B09B 3/80
Involving an extraction step
Official title: involving an extraction step
B09B3/80 (Involving an extraction step) appears on 110 US grants and 227 published applications in this corpus.
Search patents in B09B- Granted patents
- 110
- Published applications
- 227
- Assignees
- 181
- Inventors
- 599
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 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 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 6 |
| 2015 | 6 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 7 |
| 2018 | 4 | 4 |
| 2019 | 5 | 5 |
| 2020 | 5 | 8 |
| 2021 | 2 | 7 |
| 2022 | 5 | 19 |
| 2023 | 7 | 29 |
| 2024 | 17 | 44 |
| 2025 | 22 | 52 |
| 2026 | 17 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced dross feedstock29 Sep 2026US 12,747,485 B2Novelis Inc.
- Solvent free copper extraction18 Aug 2026US 12,709,784 B2GreenSource Fabrication LLC
- Disassembly mechanism, disassembly system for power battery pack with disassembly mechanism and disassembly method of power battery pack4 Aug 2026US 12,700,624 B2Guangdong Brunp Recycling Technology Co., Ltd.
- System and method for low-temperature treatment of heavy metals and dioxins in fly ash7 Jul 2026US 12,673,352 B2Zhejiang University
- Method for recycling water absorbent resin16 Jun 2026US 12,654,151 B2Nippon Shokubai Co., Ltd.
- Additive combination for treatment of heavy metals and dioxins in fly ash1 Oct 2026US 2026/0295645 A1Zhejiang University
- Method for controlling the properties of biogenic silica through integrated thermal and oxidative processing17 Sep 2026US 2026/0274687 A1Kilt, LLC
- Treatment method for waste solid-state battery17 Sep 2026US 2026/0279943 A1Honda Motor Co., Ltd.
- A low carbon emission coupled treatment system and method for waste20 Aug 2026US 2026/0241425 A1Guangdong University of Technology
- Tungsten powder manufacturing method, and tungsten carbide product manufacturing method20 Aug 2026US 2026/0241454 A1KYOCERA Corporation
Most cited
By later US patents
- Designs for enhanced reliability and calibration of landfill gas measurement and control devices49US 10,705,063 B2Loci Controls, Inc. · 2020
- Designs for enhanced reliability and calibration of landfill gas measurement and control devices40US 11,067,549 B2Loci Controls, Inc. · 2021
- Waste disposal of contaminated drill cuttings from geological drilling using drilling fluid systems containing mineral oil26US 5,755,892 ABaroid Limited · 1998
- Process for removing mercury from soil16US 5,785,935 A1998
- Process for removing heavy metals from paint chips15US 5,494,649 ACognis Corporation · 1996