F16H 7/08
Means for varying tension of belts, ropes or chains
Official title: Means for varying tension of belts, ropes or chains (pulleys of adjustable construction F16H55/52)
F16H7/08 (Means for varying tension of belts, ropes or chains) appears on 2,538 US grants and 2,055 published applications in this corpus.
Search patents in F16H- Granted patents
- 2,538
- Published applications
- 2,055
- Assignees
- 735
- Inventors
- 3,599
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 24 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 20 | 0 |
| 1982 | 14 | 0 |
| 1983 | 17 | 0 |
| 1984 | 23 | 0 |
| 1985 | 49 | 0 |
| 1986 | 35 | 0 |
| 1987 | 41 | 0 |
| 1988 | 45 | 0 |
| 1989 | 57 | 0 |
| 1990 | 52 | 0 |
| 1991 | 71 | 0 |
| 1992 | 37 | 0 |
| 1993 | 57 | 0 |
| 1994 | 42 | 0 |
| 1995 | 37 | 0 |
| 1996 | 29 | 0 |
| 1997 | 42 | 0 |
| 1998 | 50 | 0 |
| 1999 | 54 | 0 |
| 2000 | 62 | 0 |
| 2001 | 57 | 27 |
| 2002 | 60 | 63 |
| 2003 | 61 | 89 |
| 2004 | 45 | 100 |
| 2005 | 55 | 93 |
| 2006 | 58 | 83 |
| 2007 | 37 | 80 |
| 2008 | 45 | 86 |
| 2009 | 48 | 97 |
| 2010 | 47 | 81 |
| 2011 | 61 | 91 |
| 2012 | 58 | 59 |
| 2013 | 61 | 64 |
| 2014 | 54 | 80 |
| 2015 | 69 | 92 |
| 2016 | 79 | 107 |
| 2017 | 95 | 128 |
| 2018 | 89 | 125 |
| 2019 | 84 | 112 |
| 2020 | 118 | 88 |
| 2021 | 79 | 73 |
| 2022 | 68 | 62 |
| 2023 | 64 | 59 |
| 2024 | 62 | 47 |
| 2025 | 53 | 36 |
| 2026 | 19 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16H 2007/0802Actuators for final output membersIndexing code1,491
- F16H 7/10By adjusting the axis of a pulley1,261
- F16H 2007/0889Path of movement of the finally actuated memberIndexing code975
- F16H 2007/0863Finally actuated membersIndexing code917
- F16H 7/0848With means for impeding reverse motion618
- F16H 7/0829With vibration damping means412
- F16H 2007/0876Control or adjustment of actuatorsIndexing code364
- F16H 2007/0842Mounting or support of tensionerIndexing code198
Recent patents
- Belt tension adjustment system6 Oct 2026US 12,753,826 B2Husqvarna AB
- Belt drive system for centrifugal pump priming accessories29 Sep 2026US 12,747,690 B2Cornell Pump Company
- Mower drive belt tensioner and drive train of mower22 Sep 2026US 12,742,488 B2Kubota Corporation
- Low noise power systems and associated methods8 Sep 2026US 12,729,750 B2Illinois Tool Works Inc.
- Tensioning apparatus4 Aug 2026US 12,698,821 B2The Timken Company
- Movable volatile organic compounds (voc) rotor anti-skid chain implement24 Sep 2026US 2026/0293568 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Motor mounting assembly and method of use27 Aug 2026US 2026/0250075 A1The Overly Hautz Motor Base Company
- High-offset belt tensioner with counterbalance torsion spring force27 Aug 2026US 2026/0251206 A1Muviq S.R.L.
- Device and method for removing a lock-up pin of a tensioner for a belt drive20 Aug 2026US 2026/0241521 A1Muviq S.R.L.
- Timing chain tensioner guide13 Aug 2026US 2026/0235191 A1Katech Engineering, LLC
Most cited
By later US patents
- Belt tensioner with pivot bushing163US 6,682,452 B2Dayco Products, Inc. · 2004
- Drive means for the shaft of a mobile apparatus116US 4,508,523 AFerag AG · 1985
- Pressure relief valve and dual path vent disc for hydraulic tensioner113US 6,322,468 B1BorgWarner Inc. · 2001
- Belt tensioner with variably proportional damping106US 4,473,362 ALitens Automotive · 1984
- Serpentine drive with coil spring-one-way clutch alternator connection100US 5,156,573 ALitens Automotive Partnership · 1992