B32B 2327/18
Ptfe, i.e. polytetrafluoroethylene
Official title: PTFE, i.e. polytetrafluoroethylene
B32B2327/18 (Ptfe, i.e. polytetrafluoroethylene) appears on 323 US grants and 296 published applications in this corpus.
Search patents in B32B- Granted patents
- 323
- Published applications
- 296
- Assignees
- 208
- Inventors
- 789
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 7 |
| 2002 | 15 | 17 |
| 2003 | 12 | 14 |
| 2004 | 12 | 17 |
| 2005 | 6 | 23 |
| 2006 | 9 | 9 |
| 2007 | 8 | 8 |
| 2008 | 6 | 12 |
| 2009 | 1 | 11 |
| 2010 | 3 | 13 |
| 2011 | 9 | 11 |
| 2012 | 9 | 10 |
| 2013 | 4 | 9 |
| 2014 | 5 | 9 |
| 2015 | 7 | 7 |
| 2016 | 5 | 16 |
| 2017 | 9 | 11 |
| 2018 | 9 | 9 |
| 2019 | 8 | 11 |
| 2020 | 5 | 8 |
| 2021 | 10 | 15 |
| 2022 | 11 | 7 |
| 2023 | 13 | 15 |
| 2024 | 10 | 15 |
| 2025 | 7 | 8 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Graft-modified product, adhesive, olefin resin composition, and laminate14 Jul 2026US 12,679,917 B2Mitsui Chemicals, Inc.
- Synthetic barrier material and method of manufacture thereof9 Jun 2026US 12,649,279 B2Graphitene Limited
- Conductive membrane transfer sheet and method for producing the same, conductive object and method for producing the same, and conductive membrane17 Feb 2026US 12,555,700 B2Toppan Holdings Inc.
- Layered body and extrusion-molded article4 Nov 2025US 12,459,181 B2Daikin Industries, Ltd.
- Layered body and extrusion-molded article28 Oct 2025US 12,454,087 B2Daikin Industries, Ltd.
- Composite substrate and manufacturing method thereof27 Aug 2026US 2026/0249598 A1Azotek Co., Ltd.
- Fluorine resin material, laminate, tube, and tube manufacturing method13 Aug 2026US 2026/0234388 A1Daikin Industries, Ltd.
- Composition, sheet, and metal-clad laminate23 Jul 2026US 2026/0209501 A1Daikin Industries, Ltd.
- Gas-Permeable Film, Pouch Exterior Material Including Same, and Secondary Battery9 Jul 2026US 2026/0196615 A1LG Energy Solution, Ltd.
- Optical reference standard4 Sep 2025US 2025/0277738 A1CLAAS Selbstfahrende Erntemaschinen GmbH
Most cited
By later US patents
- Prosthetic devices including elastin or elastin-based materials1,098US 5,990,379 AKenton W. Gregory & Sisters of Providence · 1999
- Radially expandable vascular graft with resistance to longitudinal compression and method of making same414US 5,628,786 AImpra, Inc. · 1997
- Elastomeric waterproof laminate201US 4,443,511 AW. L. Gore & Associates, Inc. · 1984
- Golf ball with a multi-layered cover185US 5,783,293 AAcushnet Company · 1998
- Insulative food container employing breathable polymer laminate166US 5,454,471 AW. L. Gore & Associates, Inc. · 1995