C09K 3/1009
Fluorinated polymers
Official title: {Fluorinated polymers, e.g. PTFE}
C09K3/1009 (Fluorinated polymers) appears on 130 US grants and 181 published applications in this corpus.
Search patents in C09K- Granted patents
- 130
- Published applications
- 181
- Assignees
- 96
- Inventors
- 424
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 4 |
| 2006 | 2 | 4 |
| 2007 | 1 | 5 |
| 2008 | 2 | 5 |
| 2009 | 2 | 9 |
| 2010 | 3 | 7 |
| 2011 | 3 | 11 |
| 2012 | 8 | 6 |
| 2013 | 6 | 5 |
| 2014 | 1 | 5 |
| 2015 | 5 | 14 |
| 2016 | 2 | 6 |
| 2017 | 6 | 8 |
| 2018 | 7 | 8 |
| 2019 | 2 | 6 |
| 2020 | 5 | 10 |
| 2021 | 10 | 9 |
| 2022 | 3 | 8 |
| 2023 | 4 | 20 |
| 2024 | 6 | 12 |
| 2025 | 4 | 8 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing member and method for manufacturing the same15 Sep 2026US 12,735,613 B2Canon Kabushiki Kaisha
- Elastomer composition, sealing material, and method for producing sealing material7 Jul 2026US 12,674,054 B2Valqua, Ltd.
- Copolymer, injection molded body, member to be compressed, and coated electrical wire23 Jun 2026US 12,665,247 B2Daikin Industries, Ltd.
- Elastomer composition, sealing material, and method for producing sealing material16 Jun 2026US 12,655,282 B2Valqua, Ltd.
- Elastomer composition, sealing material, and method for producing sealing material2 Jun 2026US 12,643,999 B2Valqua, Ltd.
- Rubber composition for seal material16 Jul 2026US 2026/0201225 A1Valqua, Ltd.
- Fluororubber composition13 Nov 2025US 2025/0346791 A1Nok Corporation
- Polymer blend, crosslinkable composition and article6 Nov 2025US 2025/0340727 A1Daikin Industries, Ltd.
- Fluoropolyether-based curable composition and cured product, and electric/electronic component2 Oct 2025US 2025/0304747 A1Shin-Etsu Chemical Co., Ltd.
- Sealing member and method for manufacturing the same26 Jun 2025US 2025/0207007 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Sintered polytetrafluoroethylene composite material and seal assembly94US 4,580,790 AHughes Aircraft Company · 1986
- Elastomer seal37US 5,459,202 AE. I. Du Pont de Nemours and Company · 1995
- Rigid sheet polytetrafluoroethylene material35US 6,030,694 AW. L. Gore & Associates, Inc. · 2000
- Fluoropolymers34US 6,593,416 B23M Innovative Properties Company · 2003
- Co-continuous blend of a fluoropolymer and a thermoplastic and method32US 6,127,486 AW. L. Gore & Associates, Inc. · 2000