C02F 2203/006
Details of construction
Official title: details of construction, e.g. specially adapted seals, modules, connections
C02F2203/006 (Details of construction) appears on 407 US grants and 569 published applications in this corpus.
Search patents in C02F- Granted patents
- 407
- Published applications
- 569
- Assignees
- 359
- Inventors
- 1,228
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 5 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 6 |
| 2011 | 5 | 9 |
| 2012 | 8 | 18 |
| 2013 | 11 | 15 |
| 2014 | 12 | 19 |
| 2015 | 11 | 48 |
| 2016 | 16 | 42 |
| 2017 | 37 | 25 |
| 2018 | 31 | 41 |
| 2019 | 32 | 37 |
| 2020 | 38 | 49 |
| 2021 | 31 | 47 |
| 2022 | 30 | 42 |
| 2023 | 42 | 44 |
| 2024 | 42 | 56 |
| 2025 | 28 | 35 |
| 2026 | 21 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for leachate biodegradation through aquatic microorganism digestion6 Oct 2026US 12,753,098 B1
- 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.
- Electrochemical nitrogen and phosphorus removal device and method29 Sep 2026US 12,747,176 B2Beijing Drainage Group Co., Ltd
- 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.
- Multiple chamber septic tank with a plurality of large and small access ports25 Aug 2026US 12,715,798 B2KleanTu LLC
- Operation method of water treatment apparatus and water treatment apparatus8 Oct 2026US 2026/0308031 A1Kubota Corporation
- Water treatment method and water treatment apparatus1 Oct 2026US 2026/0296934 A1Organo Corporation
- Fixed film bioreactor for purification of water and associated methods1 Oct 2026US 2026/0296937 A1WesTech Engineering, Inc.
- Controlled flow baffles for a treatment tank1 Oct 2026US 2026/0296938 A1Parkson Corporation
- Systems for catalytically removing per- and polyfluoroalkyl substances from a fluid and related methods1 Oct 2026US 2026/0296939 A1Arizona Board of Regents on behalf of Arizona State University
Most cited
By later US patents
- Membrane module for gas transfer37US 7,294,259 B2Zenon Technology Partnership · 2007
- High aspect ratio wastewater system36US 7,374,670 B22008
- Process and energy-efficient biological treatment system with filtration membrane30US 7,476,322 B2ITT Manufacturing Enterprises, Inc. · 2009
- In line wetland water treatment system27US 7,425,262 B1Modular Wetland Systems, Inc. · 2008
- Heat exchanger for aeration tank24US 5,800,705 AUnited States Filter Corporation · 1998