A47H 23/04
Shapes of curtains
A47H23/04 (Shapes of curtains) appears on 117 US grants and 141 published applications in this corpus.
Search patents in A47H- Granted patents
- 117
- Published applications
- 141
- Assignees
- 59
- Inventors
- 229
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 7 |
| 2004 | 3 | 4 |
| 2005 | 1 | 8 |
| 2006 | 3 | 10 |
| 2007 | 4 | 12 |
| 2008 | 4 | 11 |
| 2009 | 2 | 9 |
| 2010 | 4 | 13 |
| 2011 | 4 | 7 |
| 2012 | 2 | 2 |
| 2013 | 0 | 4 |
| 2014 | 1 | 5 |
| 2015 | 3 | 2 |
| 2016 | 4 | 8 |
| 2017 | 5 | 5 |
| 2018 | 6 | 5 |
| 2019 | 0 | 5 |
| 2020 | 6 | 4 |
| 2021 | 0 | 3 |
| 2022 | 2 | 4 |
| 2023 | 2 | 5 |
| 2024 | 3 | 2 |
| 2025 | 3 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Separable hospital curtain25 Aug 2026US 12,714,251 B2Cintas Corporate Services, Inc.
- Separable hospital curtain23 Jun 2026US 12,660,958 B2Cintas Corporate Services, Inc.
- Height adjustable hospital curtain29 Jul 2025US 12,369,738 B2Cintas Corporate Services, Inc.
- Systems and methods of modifying a body of fabric29 Apr 2025US 12,285,063 B2The Hmz Company Pty Ltd
- Snap fastener with hook28 Jan 2025US 12,207,752 B1YKK Corporation of America
- Method for manufacturing curtain body, and curtain body18 Jun 2026US 2026/0165525 A1Hangzhou Jisenchuan Trading Co., Ltd
- Curtain system and a lockable quick-change system for use therewith and method9 Apr 2026US 2026/0096681 A1Bannack Medical LLC
- Curtain Extension System and Methods of Use25 Sep 2025US 2025/0295259 A1
- Snap fastener with hook1 May 2025US 2025/0134215 A1YKK Corporation of America
- Detachable Curtain13 Feb 2025US 2025/0049245 A1Zhejiang Sitang Technology Group Co., LTD
Most cited
By later US patents
- Apparatus for insulating against conductive, convective and radiant heat transmission100US 4,194,550 AInsulating Shade (Limited Partnership) · 1980
- Retractable shade with collapsible vanes66US 7,111,659 B2Hunter Douglas Inc. · 2006
- Vertical window covering systems62US 4,915,153 A1990
- Curtain rod with attachment surfaces53US 5,673,741 A1997
- Blanket shade for window frame40US 4,802,523 A1989