D04H 1/4226
Characterised by the apparatus for manufacturing the glass fleece
Official title: characterised by the apparatus for manufacturing the glass fleece
D04H1/4226 (Characterised by the apparatus for manufacturing the glass fleece) appears on 134 US grants and 107 published applications in this corpus.
Search patents in D04H- Granted patents
- 134
- Published applications
- 107
- Assignees
- 60
- Inventors
- 279
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 0 | 1 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 6 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 1 | 5 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 2 | 7 |
| 2012 | 2 | 5 |
| 2013 | 3 | 3 |
| 2014 | 3 | 5 |
| 2015 | 4 | 6 |
| 2016 | 4 | 2 |
| 2017 | 4 | 2 |
| 2018 | 4 | 6 |
| 2019 | 3 | 6 |
| 2020 | 5 | 6 |
| 2021 | 3 | 4 |
| 2022 | 0 | 2 |
| 2023 | 6 | 11 |
| 2024 | 5 | 4 |
| 2025 | 6 | 4 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Facility for producing mineral wool22 Sep 2026US 12,742,272 B2Saint-Gobain Isover
- Installation for the production of mineral wool and device for spraying a sizing composition, forming part of such an installation23 Jun 2026US 12,662,419 B2Saint-Gobain Isover
- Method for recycling water resulting from a method for producing a mat of mineral fibres31 Mar 2026US 12,590,027 B2Saint-Gobain Isover
- Apparatus for the continuous production of a mattress comprising agglomerated mineral fibres24 Mar 2026US 12,584,252 B2Stm Technologies S.R.L.
- Systems and methods for making fibrous materials27 Jan 2026US 12,534,834 B2DelStar Technologies, Inc.
- Method for recycling water resulting from a method for producing a mat of mineral fibres9 Jul 2026US 2026/0193130 A1Saint-Gobain Isover
- Bio-based binder systems7 May 2026US 2026/0125316 A1Cargill, Incorporated
- Apparatus for the continuous production of a mattress comprising agglomerated mineral fibres7 May 2026US 2026/0125835 A1Stm Technologies S.R.L.
- Systems and methods for making fibrous materials30 Apr 2026US 2026/0117433 A1DelStar Technologies, Inc.
- System and method for crosslinking a continuous mat of mineral and/or plant fibers18 Dec 2025US 2025/0382224 A1
Most cited
By later US patents
- Recycling of fibrous products in a production line for manufacturing mats from fibers58US 5,167,738 AIsover Saint-Gobain · 1992
- Process for manufacturing products of mineral wool, in particular monolayer and multilayer products55US 7,514,027 B2Saint-Gobain Isover · 2009
- High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials49US 8,398,752 B22013
- Method of making mats of chopped fibrous material35US 5,565,049 AAstechnologies, Inc. · 1996
- Process and apparatus for improving the distribution on a receiving device of fibers carried by a gas current32US 4,478,624 AIsover Saint-Gobain · 1984