B03C 3/45
Collecting-electrodes
B03C3/45 (Collecting-electrodes) appears on 795 US grants and 1,001 published applications in this corpus.
Search patents in B03C- Granted patents
- 795
- Published applications
- 1,001
- Assignees
- 547
- Inventors
- 1,725
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 14 | 1 |
| 2002 | 3 | 7 |
| 2003 | 13 | 11 |
| 2004 | 10 | 21 |
| 2005 | 19 | 24 |
| 2006 | 18 | 33 |
| 2007 | 16 | 24 |
| 2008 | 16 | 22 |
| 2009 | 19 | 31 |
| 2010 | 19 | 37 |
| 2011 | 14 | 29 |
| 2012 | 25 | 33 |
| 2013 | 31 | 35 |
| 2014 | 24 | 33 |
| 2015 | 22 | 40 |
| 2016 | 24 | 43 |
| 2017 | 36 | 48 |
| 2018 | 29 | 55 |
| 2019 | 40 | 52 |
| 2020 | 39 | 59 |
| 2021 | 45 | 73 |
| 2022 | 41 | 92 |
| 2023 | 33 | 76 |
| 2024 | 52 | 53 |
| 2025 | 58 | 49 |
| 2026 | 25 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Particle collection vessel, particle collection device and particle collection method6 Oct 2026US 12,752,284 B2Amano Corporation
- Inverter apparatus provided with dust collecting unit6 Oct 2026US 12,752,285 B2Ls Electric Co., Ltd.
- Membrane for collecting airborne particles22 Sep 2026US 12,741,287 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Air conditioning apparatus15 Sep 2026US 12,734,472 B2LG Electronics Inc.
- Electrostatic precipitator and control method thereof8 Sep 2026US 12,728,424 B2Samsung Electronics Co., Ltd.
- Hybrid filter unit8 Oct 2026US 2026/0307082 A1Brairtech Sweden AB
- Caliper-type electrostatic precipitator and vehicle braking device including same1 Oct 2026US 2026/0298299 A1Korea Institute of Machinery & Materials
- Electrostatic precipitator with rotary collecting walls24 Sep 2026US 2026/0284675 A1Nestec S.A.
- Air conditioner17 Sep 2026US 2026/0276225 A1Samsung Electronics Co., Ltd.
- Ionic Personal Exhalant Filter30 Jul 2026US 2026/0215495 A1Philter Labs, Inc.
Most cited
By later US patents
- Air cleaner using ionic wind123US 4,643,745 ANippon Soken, Inc. · 1987
- Electro-kinetic air transporter-conditioner122US 6,176,977 B1Sharper Image Corporation · 2001
- Electrostatic air treatment and movement system97US 5,024,685 AAstra-Vent AB · 1991
- Apparatus for measuring impurity concentrations in a liquid95US 5,098,657 ATSI Incorporated · 1992
- Two-stage electrostatic filter95US 5,993,521 ATL-Vent AB · 1999