B62K 3/12
Tandems
B62K3/12 (Tandems) appears on 61 US grants and 48 published applications in this corpus.
Search patents in B62K- Granted patents
- 61
- Published applications
- 48
- Assignees
- 18
- Inventors
- 86
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 2 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 2 | 5 |
| 2013 | 1 | 2 |
| 2014 | 4 | 2 |
| 2015 | 2 | 5 |
| 2016 | 4 | 6 |
| 2017 | 3 | 2 |
| 2018 | 4 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 0 | 0 |
| 2022 | 2 | 6 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pedal bar system and method2 Jun 2026US 12,643,626 B2Sarka Party Bike, LLC
- Railbikes with reversible direction of travel26 May 2026US 12,637,115 B2
- Tracked vehicle24 Mar 2026US 12,583,538 B2Polaris Industries Inc.
- Transformable bicycle or tricycle2 Apr 2024US 11,945,536 B2
- Rod piece connection device, and bicycle frame and tandem bicycle frame having the same7 Mar 2023US 11,597,464 B2
- Tracked Vehicle2 Jul 2026US 2026/0184394 A1Polaris Industries Inc.
- Tandem Bicycle Device5 Mar 2026US 2026/0062086 A1
- Railbikes with reversible direction of travel14 Mar 2024US 2024/0083469 A1
- Pedal bar system and method15 Feb 2024US 2024/0051639 A1Sarka Party Bike, LLC
- Three-wheeled vehicle6 Jul 2023US 2023/0211843 A1
Most cited
By later US patents
- Multiple rider bicycle drive line system including multiple continuously variable transmissions163US 5,375,865 A1994
- Bike system for use in rehabilitation of a patient116US 9,802,081 B2Case Western Reserve University · 2017
- Dual and single seat composite bicycle frames and fabrication methods therefore54US 5,215,322 A1993
- Three wheeled vehicle41US 8,544,587 B2Polaris Industries Inc. · 2013
- Semirecumbent tandem bicycle30US 4,502,705 A1985