Keiser Corporation
Fresno, CA, US· latest recorded location
Keiser Corporation is named on 17 US grants and 14 published applications in this corpus. Its most frequent classification is A63B (Apparatus for physical training, gymnastics, swimming, climbing, or fencing).
- Granted patents
- 17
- Published applications
- 14
- Inventors
- 2
- Granted in 2026 so far
- 2
- Most recent grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 4 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 1 |
| 2011 | 4 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 31 documents
- A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing24
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8
- A61BMedical diagnosis and surgery5
- F16HGearing1
- G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure1
Recent patents
- System and method for determining endurance of a muscle group23 Jun 2026US 12,661,048 B2
- Exercise apparatus with rotatable CAM3 Mar 2026US 12,564,755 B2
- System for testing muscular power3 Sep 2013US 8,523,789 B2
- Exercise apparatus using weight and pneumatic resistances4 Dec 2012US 8,323,158 B2
- Exercise bike15 May 2012US D659,778 S1Design
- System and method for determining endurance of a muscle group8 Oct 2026US 2026/0305999 A1
- Exercise apparatus with rotatable cam11 Jun 2026US 2026/0158322 A1
- Exercise apparatus with rotatable cam7 Nov 2024US 2024/0366990 A1
- System and method for determining endurance of a muscle group13 Apr 2023US 2023/0115911 A1
- Eccentric idler12 Feb 2015US 2015/0045190 A1
Most cited
By later US patents
- Pneumatic exercising device55US 4,257,593 A1981
- Exercise apparatus55US 7,172,538 B22007
- Exercise apparatus using weight and pneumatic resistances50US 8,323,158 B22012
- Exercise bike30US D586,409 S12009 · Design
- System and method for determining a resistance level for training a muscle group for maximum power generation29US 8,052,584 B22011