B29L 2031/774
Springs
Official title: {Springs}
B29L2031/774 (Springs) appears on 113 US grants and 90 published applications in this corpus.
Search patents in B29L- Granted patents
- 113
- Published applications
- 90
- Assignees
- 96
- Inventors
- 266
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 15 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 7 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 4 |
| 2006 | 3 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 0 | 4 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 4 | 2 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 5 |
| 2016 | 0 | 7 |
| 2017 | 2 | 5 |
| 2018 | 4 | 3 |
| 2019 | 3 | 8 |
| 2020 | 4 | 0 |
| 2021 | 4 | 10 |
| 2022 | 3 | 7 |
| 2023 | 4 | 4 |
| 2024 | 9 | 3 |
| 2025 | 4 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Welding apparatus for strings of springs12 May 2026US 12,622,530 B2L&P Property Management Company
- Methods of manufacturing gas spring end member assemblies and gas spring assemblies including same12 May 2026US 12,624,738 B2Firestone Industrial Products Company, LLC
- Composite material capable of measuring bending deformation, spring including the same, and manufacturing method thereof25 Nov 2025US 12,480,556 B2Korea Advanced Institute of Science and Technology
- Sectioned pocketed spring assembly11 Mar 2025US 12,245,701 B2L&P Property Management Company
- Augmented manufacturing by embedding autonomous interactions between manufactured components and manufacturing machines25 Feb 2025US 12,233,604 B1United States of America as represented by the Administrator of NASA
- End member assemblies as well as gas spring assemblies including same20 Aug 2026US 2026/0243325 A1Firestone Industrial Products Company, LLC
- Method for manufacturing a composite leaf spring and use of such a leaf in a vehicle suspension system23 Jul 2026US 2026/0208460 A1Newtton
- Aligned Liquid Crystal Elastomer Structures for Mechanical Damping11 Jun 2026US 2026/0159710 A1Oregon State University
- Method of manufacturing a hybrid metal-composite component unit suitable for an aeronautical application25 Dec 2025US 2025/0387983 A1Airbus Helicopters Deutschland GmbH
- Method for manufacturing a blade for a suspension24 Jul 2025US 2025/0236061 A1Jtekt Europe
Most cited
By later US patents
- Method of making polyester elastomer compression spring and resulting product106US 4,198,037 AMiner Enterprises, Inc. · 1980
- Energy absorbing elements comprising rigid non-elastomeric layer and visco-elastic layer with twisted fiber bundles embedded therein96US 4,278,726 AN. V. Bekaert S. A. · 1981
- Panel structure with composite coupling89US 4,757,658 A1988
- Polymeric apparatus and method of making the same84US 4,566,678 AMiner Enterprises, Inc. · 1986
- Carbon fiber reinforced composite coil spring68US 4,260,143 ACelanese Corporation · 1981