B62M 13/02
Transmissions characterised by use of friction rollers engaging the periphery of the
Official title: with changeable ratio, e.g. with roller of varying diameter
B62M13/02 (Transmissions characterised by use of friction rollers engaging the periphery of the) appears on 13 US grants and 5 published applications in this corpus.
Search patents in B62M- Granted patents
- 13
- Published applications
- 5
- Assignees
- 1
- Inventors
- 13
- Latest grant
- 28 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Continuously variable reciprocating prime mover and vehicle comprising the same28 Jun 2022US 11,370,507 B2
- Lever driven bicycle with synchronous drive ratio control28 May 2019US 10,300,987 B2
- Universal low-friction bicycle hub transmission22 Sep 2015US 9,139,254 B2
- Variable speed direct drive transmission22 Jan 2013US 8,357,072 B2Cakir Aga Motorlu Tasitlar Sanayi ve Ticaret Ltd. Sti.
- Bicycle power assist1 Sep 1998US 5,799,747 A
- Continuously variable reciprocating prime mover and vehicle comprising the same31 Dec 2020US 2020/0407017 A1
- Lever driven bicycle with synchronous drive ratio control31 May 2018US 2018/0148130 A1
- Universal low-friction bicycle hub transmission9 Oct 2014US 2014/0302963 A1
- Variable speed direct drive transmission15 Mar 2012US 2012/0065021 A1Cakir Aga Motorlu Tasitlar Sanayi ve Ticaret Ltd. Sti.
- Automatic transmission for electric bicycle7 Mar 2002US 2002/0027026 A1
Most cited
By later US patents
- Electric and pedal driven bicycle with solar charging119US 5,316,101 A1994
- Multi-speed transmission for friction driven cycles66US 4,579,188 A1986
- Electric and pedal driven bicycle with solar charging25US 5,237,263 A1993
- Automatic friction drive transmission18US 3,934,481 A1976
- Variable speed shaft drive mechanism for bicycles15US 5,136,892 A1992