B03C 9/00
Electrostatic separation not provided for in any single one of the other
Official title: Electrostatic separation not provided for in any single one of the other main groups of this subclass
B03C9/00 (Electrostatic separation not provided for in any single one of the other) appears on 72 US grants and 39 published applications in this corpus.
Search patents in B03C- Granted patents
- 72
- Published applications
- 39
- Assignees
- 31
- Inventors
- 75
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 5 |
| 2012 | 2 | 4 |
| 2013 | 3 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 3 |
| 2016 | 3 | 2 |
| 2017 | 0 | 3 |
| 2018 | 1 | 1 |
| 2019 | 3 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 6 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydrophobic field4 Nov 2025US 12,458,185 B2Kohler Co.
- Compound air filter and method of removal of contaminants29 Oct 2024US 12,128,341 B2K&N Engineering, Inc.
- Generation of structurally altered gas molecules from water and application thereof25 Jun 2024US 12,018,391 B1H2Plus Operations, LLC
- Generation of structurally altered gas molecules from water and application thereof4 Jun 2024US 12,000,053 B2H2Plus LLC
- Application of structurally altered gas molecules to enhance production of adenosine triphosphate in living organisms with no increase in reactive oxygen species23 Apr 2024US 11,963,529 B1H2Plus LLC
- Compound Air Filter17 Apr 2025US 2025/0121310 A1K&N Engineering, Inc.
- Generation of structurally altered gas molecules from water and application thereof25 Jan 2024US 2024/0026549 A1H2Plus LLC
- Structurally altered gas molecule produced from water and method of generation thereof30 Mar 2023US 2023/0097131 A1R2D2, LLC
- Hydrophobic field10 Nov 2022US 2022/0354320 A1Kohler Co.
- Compound air filter8 Oct 2020US 2020/0316511 A1K&N Engineering, Inc.
Most cited
By later US patents
- Single drop separator57US 4,148,718 ACoulter Electronics, Inc. · 1979
- Separating device for an insulating gas-liquid two phase fluid57US 4,472,278 AAgency of Industrial Science and Technology · 1984
- Apparatus for removing liquid from liquid bearing material31US 4,057,482 A1977
- Method and apparatus for separation of fluids with an electric field and centrifuge31US 4,116,790 ACombustion Engineering, Inc. · 1978
- Assembly and method for electrically degassing particulate material24US 4,406,671 AKelsey-Hayes Company · 1983