B25B 27/302
Coil springs other than torsion coil springs
Official title: {coil springs other than torsion coil springs}
B25B27/302 (Coil springs other than torsion coil springs) appears on 173 US grants and 69 published applications in this corpus.
Search patents in B25B- Granted patents
- 173
- Published applications
- 69
- Assignees
- 60
- Inventors
- 233
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 10 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 4 | 3 |
| 2006 | 5 | 5 |
| 2007 | 2 | 4 |
| 2008 | 3 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 1 |
| 2011 | 3 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 4 |
| 2014 | 2 | 1 |
| 2015 | 3 | 5 |
| 2016 | 4 | 0 |
| 2017 | 1 | 4 |
| 2018 | 3 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 4 |
| 2021 | 2 | 1 |
| 2022 | 4 | 4 |
| 2023 | 3 | 7 |
| 2024 | 2 | 2 |
| 2025 | 2 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coupler24 Feb 2026US D1,114,608 S1Design
- Rechargeable battery powered valve spring compressor3 Jun 2025US 12,318,897 B1
- Spring compression tool18 Feb 2025US 12,226,862 B2Leidos Industrial Engineers Limited
- Assembly method and assembly device for suspension device of vehicle and mixed model production line5 Nov 2024US 12,134,437 B2Mazda Motor Corporation
- Biasing member compression fixture15 Oct 2024US 12,115,608 B2Adrian Steel Company
- Torsion spring tensioning tool10 Sep 2026US 2026/0264204 A1Assa Abloy Entrance Systems AB
- Gearbox for automotive service with planetary gear21 May 2026US 2026/0138251 A1
- Torsion spring tensioning tool19 Feb 2026US 2026/0048490 A1Assa Abloy Entrance Systems AB
- Shock absorber attachment jig11 Sep 2025US 2025/0282433 A1Toyota Jidosha Kabushiki Kaisha
- Device for assembling three workpieces together10 Jul 2025US 2025/0222546 A1Global Manufacturing Partners Holdings Limited
Most cited
By later US patents