A47L 11/4086
Arrangements for steam generation
Official title: {Arrangements for steam generation}
A47L11/4086 (Arrangements for steam generation) appears on 219 US grants and 284 published applications in this corpus.
Search patents in A47L- Granted patents
- 219
- Published applications
- 284
- Assignees
- 95
- Inventors
- 422
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 4 | 12 |
| 2004 | 0 | 5 |
| 2005 | 7 | 4 |
| 2006 | 3 | 10 |
| 2007 | 3 | 14 |
| 2008 | 1 | 6 |
| 2009 | 4 | 7 |
| 2010 | 6 | 6 |
| 2011 | 8 | 6 |
| 2012 | 1 | 5 |
| 2013 | 9 | 7 |
| 2014 | 6 | 19 |
| 2015 | 5 | 6 |
| 2016 | 10 | 22 |
| 2017 | 15 | 16 |
| 2018 | 11 | 10 |
| 2019 | 13 | 18 |
| 2020 | 10 | 8 |
| 2021 | 13 | 18 |
| 2022 | 14 | 13 |
| 2023 | 19 | 10 |
| 2024 | 9 | 28 |
| 2025 | 6 | 21 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric steam cleaner11 Aug 2026US 12,702,222 B1Shenzhen Sulang Technology Co., Ltd
- Surface cleaning apparatus with steam delivery30 Jun 2026US 12,667,238 B2BISSELL Inc.
- Animal cleaning device23 Jun 2026US 12,660,796 B2Divia La Penna Design Studio Inc.
- Extraction cleaner with rotating tool grip23 Jun 2026US 12,660,974 B2BISSELL Inc.
- System and method for centralized steam cleaning12 May 2026US 12,622,564 B2Clean Core LLC
- Stationary service appliance for a poly functional roaming device8 Oct 2026US 2026/0310224 A1AI Incorporated
- Cleaner and cleaner control method24 Sep 2026US 2026/0283434 A1LG Electronics Inc.
- Animal cleaning device17 Sep 2026US 2026/0271877 A1Divia La Penna Design Studio Inc.
- Surface cleaning apparatus with steam delivery17 Sep 2026US 2026/0272242 A1BISSELL Inc.
- Cleaning device, and method for controlling a cleaning device taking scaling into consideration6 Aug 2026US 2026/0224086 A1Carl Freudenberg KG
Most cited
By later US patents
- Asbestos removal method and system97US 4,872,920 A1989
- Steam mop with shuttling steam distributor95US 8,353,074 B2BISSELL Homecare, Inc. · 2013
- Machine to wash surfaces85US 4,369,544 ANovum in Elettrodomestica Srl · 1983
- Carpet cleaning machine76US 4,167,799 A1979
- Surface cleaning apparatus65US 10,092,155 B2BISSELL Homecare, Inc. · 2018