparing the same15US 5,358,678 AMitsubishi Kasei Corporation · 1994