C02F 3/101
Arranged-type packing
Official title: {Arranged-type packing, e.g. stacks, arrays}
C02F3/101 (Arranged-type packing) appears on 220 US grants and 185 published applications in this corpus.
Search patents in C02F- Granted patents
- 220
- Published applications
- 185
- Assignees
- 175
- Inventors
- 526
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 0 |
| 2002 | 0 | 5 |
| 2003 | 2 | 3 |
| 2004 | 6 | 9 |
| 2005 | 6 | 7 |
| 2006 | 6 | 5 |
| 2007 | 11 | 4 |
| 2008 | 1 | 6 |
| 2009 | 6 | 5 |
| 2010 | 2 | 3 |
| 2011 | 7 | 16 |
| 2012 | 3 | 7 |
| 2013 | 6 | 3 |
| 2014 | 9 | 9 |
| 2015 | 4 | 14 |
| 2016 | 3 | 6 |
| 2017 | 10 | 8 |
| 2018 | 3 | 10 |
| 2019 | 3 | 7 |
| 2020 | 10 | 12 |
| 2021 | 10 | 9 |
| 2022 | 9 | 9 |
| 2023 | 3 | 6 |
| 2024 | 9 | 13 |
| 2025 | 5 | 7 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biofilm reactor having at least one weighted member22 Sep 2026US 12,741,894 B2
- Straight-line sewage treatment system for enhanced treatment of low C/N domestic sewage31 Mar 2026US 12,590,019 B2Tongji University
- Automated process for treatment of refinery wastewater24 Mar 2026US 12,583,775 B2Indian Oil Corporation Limited
- Biofilm reactor for treating wastewater7 Oct 2025US 12,434,988 B2
- Surface water biosource augmentation production and distribution system2 Sep 2025US 12,404,191 B2Rigero LLC
- Biofilm reactor for treating wastewater29 Jan 2026US 2026/0028258 A1
- Microbial supports for treating water15 Jan 2026US 2026/0015270 A11489344 Alberta Ltd.
- Device for filtering and purifying greywater or other wastewater to generate a new, clean and safe water source by means of a biological filter20 Nov 2025US 2025/0353763 A1Pontificia Universidad Catolica De Chile
- Stackable wastewater treatment chambers and installation method thereof31 Jul 2025US 2025/0243093 A1
- Suspended carrier for rapid fluidization and stable biofilm nitrification/denitrification17 Jul 2025US 2025/0230080 A1Hangzhou Tao of Water Technology Co., Ltd.
Most cited
By later US patents
- Method and system for bioremediation of contaminated soil using inoculated support spheres74US 5,733,067 AForemost Solutions, Inc. · 1998
- Apparatus for treating waste water64US 5,221,470 A1993
- Contact packing60US 4,105,724 ARuckluft Patent AG. · 1978
- Contact bodies56US 4,668,443 ABrentwood Industries, Inc. · 1987
- Process for manufacturing fine-structured bodies56US 5,152,060 AKernforschungszentrum Karlsruhe GmbH · 1992