F22B 1/306
With at least one electrode permanently above the water surface
Official title: {with at least one electrode permanently above the water surface}
F22B1/306 (With at least one electrode permanently above the water surface) appears on 14 US grants and 2 published applications in this corpus.
Search patents in F22B- Granted patents
- 14
- Published applications
- 2
- Assignees
- 6
- Inventors
- 18
- Latest grant
- 22 Jul 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Water heating apparatus using electrodes22 Jul 2008US 7,403,701 B2LG Electronics Inc.
- Electrode boiler and an insulator therefor14 Mar 1989US 4,812,618 ASulzer Brothers Limited
- Electrode boiler and an insulator therefor14 Mar 1989US 4,812,619 ASulzer Brothers Limited
- Tray electrode arrangement for an electrical steam or hot water generator18 Mar 1986US 4,577,091 ASulzer Brothers Limited
- Electrical steam generator11 Mar 1986US 4,575,613 ASulzer Brothers Limited
Most cited
By later US patents
- Water distribution chamber for an electric steam generator9US 4,169,558 ACam Industries, Inc. · 1979
- Water heating apparatus using electrodes7US 7,403,701 B2LG Electronics Inc. · 2008
- Water-jet electrode steam generator6US 4,121,090 ASulzer Brothers Limited · 1978
- Electrode-type steam generator5US 4,206,342 ASulzer Brothers Limited · 1980
- Steam generator heated by combination of electric heat and condensation of contaminated process steam5US 4,532,413 AYhtyneet Paperitehtaat Oy · 1985