A63B 21/0083
Of the piston-cylinder type
Official title: {of the piston-cylinder type (using pneumatic piston-cylinder type force resistors A63B21/0087)}
A63B21/0083 (Of the piston-cylinder type) appears on 618 US grants and 398 published applications in this corpus.
Search patents in A63B- Granted patents
- 618
- Published applications
- 398
- Assignees
- 167
- Inventors
- 742
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 11 | 0 |
| 1985 | 2 | 0 |
| 1986 | 14 | 0 |
| 1987 | 11 | 0 |
| 1988 | 16 | 0 |
| 1989 | 20 | 0 |
| 1990 | 13 | 0 |
| 1991 | 19 | 0 |
| 1992 | 16 | 0 |
| 1993 | 28 | 0 |
| 1994 | 29 | 0 |
| 1995 | 21 | 0 |
| 1996 | 17 | 0 |
| 1997 | 18 | 0 |
| 1998 | 16 | 0 |
| 1999 | 13 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 3 |
| 2003 | 1 | 6 |
| 2004 | 6 | 10 |
| 2005 | 6 | 15 |
| 2006 | 4 | 17 |
| 2007 | 6 | 26 |
| 2008 | 7 | 11 |
| 2009 | 15 | 11 |
| 2010 | 16 | 16 |
| 2011 | 16 | 12 |
| 2012 | 13 | 11 |
| 2013 | 9 | 12 |
| 2014 | 7 | 18 |
| 2015 | 17 | 28 |
| 2016 | 30 | 31 |
| 2017 | 22 | 30 |
| 2018 | 30 | 30 |
| 2019 | 26 | 23 |
| 2020 | 23 | 23 |
| 2021 | 17 | 13 |
| 2022 | 13 | 12 |
| 2023 | 14 | 11 |
| 2024 | 8 | 9 |
| 2025 | 7 | 11 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Isokinetic and isometric strength assessment, rehabilitation and exercise machine9 Jun 2026US 12,649,080 B1Poseidon Strength, LLC
- Foldable leg lift machine2 Jun 2026US 12,643,008 B1
- Exercise apparatus21 Apr 2026US 12,605,592 B2
- Exercise apparatus with rotatable CAM3 Mar 2026US 12,564,755 B2Keiser Corporation
- Door or wall mount pro training boxing device3 Mar 2026US 12,564,773 B2Precision Pro Trainer, LLC
- Leg-training exerciser30 Jul 2026US 2026/0216561 A1
- Leg-training exerciser23 Jul 2026US 2026/0207991 A1
- Foldable leg lift machine with a resistance linkage mechanism16 Jul 2026US 2026/0199729 A1
- Isokinetic and Isometric Strength Assessment, Rehabilitation and Exercise Machine11 Jun 2026US 2026/0158317 A1Poseidon Strength, LLC
- Exercise apparatus with rotatable cam11 Jun 2026US 2026/0158322 A1Keiser Corporation
Most cited
By later US patents
- Exercise machine with motivational display283US 5,149,084 AProform Fitness Products, Inc. · 1992
- Computerized drive mechanism for exercise, physical therapy and rehabilitation200US 4,919,418 A1990
- Robotic exercise machine and method180US 4,235,437 A1980
- Programmed pedal platform exercise apparatus171US 5,279,529 A1994
- Multipurpose exerciser164US 4,813,667 AWeslo, Inc. · 1989