B62M 1/28
Characterised by the use of flexible drive members
Official title: characterised by the use of flexible drive members, e.g. chains
B62M1/28 (Characterised by the use of flexible drive members) appears on 190 US grants and 164 published applications in this corpus.
Search patents in B62M- Granted patents
- 190
- Published applications
- 164
- Assignees
- 43
- Inventors
- 227
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 4 |
| 2003 | 4 | 5 |
| 2004 | 5 | 2 |
| 2005 | 0 | 5 |
| 2006 | 5 | 7 |
| 2007 | 2 | 3 |
| 2008 | 0 | 14 |
| 2009 | 2 | 6 |
| 2010 | 3 | 9 |
| 2011 | 6 | 5 |
| 2012 | 1 | 7 |
| 2013 | 3 | 5 |
| 2014 | 6 | 11 |
| 2015 | 9 | 9 |
| 2016 | 8 | 7 |
| 2017 | 4 | 8 |
| 2018 | 6 | 7 |
| 2019 | 8 | 10 |
| 2020 | 6 | 12 |
| 2021 | 7 | 10 |
| 2022 | 9 | 6 |
| 2023 | 8 | 4 |
| 2024 | 4 | 3 |
| 2025 | 3 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Quadrupedal tricycle9 Jun 2026US 12,649,539 B1
- Transmission mechanism and bicycle21 Apr 2026US 12,606,268 B2Shenzhen Nanbo Automation Equipment Co., Ltd
- Mobility and exercise vehicle4 Nov 2025US 12,459,595 B2
- Human powered reciprocal (linear) motion drive system, and applications thereof10 Jun 2025US 12,325,485 B2
- Ratchet-driven self-propelled scooter25 Feb 2025US 12,233,983 B2
- Reciprocating-pedaling bicycle10 Sep 2026US 2026/0264800 A1
- Device for the transmission of an effective driving torque from reciprocating motion to circular motion9 Jul 2026US 2026/0192880 A1
- Variable transmission ratio power conversion apparatus28 May 2026US 2026/0145764 A1Crosstepper Me-Mover ApS
- Transmission apparatus and walking device15 Jan 2026US 2026/0015062 A1Enwe Sports Tech (Kunshan) Co., Ltd
- Tricycle propelled by a stair climber mechanism23 Oct 2025US 2025/0326459 A1
Most cited
By later US patents
- Propulsion and speed change mechanism for lever propelled bicycles267US 4,574,649 A1986
- Propulsion mechanism for lever propelled bicycles248US 4,630,839 AAlenax Corp. · 1986
- Pedal driven vehicle237US 4,227,712 A1980
- Drive system237US 5,236,211 A1993
- Propulsion and transmission mechanism for bicycles, similar vehicles and exercise apparatus233US 5,121,654 A1992