D21C 7/02
Rotary digesters
D21C7/02 (Rotary digesters) appears on 7 US grants and 8 published applications in this corpus.
Search patents in D21C- Granted patents
- 7
- Published applications
- 8
- Assignees
- 7
- Inventors
- 22
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotating tissue digestor system and method of use30 Aug 2022US 11,428,406 B1
- Biomass pulp digester2 Nov 2021US 11,162,218 B1
- Biomass, thermal pressure hydrolysis and anaerobic digestion2 Feb 2021US 10,907,303 B2Thermo Pressure Technologies Limited
- Continuous horizontal digester24 Sep 2019US 10,422,077 B2
- Bin arrangement for the collecting and discharging of smaller ligno-cellulosic material14 Nov 2017US 9,816,229 B2Valmet Corporation
- Tissue digester devices, systems and methods of use10 Jul 2025US 2025/0222499 A1
- Cellulose hydrolysis apparatus for use with high solids loading5 Dec 2024US 2024/0399431 A1Episome Biyoteknolojik Urunler Sanayi Ticaret Anonim Sirketi [Tr]/[Tr]
- Enzymatic treatment method and system for fibrous cellulosic material and rigid cellulosic product22 Aug 2024US 2024/0279872 A1Honext Material, Sl
- Used paper diaper processing method and apparatus22 Jul 2021US 2021/0222363 A1Panasonic Corporation
- Biomass, thermal pressure hydrolysis and anaerobic digestion21 May 2020US 2020/0157739 A1Thermo Pressure Technologies Limited
Most cited
By later US patents