C10M 2213/062
Polytetrafluoroethylene [ptfe]
Official title: Polytetrafluoroethylene [PTFE]
C10M2213/062 (Polytetrafluoroethylene [ptfe]) appears on 846 US grants and 514 published applications in this corpus.
Search patents in C10M- Granted patents
- 846
- Published applications
- 514
- Assignees
- 391
- Inventors
- 1,645
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 19 | 0 |
| 1978 | 25 | 0 |
| 1979 | 17 | 0 |
| 1980 | 18 | 0 |
| 1981 | 21 | 0 |
| 1982 | 14 | 0 |
| 1983 | 12 | 0 |
| 1984 | 20 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 15 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 20 | 0 |
| 1993 | 15 | 0 |
| 1994 | 21 | 0 |
| 1995 | 29 | 0 |
| 1996 | 23 | 0 |
| 1997 | 16 | 0 |
| 1998 | 17 | 0 |
| 1999 | 25 | 0 |
| 2000 | 18 | 0 |
| 2001 | 23 | 3 |
| 2002 | 18 | 13 |
| 2003 | 12 | 23 |
| 2004 | 13 | 19 |
| 2005 | 9 | 12 |
| 2006 | 3 | 8 |
| 2007 | 8 | 18 |
| 2008 | 10 | 20 |
| 2009 | 6 | 22 |
| 2010 | 11 | 32 |
| 2011 | 23 | 31 |
| 2012 | 17 | 27 |
| 2013 | 27 | 28 |
| 2014 | 20 | 21 |
| 2015 | 14 | 27 |
| 2016 | 22 | 23 |
| 2017 | 21 | 33 |
| 2018 | 25 | 28 |
| 2019 | 15 | 10 |
| 2020 | 22 | 21 |
| 2021 | 11 | 23 |
| 2022 | 23 | 19 |
| 2023 | 22 | 18 |
| 2024 | 13 | 22 |
| 2025 | 16 | 11 |
| 2026 | 13 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Arrangement made up of at least a clamping spring and a retaining spring and a spring-force clamp for conductors11 Aug 2026US 12,706,400 B2Weidmüller Interface GmbH & Co. KG
- Sliding member14 Jul 2026US 12,680,049 B2Sumitomo Electric Industries, Ltd.
- Refrigeration cycle apparatus, refrigerating machine oil and refrigerant leakage prevention agent23 Jun 2026US 12,662,645 B2Daikin Industries, Ltd.
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium9 Jun 2026US 12,651,610 B2Resonac Corporation
- System, composition and method of application of same for reducing the coefficient of friction and required pulling force during installation of wire or cable5 May 2026US 12,620,506 B1Encore Wire Corporation
- Low wear and friction composites comprising polyether ketone ketone and a perfluoropolymer and methods of making and use thereof17 Sep 2026US 2026/0275220 A1The Florida State University Research Foundation, Inc.
- Lubricant composition30 Jul 2026US 2026/0218079 A1SYENSQO SPECIALTY POLYMERS ITALY S.p.A.
- Sliding member27 Nov 2025US 2025/0361458 A1Sumitomo Electric Industries, Ltd.
- Grease composition17 Jul 2025US 2025/0230378 A1Kyodo Yushi Co., Ltd.
- Use of a lubricant composition for lubricating work tool3 Jul 2025US 2025/0215349 A1Klueber Lubrication Muenchen SE & Co. KG
Most cited
By later US patents
- Dispersant compositions108US 3,948,800 AThe Lubrizol Corporation · 1976
- Sulfurized compositions102US 4,119,549 AThe Lubrizol Corporation · 1978
- Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants102US 4,454,059 AThe Lubrizol Corporation · 1984
- Dispersants and process for their preparation88US 3,980,569 AThe Lubrizol Corporation · 1976
- Hydrogenated star-shaped polymer76US 4,116,917 AShell Oil Company · 1978