Y02W 10/10
Biological treatment of water, waste water, or sewage
Y02W10/10 (Biological treatment of water, waste water, or sewage) appears on 5,852 US grants and 4,273 published applications in this corpus.
Search patents in Y02W- Granted patents
- 5,852
- Published applications
- 4,273
- Assignees
- 2,796
- Inventors
- 10,257
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 107 | 0 |
| 1977 | 96 | 0 |
| 1978 | 102 | 0 |
| 1979 | 79 | 0 |
| 1980 | 103 | 0 |
| 1981 | 116 | 0 |
| 1982 | 62 | 0 |
| 1983 | 64 | 0 |
| 1984 | 92 | 0 |
| 1985 | 69 | 0 |
| 1986 | 80 | 0 |
| 1987 | 80 | 0 |
| 1988 | 81 | 0 |
| 1989 | 108 | 0 |
| 1990 | 91 | 0 |
| 1991 | 95 | 0 |
| 1992 | 102 | 0 |
| 1993 | 126 | 0 |
| 1994 | 116 | 0 |
| 1995 | 118 | 0 |
| 1996 | 139 | 0 |
| 1997 | 122 | 0 |
| 1998 | 112 | 0 |
| 1999 | 128 | 0 |
| 2000 | 134 | 0 |
| 2001 | 143 | 28 |
| 2002 | 115 | 98 |
| 2003 | 92 | 133 |
| 2004 | 116 | 146 |
| 2005 | 91 | 152 |
| 2006 | 110 | 147 |
| 2007 | 125 | 172 |
| 2008 | 110 | 196 |
| 2009 | 126 | 183 |
| 2010 | 141 | 192 |
| 2011 | 124 | 217 |
| 2012 | 143 | 169 |
| 2013 | 121 | 207 |
| 2014 | 130 | 217 |
| 2015 | 121 | 188 |
| 2016 | 120 | 187 |
| 2017 | 148 | 176 |
| 2018 | 136 | 182 |
| 2019 | 183 | 181 |
| 2020 | 169 | 213 |
| 2021 | 143 | 228 |
| 2022 | 152 | 198 |
| 2023 | 147 | 173 |
| 2024 | 138 | 146 |
| 2025 | 117 | 87 |
| 2026 | 69 | 57 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for influent distribution and thickened sludge fermentation to enhance MSBR system6 Oct 2026US 12,753,100 B2Corstar Environmental Equipment Shanghai Ltd
- Method and system for continuous-flow aerobic granular sludge process with improved two-stage sedimentation29 Sep 2026US 12,747,174 B2Passavant Roediger Water Technologies (Hangzhou) Co., Ltd.
- Aerated biological filtration process for water treatment with a view to reducing the nitrogen content (NGL) of said water with reduction of carbon-source and aeration requirements22 Sep 2026US 12,741,895 B2Veolia Water Solutions & Technologies Support
- Method for treating wastewater15 Sep 2026US 12,735,337 B2Mitsubishi Chemical Corporation
- Efficient nitrogen and phosphorus removal process system for mariculture tail water treatment15 Sep 2026US 12,735,339 B2Tianjin Research Institute for Water Transport Engineering, M.O.T.
- Membrane bioreactor wastewater treatment using calcium carbonate27 Aug 2026US 2026/0250169 A1Omya International AG
- Bacillus sp. sdc-u1 strain with quorum quenching activity, composition for inhibiting biofilm including the same and system for treating water using the same for membrane bioreactor20 Aug 2026US 2026/0242263 A1Foundation for Research and Business, Seoul National University of Science and Technology
- Liquid treatment device including oxygen and nitrogen nanobubble generators and related methods13 Aug 2026US 2026/0233175 A1O2 Technologies, LLC
- Separation of fluids containing solids13 Aug 2026US 2026/0233236 A1World Water Works, Inc.
- Microbubble generating device6 Aug 2026US 2026/0225050 A1Ace Inventer Inc.
Most cited
By later US patents
- Liquid waste oxygenation441US 5,463,176 A1995
- Ferromagnetic separation process and material265US 3,985,649 A1976
- Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate200US 5,639,373 AZenon Environmental Inc. · 1997
- Method for removing soluble metals from an aqueous phase196US 5,876,484 APhytotech Limited · 1999
- Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate193US 5,248,424 AZenon Environmental Inc. · 1993