D21F 7/08
Felts
D21F7/08 (Felts) appears on 720 US grants and 625 published applications in this corpus.
Search patents in D21F- Granted patents
- 720
- Published applications
- 625
- Assignees
- 148
- Inventors
- 793
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 10 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 12 | 0 |
| 1989 | 22 | 0 |
| 1990 | 14 | 0 |
| 1991 | 8 | 0 |
| 1992 | 13 | 0 |
| 1993 | 13 | 0 |
| 1994 | 14 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 20 | 0 |
| 2001 | 20 | 1 |
| 2002 | 10 | 14 |
| 2003 | 13 | 12 |
| 2004 | 16 | 36 |
| 2005 | 5 | 29 |
| 2006 | 24 | 31 |
| 2007 | 14 | 46 |
| 2008 | 15 | 27 |
| 2009 | 12 | 28 |
| 2010 | 30 | 39 |
| 2011 | 23 | 17 |
| 2012 | 25 | 17 |
| 2013 | 19 | 14 |
| 2014 | 15 | 21 |
| 2015 | 12 | 25 |
| 2016 | 25 | 29 |
| 2017 | 11 | 25 |
| 2018 | 25 | 18 |
| 2019 | 14 | 32 |
| 2020 | 31 | 22 |
| 2021 | 23 | 39 |
| 2022 | 25 | 21 |
| 2023 | 25 | 23 |
| 2024 | 26 | 24 |
| 2025 | 16 | 16 |
| 2026 | 10 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Web material structuring belt comprising a seam and method for making and using6 Oct 2026US 12,753,552 B2The Procter & Gamble Company
- Industrial fabric18 Aug 2026US 12,709,822 B2Nippon Filcon Co., Ltd.
- Web material structuring belt, method for making and method for using18 Aug 2026US 12,709,841 B2The Procter & Gamble Company
- Paper making machine and process14 Jul 2026US 12,680,230 B2Toscotec S.P.A.
- Paper machine clothing and method30 Jun 2026US 12,668,924 B2Voith Patent GmbH
- Industrial fabric with laser induced structures8 Oct 2026US 2026/0308838 A1AstenJohnson International, Inc.
- Woven papermaking fabrics17 Sep 2026US 2026/0275638 A1Kimberly-Clark Worldwide, Inc.
- Multi-ply tissue products and methods of manufacturing the same17 Sep 2026US 2026/0275646 A1Kimberly-Clark Worldwide, Inc.
- Spirally wound press felt with orthagonal seam loops and method10 Sep 2026US 2026/0265997 A1AstenJohnson International, Inc.
- Seamable, gap-free paper-making fabrics13 Aug 2026US 2026/0234868 A1Albany International Corp.
Most cited
By later US patents
- Press felt and method of manufacturing it129US 5,360,656 AAlbany International Corp. · 1994
- Press felt having fine base fabric103US 5,618,612 AHuyck Licensco, Inc. · 1997
- Papermakers fabric with stacked machine direction yarns93US 5,103,874 AAsten Group, Inc. · 1992
- Woven papermakers fabric having flat yarn floats91US 5,449,026 AAsten, Inc. · 1995
- Transfer belt in a press nip closed draw transfer90US 5,298,124 AAlbany International Corp. · 1994