D04H 18/00
Needling machines
D04H18/00 (Needling machines) appears on 601 US grants and 419 published applications in this corpus.
Search patents in D04H- Granted patents
- 601
- Published applications
- 419
- Assignees
- 253
- Inventors
- 772
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 14 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 16 | 0 |
| 1997 | 15 | 0 |
| 1998 | 29 | 0 |
| 1999 | 25 | 0 |
| 2000 | 14 | 0 |
| 2001 | 18 | 7 |
| 2002 | 27 | 27 |
| 2003 | 19 | 23 |
| 2004 | 20 | 19 |
| 2005 | 14 | 29 |
| 2006 | 9 | 21 |
| 2007 | 21 | 25 |
| 2008 | 20 | 28 |
| 2009 | 18 | 14 |
| 2010 | 11 | 14 |
| 2011 | 15 | 20 |
| 2012 | 11 | 11 |
| 2013 | 12 | 16 |
| 2014 | 11 | 11 |
| 2015 | 7 | 15 |
| 2016 | 10 | 19 |
| 2017 | 14 | 15 |
| 2018 | 15 | 15 |
| 2019 | 10 | 17 |
| 2020 | 8 | 8 |
| 2021 | 12 | 8 |
| 2022 | 9 | 16 |
| 2023 | 13 | 12 |
| 2024 | 7 | 16 |
| 2025 | 24 | 8 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tooling for producing z-channels in ceramic fiber preforms14 Jul 2026US 12,678,990 B2Rtx Corporation
- Needling system for producing a textile preform19 May 2026US 12,630,953 B2Arianegroup SAS
- In-situ compaction during z-fiber reinforcement of dry fiber preforms31 Mar 2026US 12,589,525 B2Goodrich Corporation
- Sheathed metallic needles for producing z-channels in fibrous preforms10 Feb 2026US 12,545,628 B2Rtx Corporation
- Systems and methods for through thickness reinforcement using roll-to-roll veil cloth27 Jan 2026US 12,534,836 B2Goodrich Corporation
- Method for preparing non-woven fabric and non-woven fabric8 Oct 2026US 2026/0308826 A1Zhejiang Bsk New Material Co., Ltd.
- Nonwoven wearable articles with zonal properties and systems and methods for manufacturing4 Jun 2026US 2026/0152890 A1
- A sleeve for a drum7 May 2026US 2026/0125836 A1Suominen Oyj
- Method for producing a nonwoven fabric used as an engine hood insulator material22 Jan 2026US 2026/0022503 A1Hassan Tekstil Sanayi Ve Ticaret A.S.
- Apparatus for Bonding a Fiber Structure15 Jan 2026US 2026/0015778 A1Norafin Technologies GmbH
Most cited
By later US patents
- Backing drum541US 4,868,958 AUni-Charm Corporation · 1989
- Nonwoven material subjected to hydraulic jet treatment in spots146US 4,970,104 AKimberly-Clark Corporation · 1990
- Nonwoven fabric, nonwoven fabric manufacturing method, and nonwoven fabric manufacturing apparatus144US 7,954,213 B2Uni-Charm Corporation · 2011
- Non-woven fabric and method and apparatus for making the same134US 5,098,764 AChicopee · 1992
- Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby122US 6,315,806 B12001