A47C 7/30
With springs meandering in a flat plane
Official title: with springs meandering in a flat plane
A47C7/30 (With springs meandering in a flat plane) appears on 64 US grants and 69 published applications in this corpus.
Search patents in A47C- Granted patents
- 64
- Published applications
- 69
- Assignees
- 47
- Inventors
- 115
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 5 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 4 |
| 2014 | 0 | 2 |
| 2015 | 5 | 3 |
| 2016 | 2 | 1 |
| 2017 | 4 | 5 |
| 2018 | 1 | 4 |
| 2019 | 3 | 4 |
| 2020 | 4 | 6 |
| 2021 | 2 | 2 |
| 2022 | 6 | 5 |
| 2023 | 2 | 3 |
| 2024 | 7 | 6 |
| 2025 | 2 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Upholstered-furniture arrangement with upholstery-firmness adjustment, and use thereof10 Feb 2026US 12,543,862 B2Sensoo SA
- Sofa seat frame, sofa base assembly, sofa and sofa production and assembly process21 Oct 2025US 12,446,699 B2Remacro Technology Co., Ltd.
- Encapsulated spring for cushion3 Jun 2025US 12,318,014 B2Trica Inc.
- Sleeper flip furniture10 Dec 2024US 12,161,230 B2Hl Home Furnishings, Inc.
- Seating device with a reclining function8 Oct 2024US 12,108,877 B2H2 Norway AS
- Modular seating assembly18 Jun 2026US 2026/0165482 A1The Lovesac Company
- Joint components used for joining external component28 Aug 2025US 2025/0269578 A1Man Wah Furniture Manufacturing(Shenzhen) Co., Ltd.
- Hook component and sofa backrest assembly7 Aug 2025US 2025/0248531 A1Man Wah Furniture Manufacturing(Shenzhen) Co., Ltd.
- Seat frame for vehicle3 Jul 2025US 2025/0214496 A1Nissan Motor Co., Ltd.
- Seating system with independent suspension10 Apr 2025US 2025/0113919 A1DA International, Inc.
Most cited
By later US patents
- Seating product with sinuous spring assemblies61US 6,116,694 AL&P Property Management Company · 2000
- Chair and seat-back unit therefor59US 4,318,556 A1982
- Rail clip for seat bases30US 6,616,239 B2Hickory Springs Manufacturing Company · 2003
- Vehicle seat30US 7,137,669 B2Ts Tech Co., Ltd. · 2006
- Molded foam spring seat27US 6,565,157 B2Shelby Williams Industries, Inc. · 2003