F16H 2007/0806
Compression coil springs
Official title: {Compression coil springs}
F16H2007/0806 (Compression coil springs) appears on 728 US grants and 638 published applications in this corpus.
Search patents in F16H- Granted patents
- 728
- Published applications
- 638
- Assignees
- 198
- Inventors
- 1,015
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 11 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 17 | 0 |
| 1989 | 10 | 0 |
| 1990 | 14 | 0 |
| 1991 | 24 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 14 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 23 | 0 |
| 1998 | 15 | 0 |
| 1999 | 20 | 0 |
| 2000 | 18 | 0 |
| 2001 | 12 | 18 |
| 2002 | 23 | 21 |
| 2003 | 20 | 24 |
| 2004 | 14 | 34 |
| 2005 | 17 | 38 |
| 2006 | 22 | 29 |
| 2007 | 15 | 31 |
| 2008 | 18 | 32 |
| 2009 | 18 | 32 |
| 2010 | 23 | 35 |
| 2011 | 19 | 39 |
| 2012 | 22 | 27 |
| 2013 | 23 | 25 |
| 2014 | 18 | 15 |
| 2015 | 29 | 23 |
| 2016 | 18 | 19 |
| 2017 | 22 | 40 |
| 2018 | 25 | 26 |
| 2019 | 20 | 40 |
| 2020 | 26 | 17 |
| 2021 | 24 | 18 |
| 2022 | 19 | 11 |
| 2023 | 8 | 12 |
| 2024 | 13 | 12 |
| 2025 | 16 | 8 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mower drive belt tensioner and drive train of mower22 Sep 2026US 12,742,488 B2Kubota Corporation
- Tensioning apparatus4 Aug 2026US 12,698,821 B2The Timken Company
- Power transmission device, medium transport device, and recording device4 Aug 2026US 12,698,822 B2Seiko Epson Corporation
- Shuttling mechanical tensioner for control of chain drives with alternating tight and slack strands23 Jun 2026US 12,663,060 B2BorgWarner Inc.
- Belt drive system17 Feb 2026US 12,553,510 B2Intelligrated Headquarters, LLC
- Motor mounting assembly and method of use27 Aug 2026US 2026/0250075 A1The Overly Hautz Motor Base Company
- Timing belt tensioner and processing apparatus6 Aug 2026US 2026/0226963 A1Shenzhen Tuozhu Technology Co., Ltd.
- High-offset belt tensioner with a non-rotatable pulley bolt or bolt system23 Jul 2026US 2026/0210425 A1Muviq USA, LLC
- High-offset belt tensioner with a non-rotatable pulley bolt or bolt system23 Jul 2026US 2026/0210426 A1Muviq USA, LLC
- Belt tensioning apparatus for belt driven systems23 Jul 2026US 2026/0210427 A1Springland Manufacturing
Most cited
By later US patents
- Pressure relief valve and dual path vent disc for hydraulic tensioner113US 6,322,468 B1BorgWarner Inc. · 2001
- Combination starter-generator80US 6,821,223 B2Delphi Technologies, Inc. · 2004
- Hydraulic timing chain tensioner assembly69US 6,609,987 B1General Motors Corporation · 2003
- Tensioner with improved damping device63US 6,193,623 B1Ina Walzlager Schaeffler oHG · 2001
- Laundry appliance63US 7,257,905 B2Fisher & Paykel Appliances Limited · 2007