B29K 2827/18
Ptfe, i.e. polytetrafluoroethylene
Official title: PTFE, i.e. polytetrafluoroethylene, e.g. ePTFE, i.e. expanded polytetrafluoroethylene
B29K2827/18 (Ptfe, i.e. polytetrafluoroethylene) appears on 83 US grants and 98 published applications in this corpus.
Search patents in B29K- Granted patents
- 83
- Published applications
- 98
- Assignees
- 95
- Inventors
- 230
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 3 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 0 |
| 2010 | 2 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 3 |
| 2015 | 3 | 13 |
| 2016 | 4 | 17 |
| 2017 | 2 | 8 |
| 2018 | 14 | 6 |
| 2019 | 5 | 4 |
| 2020 | 3 | 7 |
| 2021 | 4 | 4 |
| 2022 | 6 | 5 |
| 2023 | 5 | 1 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mold tool for injection molding10 Mar 2026US 12,570,031 B2Lego A/S
- Fiber reinforced plastic components with increased slip-resistance and methods of manufacture18 Nov 2025US 12,472,702 B2Enduro Composites, Inc.
- Belt calender and method for manufacturing preimpregnated composites4 Jun 2024US 11,999,118 B2Klieverik Heli B.V.
- Injection mold, injection molding machine including injection mold, and method for manufacturing injection-molded product using injection molding machine14 May 2024US 11,981,055 B2LG Chem.Ltd.
- Cutting-edge structures and method of manufacturing cutting-edge structures12 Sep 2023US 11,752,651 B2Massachusetts Institute of Technology
- Method of producing sealing material and sealing material27 Aug 2026US 2026/0249570 A1Valqua, Ltd.
- Fishing line reforming for safe disposal23 Jul 2026US 2026/0208244 A1
- Extrusion roller apparatus and nip assembly including the apparatus16 Jul 2026US 2026/0200157 A1Amcor Flexibles North America, Inc.
- 3d printing system and control method30 Jan 2025US 2025/0033279 A1Suzhou Meaman Machines Co., Ltd
- A mold tool for injection molding26 Sep 2024US 2024/0316845 A1Lego A/S
Most cited
By later US patents
- Ocular therapeutic agent delivery devices and methods for making and using such devices277US 6,713,081 B2The United States of America as represented by the Department of Health and Human Services · 2004
- Embossed vacuum bag, methods for producing and using said bag102US 5,129,813 A1992
- Apparatus and method for sealing a web of film in a form, fill, and seal packaging system77US 4,630,429 ABaxter Travenol Laboratories, Inc. · 1986
- Coated stent63US 5,779,729 AIstituto Nazionale Per Lo Studio E La Cura Dei Tumori · 1998
- Tool for forming complex composite articles54US 5,071,338 AUnited Technologies Corporation · 1991