B29K 2427/18
Ptfe, i.e. polytetrafluoroethylene
Official title: PTFE, i.e. polytetrafluoroethylene {, e.g. ePTFE, i.e. expanded polytetrafluoroethylene}
B29K2427/18 (Ptfe, i.e. polytetrafluoroethylene) appears on 15 US grants and 19 published applications in this corpus.
Search patents in B29K- Granted patents
- 15
- Published applications
- 19
- Assignees
- 18
- Inventors
- 47
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a dry film, rolling device, dry film, and substrate coated with the dry film21 Apr 2026US 12,609,294 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Polymer composition for blow molding4 Nov 2025US 12,460,071 B2Abu Dhabi Polymers Co. Ltd (Borouge) LLC.
- Carbonous materials for radio frequency heating in reaction systems18 Mar 2025US 12,256,479 B2Honeywell Federal Manufacturing & Technologies, LLC
- Method for producing a dry film, rolling device21 May 2024US 11,990,599 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Part having improved abrasion resistance9 Jan 2024US 11,867,073 B2Safran Nacelles
- Method for producing a dry film, rolling device, dry film, and substrate coated with the dry film13 Aug 2026US 2026/0235523 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Carbonous materials for radio frequency heating in reaction systems14 Nov 2024US 2024/0381498 A1Honeywell Federal Manufacturing & Technologies, LLC
- Method for producing a dry film, rolling device, dry film, and substrate coated with the dry film15 Aug 2024US 2024/0274784 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Liquid crystal polymer film and method for producing liquid crystal polymer film6 Jun 2024US 2024/0182655 A1Murata Manufacturing Co., Ltd.
- Seal and method of forming5 Oct 2023US 2023/0313889 A1Saint-Gobain Performance Plastics Corporation
Most cited
By later US patents
- Polytetrafluoroethylene molding powder7US 5,646,192 AW. L. Gore & Associates, Inc. · 1997
- Friction material composition, friction material using the same, and friction member4US 9,039,825 B2Hitachi Chemical Company, Ltd. · 2015
- Friction material composition, friction material using the same, and friction member2US 9,086,105 B2Hitachi Chemical Company, Ltd. · 2015
- Friction material composition, friction material using the same, and friction member2US 9,410,591 B2Hitachi Chemical Company, Ltd. · 2016
- Wind turbine blade repair method2US 9,610,739 B2Lm Wp Patent Holding A/S · 2017