F16H 15/28
With external friction surface
Official title: with external friction surface
F16H15/28 (With external friction surface) appears on 257 US grants and 333 published applications in this corpus.
Search patents in F16H- Granted patents
- 257
- Published applications
- 333
- Assignees
- 19
- Inventors
- 172
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 5 |
| 2005 | 2 | 51 |
| 2006 | 18 | 1 |
| 2007 | 34 | 25 |
| 2008 | 20 | 31 |
| 2009 | 4 | 5 |
| 2010 | 13 | 7 |
| 2011 | 11 | 5 |
| 2012 | 7 | 4 |
| 2013 | 11 | 16 |
| 2014 | 10 | 17 |
| 2015 | 12 | 20 |
| 2016 | 14 | 22 |
| 2017 | 19 | 28 |
| 2018 | 20 | 37 |
| 2019 | 13 | 26 |
| 2020 | 8 | 5 |
| 2021 | 5 | 3 |
| 2022 | 4 | 4 |
| 2023 | 4 | 6 |
| 2024 | 6 | 5 |
| 2025 | 3 | 4 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmissions25 Aug 2026US 12,715,546 B2enviolo B.V.
- Hardened slot walls in a skew shifting continuous variable planetary system5 May 2026US 12,618,464 B2enviolo B.V.
- Rocker link shifting system for a continuously variable transmission17 Mar 2026US 12,576,947 B1enviolo B.V.
- Passive calibration of a mechatronic device mated to a continuously variable planetary (CVP) hub3 Mar 2026US 12,565,924 B2enviolo B.V.
- Reversible variable drives and systems and methods for control in forward and reverse directions14 Oct 2025US 12,442,434 B2enviolo B.V.
- Passive calibration of a mechatronic device mated to a continuously variable planetary (cvp) hub9 Jul 2026US 2026/0194127 A1enviolo B.V.
- Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same31 Jul 2025US 2025/0243926 A1enviolo B.V.
- Passive calibration of a mechatronic device mated to a continuously variable planetary (cvp) hub12 Jun 2025US 2025/0189017 A1enviolo B.V.
- Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmissions24 Apr 2025US 2025/0128787 A1enviolo B.V.
- Hardened slot walls in a skew shifting continuous variable planetary system13 Mar 2025US 2025/0084921 A1enviolo B.V.
Most cited
By later US patents
- Driving hub for a vehicle, particularly a bicycle, with an infinitely adjustable transmission ratio275US 5,318,486 AFichtel & Sachs AG · 1994
- Continuously variable transmission243US 6,419,608 B1Motion Technologies, LLC · 2002
- Driving hub for a vehicle, particularly a bicycle, with an infinitely variable adjustable transmission ratio242US 5,236,403 AFichtel & Sachs AG · 1993
- Continuously variable transmission242US 6,241,636 B1Motion Technologies, LLC · 2001
- Continuously variable transmission239US 6,689,012 B2Motion Technologies, LLC · 2004