C02F 2103/28
From the paper or cellulose industry
Official title: from the paper or cellulose industry
C02F2103/28 (From the paper or cellulose industry) appears on 511 US grants and 539 published applications in this corpus.
Search patents in C02F- Granted patents
- 511
- Published applications
- 539
- Assignees
- 357
- Inventors
- 1,370
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 18 | 2 |
| 2002 | 14 | 15 |
| 2003 | 12 | 21 |
| 2004 | 11 | 19 |
| 2005 | 9 | 14 |
| 2006 | 5 | 12 |
| 2007 | 18 | 19 |
| 2008 | 4 | 16 |
| 2009 | 6 | 16 |
| 2010 | 13 | 26 |
| 2011 | 24 | 23 |
| 2012 | 13 | 18 |
| 2013 | 9 | 19 |
| 2014 | 17 | 31 |
| 2015 | 11 | 29 |
| 2016 | 15 | 25 |
| 2017 | 20 | 30 |
| 2018 | 23 | 23 |
| 2019 | 21 | 33 |
| 2020 | 30 | 26 |
| 2021 | 20 | 27 |
| 2022 | 17 | 30 |
| 2023 | 13 | 17 |
| 2024 | 17 | 27 |
| 2025 | 25 | 17 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream8 Sep 2026US 12,729,146 B2Moleaer, Inc.
- Measuring and controlling organic matter in waste water stream18 Aug 2026US 12,709,561 B2Kemira Oyj
- Device and method for treating green liquor11 Aug 2026US 12,703,943 B2Valmet Corporation
- Method and apparatus for treating mixtures of liquids and solids19 May 2026US 12,630,976 B2Lean Pulp Oy
- Method for processing bark press water from sawmills and/or pulp mills17 Feb 2026US 12,553,181 B2SöDra SkogsäGarna Ekonomisk FöRening
- A treatment method of at least one colloidal toc present in wastewater27 Aug 2026US 2026/0250163 A1Snf Group
- Antiscalant Compositions and Methods of Use6 Aug 2026US 2026/0226340 A1Locus Solutions Ipco, LLC
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream28 May 2026US 2026/0145977 A1Moleaer, Inc.
- Devices, systems, and methods for reducing fouling in water flow systems14 May 2026US 2026/0132054 A1Biofouling Technologies, Inc.
- Fusion proteins, recombinant bacteria, and methods for using recombinant bacteria25 Dec 2025US 2025/0388630 A1Spogen Biotech Inc.
Most cited
By later US patents
- Method and apparatus for controlling microorganisms112US 5,424,032 ADiversey, Inc. · 1995
- Integrated anaerobic digester system68US 6,569,332 B22003
- Wastewater treatment system and method54US 7,455,765 B2Siemens Water Technologies Corp. · 2008
- Method for using urea hydrochloride45US 5,672,279 APeach State Labs, Inc. · 1997
- High-flow rate capacity aerobic biological dehalogenation reactor42US 5,037,551 AWeyerhaeuser Company · 1991