D04H 1/4209
Inorganic fibres
D04H1/4209 (Inorganic fibres) appears on 1,153 US grants and 1,435 published applications in this corpus.
Search patents in D04H- Granted patents
- 1,153
- Published applications
- 1,435
- Assignees
- 559
- Inventors
- 2,653
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 10 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 18 | 0 |
| 1989 | 24 | 0 |
| 1990 | 28 | 0 |
| 1991 | 26 | 0 |
| 1992 | 15 | 0 |
| 1993 | 14 | 0 |
| 1994 | 19 | 0 |
| 1995 | 13 | 0 |
| 1996 | 21 | 0 |
| 1997 | 27 | 0 |
| 1998 | 25 | 0 |
| 1999 | 33 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 12 |
| 2002 | 17 | 21 |
| 2003 | 18 | 39 |
| 2004 | 24 | 40 |
| 2005 | 26 | 47 |
| 2006 | 8 | 42 |
| 2007 | 19 | 49 |
| 2008 | 12 | 52 |
| 2009 | 18 | 44 |
| 2010 | 25 | 56 |
| 2011 | 24 | 60 |
| 2012 | 17 | 59 |
| 2013 | 26 | 47 |
| 2014 | 23 | 61 |
| 2015 | 45 | 59 |
| 2016 | 47 | 67 |
| 2017 | 42 | 54 |
| 2018 | 50 | 69 |
| 2019 | 45 | 69 |
| 2020 | 40 | 67 |
| 2021 | 47 | 62 |
| 2022 | 33 | 68 |
| 2023 | 48 | 76 |
| 2024 | 60 | 88 |
| 2025 | 47 | 68 |
| 2026 | 35 | 59 |
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
- Sheet molding compound production method, carbon fiber mat deposition apparatus, and sheet molding compound production apparatus1 Sep 2026US 12,722,328 B2Mitsubishi Chemical Corporation
- Flexible implantable electrode arrangement and production method18 Aug 2026US 12,708,305 B2Albert-Ludwigs-Universität Freiburg
- Moving fluid in a rotating cylinder11 Aug 2026US 12,703,945 B2
- Fiber composite felt8 Oct 2026US 2026/0309422 A1Sgl Carbon SE
- Metal-carbon nanofiber composite electrodes for high performance lithium-ion and lead-acid batteries8 Oct 2026US 2026/0311992 A1The Curators of the University of Missouri
- Welded Textile Mat and Methods for Manufacturing Same1 Oct 2026US 2026/0297820 A1Global Material Technologies, Inc.
- Article including blown microfibers and fire barrier particles and related processes24 Sep 2026US 2026/0286585 A13M Innovative Properties Company
- Porous transport layer17 Sep 2026US 2026/0275543 A1NV Bekaert SA
Most cited
By later US patents
- Nanotube films and articles330US 6,706,402 B2Nantero, Inc. · 2004
- Method of making fibrous electrets241US 4,375,718 ASurgikos, Inc. · 1983
- Structures with high number density of carbon nanotubes and 3-dimensional distribution210US 6,495,258 B1Auburn University · 2002
- Flexible nonwoven mat204US 5,380,580 AMinnesota Mining and Manufacturing Company · 1995
- Aqueous compositions145US 6,299,936 B1BASF SE · 2001