E05Y 2201/47
Springs
E05Y2201/47 (Springs) appears on 920 US grants and 955 published applications in this corpus.
Search patents in E05Y- Granted patents
- 920
- Published applications
- 955
- Assignees
- 588
- Inventors
- 1,949
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 12 | 0 |
| 1988 | 4 | 0 |
| 1989 | 11 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 14 | 0 |
| 2001 | 10 | 4 |
| 2002 | 15 | 12 |
| 2003 | 15 | 16 |
| 2004 | 9 | 22 |
| 2005 | 16 | 21 |
| 2006 | 18 | 19 |
| 2007 | 9 | 22 |
| 2008 | 12 | 30 |
| 2009 | 10 | 12 |
| 2010 | 15 | 22 |
| 2011 | 17 | 24 |
| 2012 | 15 | 27 |
| 2013 | 25 | 26 |
| 2014 | 32 | 19 |
| 2015 | 16 | 26 |
| 2016 | 23 | 18 |
| 2017 | 9 | 17 |
| 2018 | 19 | 33 |
| 2019 | 34 | 52 |
| 2020 | 41 | 72 |
| 2021 | 41 | 103 |
| 2022 | 52 | 95 |
| 2023 | 83 | 93 |
| 2024 | 87 | 58 |
| 2025 | 85 | 65 |
| 2026 | 41 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E05Y 2201/474Compression springsIndexing code265
- E05Y 2201/484Torsion springsIndexing code163
- E05Y 2201/49Wrap springsIndexing code113
- E05Y 2201/488Traction springsIndexing code99
- E05Y 2201/48Leaf or leg springsIndexing code73
- E05Y 2201/478Gas springsIndexing code65
- E05Y 2201/482Ribbon springsIndexing code60
- E05Y 2201/476Disk springsIndexing code12
All 9 subgroupsShow fewer
Recent patents
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Most cited
By later US patents
- Gear for converting a rotary into a translational motion267US 4,819,495 AHormann KG Antriebs- und Steuerungstechnik · 1989
- Remote manual anti-backdrive system for modular rear-mounted window assembly82US 5,836,110 AExcel Industries, Inc. · 1998
- Door hinge with movable and fixed cams81US 5,109,571 ASugatsune Industrial Co., Ltd. · 1992
- Pivot and swivel mechanism for lap top display80US 5,206,790 AZeos International, Inc. · 1993
- Door opening cable system with cable slack take-up80US 5,323,570 AGeneral Motors Corporation · 1994