C02F 2201/46175
Electrical pulses
C02F2201/46175 (Electrical pulses) appears on 176 US grants and 212 published applications in this corpus.
Search patents in C02F- Granted patents
- 176
- Published applications
- 212
- Assignees
- 155
- Inventors
- 476
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 4 |
| 2003 | 3 | 4 |
| 2004 | 3 | 6 |
| 2005 | 2 | 4 |
| 2006 | 1 | 4 |
| 2007 | 1 | 5 |
| 2008 | 2 | 8 |
| 2009 | 2 | 7 |
| 2010 | 5 | 7 |
| 2011 | 3 | 10 |
| 2012 | 6 | 7 |
| 2013 | 4 | 10 |
| 2014 | 1 | 8 |
| 2015 | 4 | 13 |
| 2016 | 4 | 8 |
| 2017 | 8 | 11 |
| 2018 | 7 | 12 |
| 2019 | 11 | 13 |
| 2020 | 17 | 16 |
| 2021 | 12 | 17 |
| 2022 | 3 | 5 |
| 2023 | 16 | 11 |
| 2024 | 6 | 12 |
| 2025 | 6 | 4 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrochemical nitrogen and phosphorus removal device and method29 Sep 2026US 12,747,176 B2Beijing Drainage Group Co., Ltd
- Water treatment device18 Aug 2026US 12,709,559 B2LG Electronics Inc.
- Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation12 May 2026US 12,623,931 B2Evoqua Water Technologies LLC
- Method for electrocoagulation using plasma discharge9 Sep 2025US 12,410,076 B2
- High-concentration wastewater treatment device for treating pollutants with strong oxidizing power using plasma8 Jul 2025US 12,351,490 B2Groon Co., Ltd.
- Pulsed corona discharge-driven water treatment with improved energy efficiency10 Sep 2026US 2026/0265088 A1Fidchem, S.L.
- Water treatment apparatus and washing apparatus including same3 Sep 2026US 2026/0257943 A1LG Electronics Inc.
- Method for formation of ammonia using diverse nitrogen based feedstocks21 May 2026US 2026/0139387 A1Colorado State University Research Foundation
- Apparatus for formation of ammonia using diverse nitrogen based feedstocks14 May 2026US 2026/0132525 A1Colorado State University Research Foundation
- Electrochemical Method of Creating an Enduring Chain Reaction in an Aqueous Solution12 Mar 2026US 2026/0070817 A1
Most cited
By later US patents
- Method and apparatus for capacitive deionization, electrochemical purification, and regeneration of electrodes157US 5,425,858 AThe Regents of the University of California · 1995
- Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes139US 6,309,532 B1The Regents of the University of California · 2001
- High pulsed voltage systems for extending the shelf life of pumpable food products119US 5,048,404 AFoodco Corporation · 1991
- Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes117US 5,954,937 AThe Regents of the University of California · 1999
- Liquid treating process and apparatus, as well as liquid treating system90US 6,482,327 B1Proudo Co., Ltd. · 2002