B01D 39/2003
Glass or glassy material
Official title: {Glass or glassy material}
B01D39/2003 (Glass or glassy material) appears on 642 US grants and 726 published applications in this corpus.
Search patents in B01D- Granted patents
- 642
- Published applications
- 726
- Assignees
- 401
- Inventors
- 1,542
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 12 | 0 |
| 1978 | 12 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 2 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 19 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 10 |
| 2002 | 17 | 15 |
| 2003 | 18 | 29 |
| 2004 | 15 | 25 |
| 2005 | 18 | 14 |
| 2006 | 10 | 30 |
| 2007 | 16 | 18 |
| 2008 | 9 | 18 |
| 2009 | 7 | 16 |
| 2010 | 9 | 19 |
| 2011 | 16 | 25 |
| 2012 | 22 | 25 |
| 2013 | 12 | 18 |
| 2014 | 16 | 32 |
| 2015 | 22 | 17 |
| 2016 | 8 | 32 |
| 2017 | 14 | 25 |
| 2018 | 10 | 35 |
| 2019 | 27 | 39 |
| 2020 | 24 | 26 |
| 2021 | 22 | 52 |
| 2022 | 19 | 63 |
| 2023 | 30 | 59 |
| 2024 | 26 | 34 |
| 2025 | 26 | 28 |
| 2026 | 22 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Substrate treatments29 Sep 2026US 12,746,490 B2Donaldson Company, Inc.
- High efficiency synthetic filter media1 Sep 2026US 12,722,107 B2Knowlton Technologies, LLC
- Anti-microbial filter18 Aug 2026US 12,708,690 B2Acell Industries Limited
- Porous structure such as for filters, and making the same21 Jul 2026US 12,685,951 B2Corning Incorporated
- Filter material for air filter and method for producing filter material14 Jul 2026US 12,678,724 B2Hokuetsu Corporation
- Functionalized porous material and related methods6 Aug 2026US 2026/0225072 A1Battelle Savannah River Alliance, LLC
- Inorganic fiber sheet23 Jul 2026US 2026/0208083 A1Tomoegawa Co., Ltd.
- Graphene Functionalized HEPA Filter23 Jul 2026US 2026/0208085 A1University of Connecticut
- Filter Sheet Media and Method for Manufacturing a Filter Sheet Media9 Jul 2026US 2026/0192222 A1Ahlstrom Oyj
- Fluorocarbon-free filtration media9 Jul 2026US 2026/0192223 A1Unifrax I LLC
Most cited
By later US patents
- Filter material construction and method335US 5,672,399 ADonaldson Company, Inc. · 1997
- Process and composition for separating plasma or serum from whole blood317US 4,477,575 ABoehringer Mannheim GmbH · 1984
- Blood separation device comprising a filter and a capillary flow pathway exiting the filter254US 4,753,776 ABiotrack, Inc. · 1988
- Device for removal of contaminants from fluid streams235US 5,750,026 ACorning Incorporated · 1998
- Cleanable high efficiency filter media structure and applications for use231US 7,008,465 B2Donaldson Company, Inc. · 2006