B01D 63/101
Spiral winding
Official title: {Spiral winding}
B01D63/101 (Spiral winding) appears on 195 US grants and 147 published applications in this corpus.
Search patents in B01D- Granted patents
- 195
- Published applications
- 147
- Assignees
- 118
- Inventors
- 448
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 11 | 0 |
| 1981 | 6 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 5 |
| 2003 | 7 | 6 |
| 2004 | 1 | 11 |
| 2005 | 2 | 4 |
| 2006 | 6 | 8 |
| 2007 | 4 | 6 |
| 2008 | 3 | 6 |
| 2009 | 3 | 4 |
| 2010 | 2 | 4 |
| 2011 | 5 | 7 |
| 2012 | 3 | 1 |
| 2013 | 5 | 4 |
| 2014 | 2 | 2 |
| 2015 | 1 | 4 |
| 2016 | 6 | 8 |
| 2017 | 7 | 7 |
| 2018 | 2 | 6 |
| 2019 | 6 | 8 |
| 2020 | 5 | 9 |
| 2021 | 8 | 8 |
| 2022 | 3 | 9 |
| 2023 | 6 | 7 |
| 2024 | 7 | 8 |
| 2025 | 8 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hot melt adhesive for spiral wound membrane bonding11 Aug 2026US 12,702,953 B2Henkel AG & Co. KGaA
- Method of making a cartridge filter7 Apr 2026US 12,594,527 B2A. O. Smith Corporation
- Spacer film with integrated lamination strip7 Apr 2026US 12,594,528 B2Entegris, Inc.
- Feed spacer for reducing differential pressure of reverse osmosis element, and formation nozzle7 Oct 2025US 12,434,193 B2LG Chem.Ltd.
- Spiral wound protein separation device9 Sep 2025US 12,409,396 B2W. L. Gore & Associates, Inc.
- Spiral membrane element and method for producing the same25 Jun 2026US 2026/0175176 A1Nitto Denko Corporation
- Spiral membrane element28 May 2026US 2026/0145138 A1Nitto Denko Corporation
- Spiral wound filtration device and methods of manufacture21 Aug 2025US 2025/0262596 A1EMD Millipore Corporation
- Spiral wound bipolar electrodialysis cell20 Mar 2025US 2025/0091012 A1Vetco Gray Scandinavia.AS
- Filter member and filter structure including same13 Feb 2025US 2025/0050279 A1Coway Co., Ltd.
Most cited
By later US patents
- Permeable membranes having high flux-density and low fouling-propensity105US 4,756,835 AAdvanced Polymer Technology, Inc. · 1988
- Method of producing oil from a formation fluid containing both oil and water101US 4,296,810 A1981
- Membrane module for gas transfer and membrane supported biofilm process99US 6,645,374 B2Zenon Environmental Inc. · 2003
- Apparatus and method for removing gasses from a liquid95US 7,097,690 B2SciMed Life Systems, Inc. · 2006
- Filter element and spiral-wound membrane cartridge containing same82US 5,114,582 AW. R. Grace & Co.-Conn. · 1992