A47H 5/02
Devices for opening and closing curtains
A47H5/02 (Devices for opening and closing curtains) appears on 227 US grants and 224 published applications in this corpus.
Search patents in A47H- Granted patents
- 227
- Published applications
- 224
- Assignees
- 122
- Inventors
- 391
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 4 |
| 2004 | 3 | 4 |
| 2005 | 3 | 4 |
| 2006 | 2 | 3 |
| 2007 | 0 | 6 |
| 2008 | 3 | 4 |
| 2009 | 0 | 8 |
| 2010 | 6 | 8 |
| 2011 | 2 | 8 |
| 2012 | 3 | 6 |
| 2013 | 7 | 7 |
| 2014 | 7 | 25 |
| 2015 | 19 | 17 |
| 2016 | 8 | 9 |
| 2017 | 9 | 10 |
| 2018 | 9 | 7 |
| 2019 | 9 | 15 |
| 2020 | 8 | 7 |
| 2021 | 6 | 17 |
| 2022 | 8 | 15 |
| 2023 | 8 | 7 |
| 2024 | 7 | 13 |
| 2025 | 6 | 11 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Foldable rail for electric opening-closing curtain14 Jul 2026US 12,677,973 B2Ningbo Liyang New Material Company Limited
- Radiographic inspection device and method of inspecting object16 Jun 2026US 12,653,336 B2Nuctech Company Limited
- Controlling groups of electrical loads via multicast and/or unicast messages16 Jun 2026US 12,659,184 B2Lutron Technology Company LLC
- Manual screw shaft driving device31 Mar 2026US 12,590,624 B2Lin Gwo Tsair Enterprise Co., Ltd.
- Shower curtain closure device3 Feb 2026US 12,538,995 B2
- Controlling groups of electrical loads via multicast and/or unicast messages24 Sep 2026US 2026/0291768 A1Lutron Technology Company LLC
- Window Treatment System Having an Exposed Drapery Rod10 Sep 2026US 2026/0262863 A1Lutron Technology Company LLC
- Pulley module for a curtain actuation system10 Sep 2026US 2026/0262864 A1Forest Group Nederland B.V.
- Foldable-width curtain18 Jun 2026US 2026/0165524 A1Hangzhou Giputa Clothing Co., Ltd.
- Silent suspension system19 Mar 2026US 2026/0076501 A1Cottai Ltd.
Most cited
By later US patents
- Drapery carrier for a string connected carrier system221US 4,473,102 AGraber Industries, Inc. · 1984
- Motor-operated window cover139US 5,467,266 ALutron Electronics Co., Inc. · 1995
- Vertical window covering systems62US 4,915,153 A1990
- Method of automatically assigning device addresses to devices communicating over a common data bus61US 5,671,387 ALutron Electronics Co., Inc. · 1997
- Processor array having a multiplicity of processor elements and method of transmitting electricity between processor elements56US 7,941,676 B2Infineon Technologies AG · 2011