D04H 1/4218
Glass fibres
D04H1/4218 (Glass fibres) appears on 662 US grants and 785 published applications in this corpus.
Search patents in D04H- Granted patents
- 662
- Published applications
- 785
- Assignees
- 264
- Inventors
- 1,400
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 16 | 0 |
| 1990 | 15 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 16 | 0 |
| 1997 | 19 | 0 |
| 1998 | 15 | 0 |
| 1999 | 25 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 11 |
| 2002 | 11 | 15 |
| 2003 | 11 | 20 |
| 2004 | 15 | 20 |
| 2005 | 17 | 31 |
| 2006 | 5 | 28 |
| 2007 | 11 | 30 |
| 2008 | 4 | 31 |
| 2009 | 11 | 22 |
| 2010 | 15 | 37 |
| 2011 | 15 | 32 |
| 2012 | 12 | 30 |
| 2013 | 14 | 23 |
| 2014 | 13 | 30 |
| 2015 | 22 | 24 |
| 2016 | 21 | 32 |
| 2017 | 19 | 24 |
| 2018 | 26 | 34 |
| 2019 | 24 | 44 |
| 2020 | 19 | 42 |
| 2021 | 25 | 31 |
| 2022 | 18 | 40 |
| 2023 | 27 | 46 |
| 2024 | 34 | 43 |
| 2025 | 25 | 35 |
| 2026 | 24 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Facility for producing mineral wool22 Sep 2026US 12,742,272 B2Saint-Gobain Isover
- Multilayer non-woven mat for lead acid batteries and applications therefor22 Sep 2026US 12,744,285 B2Johns Manville
- Renovation ceiling mat28 Jul 2026US 12,692,652 B2Owens Corning Intellectual Capital, LLC
- Filter material for air filter and method for producing filter material14 Jul 2026US 12,678,724 B2Hokuetsu Corporation
- Binder composition for fiberglass14 Jul 2026US 12,680,205 B2Aoc, LLC
- Ceiling basemat water reduction through strategic use of pressing and vacuuming17 Sep 2026US 2026/0275636 A1USG Interiors, Inc.
- Heat transfer suppression sheet and battery pack20 Aug 2026US 2026/0246023 A1Ibiden Co., Ltd.
- Composite boards with improved strength6 Aug 2026US 2026/0225342 A1Owens Corning Intellectual Capital, LLC
- Mineral fiber product6 Aug 2026US 2026/0226734 A1Rockwool A/S
- Roofing products with improved tear strength6 Aug 2026US 2026/0226743 A1Owens Corning Intellectual Capital, LLC
Most cited
By later US patents
- Flexible nonwoven mat204US 5,380,580 AMinnesota Mining and Manufacturing Company · 1995
- Aqueous compositions145US 6,299,936 B1BASF SE · 2001
- Formaldhyde-free compositions for nonwovens113US 5,932,689 ARohm and Haas Company · 1999
- Non-woven heating element108US 4,534,886 AInternational Paper Company · 1985
- Roofing material104US 6,341,462 B22002