B03C 3/51
Catch- space electrodes
Official title: Catch- space electrodes, e.g. slotted-box form
B03C3/51 (Catch- space electrodes) appears on 39 US grants and 37 published applications in this corpus.
Search patents in B03C- Granted patents
- 39
- Published applications
- 37
- Assignees
- 35
- Inventors
- 114
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 3 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 4 |
| 2012 | 1 | 2 |
| 2013 | 4 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Electrostatic precipitator42US 4,713,092 ACorona Engineering Co., Ltd. · 1987
- Apparatus and method for collecting particulates by electrostatic precipitation41US 5,183,480 AMobil Oil Corporation · 1993
- Method for filtering particulates36US 4,354,858 AGeneral Electric Company · 1982
- Air cleaner36US 7,258,715 B2Kaz, Incorporated · 2007
- Two-stage electrostatic filter with extruded modular components particularly for air recirculation units35US 5,484,473 A1996