A63B 21/154
Using special pulley-assemblies
Official title: {using special pulley-assemblies}
A63B21/154 (Using special pulley-assemblies) appears on 2,138 US grants and 1,817 published applications in this corpus.
Search patents in A63B- Granted patents
- 2,138
- Published applications
- 1,817
- Assignees
- 546
- Inventors
- 2,430
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 15 | 0 |
| 1982 | 11 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 12 | 0 |
| 1986 | 21 | 0 |
| 1987 | 20 | 0 |
| 1988 | 20 | 0 |
| 1989 | 30 | 0 |
| 1990 | 38 | 0 |
| 1991 | 28 | 0 |
| 1992 | 32 | 0 |
| 1993 | 40 | 0 |
| 1994 | 49 | 0 |
| 1995 | 34 | 0 |
| 1996 | 30 | 0 |
| 1997 | 33 | 0 |
| 1998 | 44 | 0 |
| 1999 | 43 | 0 |
| 2000 | 32 | 0 |
| 2001 | 26 | 6 |
| 2002 | 30 | 33 |
| 2003 | 36 | 39 |
| 2004 | 24 | 45 |
| 2005 | 13 | 38 |
| 2006 | 27 | 44 |
| 2007 | 28 | 61 |
| 2008 | 26 | 50 |
| 2009 | 48 | 41 |
| 2010 | 76 | 64 |
| 2011 | 63 | 61 |
| 2012 | 37 | 40 |
| 2013 | 45 | 54 |
| 2014 | 43 | 85 |
| 2015 | 53 | 55 |
| 2016 | 74 | 85 |
| 2017 | 82 | 108 |
| 2018 | 77 | 96 |
| 2019 | 102 | 85 |
| 2020 | 88 | 111 |
| 2021 | 90 | 102 |
| 2022 | 109 | 99 |
| 2023 | 83 | 102 |
| 2024 | 92 | 113 |
| 2025 | 108 | 116 |
| 2026 | 68 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Driving device and exercise equipment including same6 Oct 2026US 12,752,144 B2LG Electronics Inc.
- Single stud wall mountable exercise machine6 Oct 2026US 12,752,148 B2Amp Fit Israel Ltd
- Resistance training system15 Sep 2026US 12,734,393 B2Dongguan Yiketang Management Co., ltd
- Shoulder muscle exercise machine15 Sep 2026US 12,734,401 B2Rotator Cuff Rehab, LLC
- Arm, leg and core exercise machines15 Sep 2026US 12,734,426 B2
- Lifting bar weight resistance with self-locking weight plate rods producing varying weight loads for an exercise machine8 Oct 2026US 2026/0306897 A1
- Exercise machine line spool8 Oct 2026US 2026/0306898 A1Tonal Systems, Inc.
- Single stud wall mountable exercise machine8 Oct 2026US 2026/0306900 A1Amp Fit Israel Ltd
- Exercise machine enhancements8 Oct 2026US 2026/0306901 A1Tonal Systems, Inc.
- Foldable leg lift machine saving storage space and reducing cost8 Oct 2026US 2026/0306902 A1
Most cited
By later US patents
- Virtual reality exercise machine and computer controlled video system671US 5,577,981 A1996
- Computer controlled exercise system434US 4,934,694 A1990
- Enhanced core movement training bench262US 5,066,005 A1991
- Cable crossover exercise apparatus248US 6,238,323 B1The Simonson Family Limited Partnership RLLLP · 2001
- Variable resistance exercise device236US 6,027,429 ANordicTrack, Inc. · 2000