F16H 21/28
With cams or additional guides
Official title: with cams or additional guides
F16H21/28 (With cams or additional guides) appears on 37 US grants and 18 published applications in this corpus.
Search patents in F16H- Granted patents
- 37
- Published applications
- 18
- Assignees
- 13
- Inventors
- 50
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 3 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Linear drive assembly28 Jul 2026US 12,692,929 B2Kerr Machine Co.
- Continuously variable transmission8 Jul 2025US 12,352,342 B2Dob Co., Ltd.
- Anti-backlash apparatus and an actuator with anti-backlash transmission10 Jun 2025US 12,326,323 B2BAE Systems Controls Inc.
- Linear drive assembly3 Jun 2025US 12,320,409 B2Kerr Machine Co.
- Wall-proximity furniture member having sync mechanism11 Apr 2023US 11,622,629 B2La-Z-Boy Incorporated
- Linear drive assembly21 Aug 2025US 2025/0264151 A1Kerr Machine Co.
- Continuously variable transmission23 Jan 2025US 2025/0027556 A1Dob Co., Ltd.
- Linear drive assembly16 Jan 2025US 2025/0020192 A1Kerr Machine Co.
- Hair-cutting roller brush and cleaning device with reusable drive structure17 Oct 2024US 2024/0341464 A1Ningbo Fujia Industrial Co., Ltd.
- Blade driving structure, hair cutting rolling brush, and cleaning device3 Oct 2024US 2024/0324830 A1Ningbo Fujia Industrial Co., Ltd.
Most cited
By later US patents
- Motion converter with pinion sector/rack interface29US 5,259,256 A1993
- Reciprocating engine24US 4,319,498 A1982
- Internal combustion engine with optimum torque output22US 5,711,267 A1998
- Device for converting between rotary and rectilinear motion15US 4,590,812 A1986
- Epitrochoidal crankshaft mechanism and method12US 7,185,557 B22007