B01D 2239/0686
By spot-gluing
Official title: by spot-gluing
B01D2239/0686 (By spot-gluing) appears on 19 US grants and 22 published applications in this corpus.
Search patents in B01D- Granted patents
- 19
- Published applications
- 22
- Assignees
- 23
- Inventors
- 65
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 3 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-layer face mask25 Feb 2025US 12,233,290 B2NuGeneration Technologies, LLC
- Composite material for use in a face mask, and a face mask formed thereof9 Jul 2024US 12,030,294 B2
- Multi-layered structure and articles formed therefrom having improved splash resistance by increased interlayer spacing18 Aug 2020US 10,744,739 B2O&M Halyard, Inc.
- Fiber laminate and manufacturing method thereof19 Mar 2019US 10,232,293 B2Panasonic Intellectual Property Management Co., Ltd.
- Filter media for long-term high temperature applications20 Sep 2016US 9,446,337 B2Southern Felt Company, Inc.
- Mask sheet, method for manufacturing same, and mask comprising same18 Jan 2024US 2024/0017522 A1Kao Corporation
- Multi-layer, oil-resistant, electro-mechanical synthetic hepa media9 Mar 2023US 2023/0072618 A1Columbus Industries, Inc.
- Filter medium having a nonwoven layer and a melt-blown layer12 Jan 2023US 2023/0012056 A1Neenah Gessner GmbH
- Nanofiber filter material and resperatory system and air filtering article14 Jul 2022US 2022/0219105 A1L&C Protec, Inc. d/b/a Cocoon, Inc.
- Composite Material For Use In A Face Mask, and A Face Mask Formed Thereof3 Feb 2022US 2022/0030966 A1Juladore Limited
Most cited
By later US patents
- Polymeric fiber and glass fiber composite filter media175US 5,785,725 AJohns Manville International, Inc. · 1998
- Highly porous polyvinylidene difluoride membranes115US 6,146,747 AUSF Filtration and Separations Group, Inc. · 2000
- Electrostatic fibrous filter web42US 5,792,242 AMinnesota Mining and Manufacturing Company · 1998
- Drainage mat with high crushing strength and waste-dump base containing said mat34US 4,815,963 AAkzo N. V. · 1989
- Fire-retardant filter medium and air filter unit22US 6,336,948 B12002