E03D 9/08
Devices in the bowl producing upwardly-directed sprays
Official title: Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices (showers A47K3/28; bathing devices for special therapeutic or hygienic purposes A61H33/00, for specific parts of the body A61H35/00 ){; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting}
E03D9/08 (Devices in the bowl producing upwardly-directed sprays) appears on 662 US grants and 650 published applications in this corpus.
Search patents in E03D- Granted patents
- 662
- Published applications
- 650
- Assignees
- 177
- Inventors
- 1,223
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 11 | 0 |
| 1987 | 9 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 7 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 19 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 1 |
| 2002 | 10 | 6 |
| 2003 | 7 | 10 |
| 2004 | 12 | 12 |
| 2005 | 11 | 24 |
| 2006 | 12 | 15 |
| 2007 | 6 | 18 |
| 2008 | 5 | 17 |
| 2009 | 5 | 10 |
| 2010 | 2 | 12 |
| 2011 | 8 | 27 |
| 2012 | 13 | 13 |
| 2013 | 10 | 22 |
| 2014 | 9 | 14 |
| 2015 | 18 | 22 |
| 2016 | 18 | 28 |
| 2017 | 30 | 43 |
| 2018 | 26 | 52 |
| 2019 | 44 | 37 |
| 2020 | 39 | 41 |
| 2021 | 26 | 47 |
| 2022 | 35 | 35 |
| 2023 | 31 | 32 |
| 2024 | 32 | 47 |
| 2025 | 29 | 35 |
| 2026 | 28 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bidet apparatus6 Oct 2026US 12,753,599 B2Dookie LLC
- Systems for human waste collection and processing29 Sep 2026US 12,747,570 B2Hamilton Sundstrand Space Systems International, Inc.
- Systems for human waste collection and processing1 Sep 2026US 12,723,392 B2Hamilton Sundstrand Space Systems International, Inc.
- Multi-head fluidic oscillators4 Aug 2026US 12,698,623 B2Kohler Co.
- Toilet spray washing device and smart toilet28 Jul 2026US 12,692,691 B2Intonic (Europe), Lda
- Cleaning routine for a bidet nozzle of an integrated toilet-bidet unit, and sanitary unit for a public transport vehicle8 Oct 2026US 2026/0308898 A1Siemens Mobility GmbH
- Oscillating wand bidet17 Sep 2026US 2026/0273552 A1Kohler Co.
- Spray pipe assembly, a spray pipe device, and a toilet3 Sep 2026US 2026/0258646 A1Shanghai Kohler Electronics, Ltd.
- Handheld Toilet Bolt Cutting Device20 Aug 2026US 2026/0243077 A1Sunmax Products, Inc.
- Cleaning device for cleaning toilets23 Jul 2026US 2026/0210101 A1
Most cited
By later US patents
- Shower-bath arrangement73US 3,971,074 A1976
- Fluid heating device and cleaning device using the same63US 7,372,002 B2Matsushita Electric Industrial Co., Ltd. · 2008
- Portable therapeutic sitz-bath, shower and bidet combination62US 4,287,618 A1981
- Mixing device60US 4,965,894 AAltura Leiden Holding B.V. · 1990
- Human body cleaner58US 6,754,912 B1Toto Ltd. · 2004