B29L 2031/751
Mattresses, cushions
Official title: {Mattresses, cushions (upholstery B29L2031/58)}
B29L2031/751 (Mattresses, cushions) appears on 276 US grants and 226 published applications in this corpus.
Search patents in B29L- Granted patents
- 276
- Published applications
- 226
- Assignees
- 150
- Inventors
- 463
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 2 | 2 |
| 2003 | 5 | 5 |
| 2004 | 1 | 6 |
| 2005 | 3 | 5 |
| 2006 | 4 | 6 |
| 2007 | 1 | 6 |
| 2008 | 3 | 3 |
| 2009 | 2 | 8 |
| 2010 | 7 | 8 |
| 2011 | 3 | 10 |
| 2012 | 1 | 5 |
| 2013 | 7 | 8 |
| 2014 | 5 | 12 |
| 2015 | 9 | 18 |
| 2016 | 8 | 20 |
| 2017 | 12 | 19 |
| 2018 | 12 | 11 |
| 2019 | 20 | 10 |
| 2020 | 5 | 11 |
| 2021 | 9 | 9 |
| 2022 | 6 | 8 |
| 2023 | 10 | 10 |
| 2024 | 6 | 10 |
| 2025 | 5 | 12 |
| 2026 | 10 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mobile high frequency chest wall oscillation system having air pods1 Sep 2026US 12,721,776 B2Hill-Rom Services Pte. Ltd.
- Three-dimensional network structure and manufacturing method therefor4 Aug 2026US 12,697,763 B2TOYOBO MC Corporation
- Method for manufacturing a seat cushion and seat cushion as such9 Jun 2026US 12,649,293 B2FAURECIA Sièges d'Automobile
- Method for manufacturing a cushion and cushion2 Jun 2026US 12,643,277 B2Otto Bock Mobility Solutions GmbH
- Welding apparatus for strings of springs12 May 2026US 12,622,530 B2L&P Property Management Company
- Methods for forming cushioning elements on fabric2 Jul 2026US 2026/0184039 A1Purple Innovation, LLC
- Cushion assembly1 Jan 2026US 2026/0000205 A1Lear Corporation
- Internal tensioning structure useable with inflatable devices18 Dec 2025US 2025/0380817 A1Intex Marketing Ltd.
- Internal tensioning structure useable with inflatable devices18 Dec 2025US 2025/0380818 A1Intex Marketing Ltd.
- Internal tensioning structure useable with inflatable devices18 Dec 2025US 2025/0380819 A1Intex Marketing Ltd.
Most cited
By later US patents
- Method of making a custom fitted composite foamed cushion, a preform kit and the resultant product of the process122US 4,828,325 AThe University of Tennessee Research Corporation · 1989
- Air mattress and method of making the same104US 4,025,974 A1977
- Method of manufacturing an air cushion91US 5,925,306 A1999
- Multidensity foam article and method of preparation88US 4,190,697 AMilsco Manufacturing Company · 1980
- Fastener assembly with peripheral temporary attachment layer88US 4,784,890 AMinnesota Mining and Manufacturing Company · 1988