A47K 13/02
Seats or covers for all kinds of closets: of plastic materials
Official title: of plastic materials
A47K13/02 (Seats or covers for all kinds of closets: of plastic materials) appears on 70 US grants and 86 published applications in this corpus.
Search patents in A47K- Granted patents
- 70
- Published applications
- 86
- Assignees
- 28
- Inventors
- 145
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 5 |
| 2015 | 0 | 2 |
| 2016 | 4 | 3 |
| 2017 | 6 | 13 |
| 2018 | 12 | 6 |
| 2019 | 7 | 5 |
| 2020 | 5 | 4 |
| 2021 | 3 | 6 |
| 2022 | 5 | 6 |
| 2023 | 2 | 8 |
| 2024 | 3 | 3 |
| 2025 | 3 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Toilet seat assembly with UV light16 Jun 2026US 12,653,357 B2AS America, Inc.
- Toilet seat assembly28 Oct 2025US 12,453,447 B2Bemis Manufacturing Company
- Flexible toilet seat19 Aug 2025US 12,390,061 B2Kohler Co.
- Toilet seat8 Apr 2025US 12,268,342 B2Kohler Co.
- Toilet cover plate and toilet17 Dec 2024US 12,167,818 B2Kohler (China) Investment Co., Ltd.
- Anti-slip toilet seat apparatus with dual-sided extensions for a toilet bowl5 Mar 2026US 2026/0060486 A1
- Flexible toilet seat20 Nov 2025US 2025/0352009 A1Kohler Co.
- Toilet seat assembly with elevated ring11 Sep 2025US 2025/0281013 A1Kohler Co.
- Resin molded member having excellent scratch resistance and durability12 Jun 2025US 2025/0185857 A1Toto Ltd.
- Toilet Seat That Facilitates Defecation20 Feb 2025US 2025/0057371 A1
Most cited
By later US patents
- Resilient seats and cover lids therefor for water closets19US 3,988,789 ANew Century Products Co., Ltd. · 1976
- Cushioned toilet seat assembly19US 4,155,127 A1979
- Non-shiftable toilet seat assembly19US 4,747,167 A1988
- Toilet seat and lid assembly18US 6,154,892 A2000
- Method of making resilient seats and cover lids therefor for water closets17US 4,318,213 ANew Century Products Co., Ltd. · 1982