B03C 3/40
Electrode constructions
B03C3/40 (Electrode constructions) appears on 1,182 US grants and 1,309 published applications in this corpus.
Search patents in B03C- Granted patents
- 1,182
- Published applications
- 1,309
- Assignees
- 722
- Inventors
- 2,334
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 6 | 0 |
| 1978 | 15 | 0 |
| 1979 | 8 | 0 |
| 1980 | 14 | 0 |
| 1981 | 18 | 0 |
| 1982 | 16 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 13 | 0 |
| 1986 | 6 | 0 |
| 1987 | 19 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 16 | 0 |
| 2001 | 21 | 3 |
| 2002 | 7 | 11 |
| 2003 | 21 | 14 |
| 2004 | 12 | 29 |
| 2005 | 25 | 36 |
| 2006 | 24 | 47 |
| 2007 | 27 | 41 |
| 2008 | 23 | 34 |
| 2009 | 29 | 43 |
| 2010 | 29 | 63 |
| 2011 | 24 | 44 |
| 2012 | 37 | 47 |
| 2013 | 47 | 51 |
| 2014 | 37 | 48 |
| 2015 | 32 | 50 |
| 2016 | 37 | 55 |
| 2017 | 48 | 65 |
| 2018 | 39 | 66 |
| 2019 | 52 | 64 |
| 2020 | 43 | 73 |
| 2021 | 56 | 84 |
| 2022 | 55 | 106 |
| 2023 | 42 | 89 |
| 2024 | 63 | 64 |
| 2025 | 67 | 58 |
| 2026 | 29 | 24 |
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.
- Ion generator device13 Aug 2026US 2026/0232863 A1
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
- Air purifier and ionizer95US 4,253,852 ATau Systems Corporation · 1981
- Apparatus for measuring impurity concentrations in a liquid95US 5,098,657 ATSI Incorporated · 1992