B05D 2506/15
Polytetrafluoroethylene [ptfe]
Official title: Polytetrafluoroethylene [PTFE]
B05D2506/15 (Polytetrafluoroethylene [ptfe]) appears on 62 US grants and 73 published applications in this corpus.
Search patents in B05D- Granted patents
- 62
- Published applications
- 73
- Assignees
- 53
- Inventors
- 161
- Latest grant
- 12 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 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 3 |
| 2018 | 3 | 4 |
| 2019 | 3 | 6 |
| 2020 | 4 | 6 |
| 2021 | 2 | 14 |
| 2022 | 9 | 8 |
| 2023 | 8 | 5 |
| 2024 | 6 | 6 |
| 2025 | 3 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wood coating compositions12 May 2026US 12,624,249 B2Muylle-Facon
- Method of treating razor blade cutting edges10 Feb 2026US 12,544,946 B2The Gillette Company
- Nanostructure coating materials and methods of use thereof23 Sep 2025US 12,422,202 B2Nelumbo Inc.
- Razor blades20 May 2025US 12,304,096 B2The Gillette Company
- Protective leaching mask assemblies and related methods29 Apr 2025US 12,285,845 B2US Synthetic Corporation
- Nanostructure Coating Materials and Methods of Use Thereof3 Sep 2026US 2026/0259019 A1Nelumbo Inc.
- Protective leaching mask assemblies and related methods28 May 2026US 2026/0145302 A1US Synthetic Corporation
- Primer composition, multilayer body, article, and method for producing multilayer body2 Apr 2026US 2026/0092182 A1Daikin Industries, Ltd.
- Droplet Ejecting Coatings1 Jan 2026US 2026/0002743 A1Nelumbo Inc.
- Resin sheet, production method thereof, copper-clad laminate and circuit board27 Nov 2025US 2025/0360535 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Scale resistant heat transfer surfaces and a method for their preparation43US 4,125,152 ABorg-Warner Corporation · 1978
- Cookware coating system42US 5,250,356 AE. I. Du Pont de Nemours and Company · 1993
- Coated threaded fasteners31US 5,221,170 ANylok Fastener Corporation · 1993
- Coated fasteners and process for making the same30US 4,835,819 ANylok Fastener Corporation · 1989
- Method of treating razor blade cutting edges27US 5,263,256 AThe Gillette Company · 1993