C13B 20/165
Using membranes
Official title: {using membranes, e.g. osmosis, ultrafiltration (electrodialysis C13B20/18)}
C13B20/165 (Using membranes) appears on 110 US grants and 108 published applications in this corpus.
Search patents in C13B- Granted patents
- 110
- Published applications
- 108
- Assignees
- 84
- Inventors
- 237
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 3 |
| 2002 | 13 | 5 |
| 2003 | 1 | 5 |
| 2004 | 4 | 5 |
| 2005 | 2 | 6 |
| 2006 | 5 | 3 |
| 2007 | 1 | 2 |
| 2008 | 4 | 2 |
| 2009 | 1 | 5 |
| 2010 | 1 | 4 |
| 2011 | 2 | 4 |
| 2012 | 4 | 7 |
| 2013 | 3 | 9 |
| 2014 | 4 | 9 |
| 2015 | 6 | 7 |
| 2016 | 4 | 7 |
| 2017 | 6 | 1 |
| 2018 | 8 | 3 |
| 2019 | 0 | 3 |
| 2020 | 2 | 5 |
| 2021 | 1 | 4 |
| 2022 | 2 | 2 |
| 2023 | 3 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for purifying liquid and system for the implementation thereof11 Aug 2026US 12,702,952 B2Electrophor, Inc.
- High Brix vacuum evaporation concentration process and system and concentrated product18 Nov 2025US 12,471,611 B2Les éQuipements D'éRablièRe Cdl Inc.
- Systems and methods for the preparation of plant derived products using osmosis techniques25 Mar 2025US 12,256,768 B2Botanical Water Technologies IP Ltd
- High Brix vacuum evaporation concentration process and system and concentrated product1 Oct 2024US 12,102,105 B2Les éQuipements D'éRablièRe Cdl Inc.
- System to produce concentrate maple sap and associated method30 Jul 2024US 12,049,675 B2H2O Innovation Inc.
- Taste of consumables20 Nov 2025US 2025/0351855 A1The Product Makers (Australia) Pty Ltd
- Systems and methods for the preparation of plant derived products using osmosis techniques29 May 2025US 2025/0169524 A1Botanical Water Technologies IP Ltd
- Concentrator system, kit for assembling the same, and corresponding methods of assembling, operating and use associated thereto30 Jan 2025US 2025/0032986 A1
- Systems and methods for the preparation of plant derived products using osmosis techniques26 Sep 2024US 2024/0315290 A1Botanical Water Technologies IP Ltd
- High brix vacuum evaporation concentration processand system and concentrated product19 Sep 2024US 2024/0306683 A1Les éQuipements D'éRablièRe Cdl Inc.
Most cited
By later US patents
- Method and apparatus for conversion of cellulosic material to ethanol51US 8,123,864 B2Inbicon A/S · 2012
- Separation process49US 7,008,485 B2Danisco Sweeteners Oy · 2006
- Method of performing osmetic distillation45US 4,781,837 ALimitinstant Limited · 1988
- Recovery of xylose34US 6,872,316 B2Danisco Sweeteners Oy · 2005
- Method for recovering acid from an acid-sugar hydrolyzate32US 5,244,553 ANorth Carolina State University · 1993