B03C 3/02
Plant or installations having external electricity supply
B03C3/02 (Plant or installations having external electricity supply) appears on 1,336 US grants and 1,332 published applications in this corpus.
Search patents in B03C- Granted patents
- 1,336
- Published applications
- 1,332
- Assignees
- 785
- Inventors
- 2,461
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 10 | 0 |
| 1978 | 14 | 0 |
| 1979 | 10 | 0 |
| 1980 | 13 | 0 |
| 1981 | 21 | 0 |
| 1982 | 19 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 10 | 0 |
| 1987 | 17 | 0 |
| 1988 | 14 | 0 |
| 1989 | 11 | 0 |
| 1990 | 22 | 0 |
| 1991 | 18 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 17 | 0 |
| 1995 | 17 | 0 |
| 1996 | 14 | 0 |
| 1997 | 22 | 0 |
| 1998 | 21 | 0 |
| 1999 | 16 | 0 |
| 2000 | 20 | 0 |
| 2001 | 21 | 5 |
| 2002 | 23 | 29 |
| 2003 | 31 | 31 |
| 2004 | 19 | 49 |
| 2005 | 26 | 38 |
| 2006 | 30 | 62 |
| 2007 | 40 | 47 |
| 2008 | 33 | 52 |
| 2009 | 37 | 57 |
| 2010 | 41 | 65 |
| 2011 | 34 | 64 |
| 2012 | 39 | 46 |
| 2013 | 56 | 55 |
| 2014 | 40 | 38 |
| 2015 | 37 | 45 |
| 2016 | 36 | 47 |
| 2017 | 40 | 53 |
| 2018 | 30 | 54 |
| 2019 | 44 | 55 |
| 2020 | 43 | 62 |
| 2021 | 48 | 78 |
| 2022 | 41 | 92 |
| 2023 | 34 | 75 |
| 2024 | 53 | 58 |
| 2025 | 52 | 55 |
| 2026 | 22 | 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
- 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.
- Electrostatic precipitator and control method thereof8 Sep 2026US 12,728,426 B2Samsung Electronics Co., Ltd.
- Hybrid filter unit8 Oct 2026US 2026/0307082 A1Brairtech Sweden AB
- Insulator and wet electrostatic precipitator having the same8 Oct 2026US 2026/0307083 A1
- Electrostatic precipitator with rotary collecting walls24 Sep 2026US 2026/0284675 A1Nestec S.A.
- Air conditioner17 Sep 2026US 2026/0276225 A1Samsung Electronics Co., Ltd.
- Ducted Ventilation System, Particle Collection Unit and Method30 Jul 2026US 2026/0218929 A1E. Khoury Holding B.V.
Most cited
By later US patents
- Electric filter135US 4,077,784 A1978
- Electrostatically augmented fiber bed and method of using135US 4,222,748 AMonsanto Company · 1980
- Air purification electrostatic charcoal filter and method132US 4,244,710 A1981
- Air cleaner using ionic wind123US 4,643,745 ANippon Soken, Inc. · 1987
- Electro-kinetic air transporter-conditioner122US 6,176,977 B1Sharper Image Corporation · 2001