F16H 21/22
With one connecting-rod and one guided slide to each crank or eccentric
Official title: with one connecting-rod and one guided slide to each crank or eccentric
F16H21/22 (With one connecting-rod and one guided slide to each crank or eccentric) appears on 157 US grants and 112 published applications in this corpus.
Search patents in F16H- Granted patents
- 157
- Published applications
- 112
- Assignees
- 80
- Inventors
- 266
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 3 | 6 |
| 2005 | 4 | 5 |
| 2006 | 2 | 3 |
| 2007 | 6 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 11 |
| 2014 | 2 | 5 |
| 2015 | 9 | 7 |
| 2016 | 5 | 6 |
| 2017 | 5 | 5 |
| 2018 | 3 | 11 |
| 2019 | 7 | 4 |
| 2020 | 6 | 10 |
| 2021 | 9 | 1 |
| 2022 | 4 | 5 |
| 2023 | 3 | 3 |
| 2024 | 6 | 8 |
| 2025 | 6 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vertical reciprocating electric brush for powerful stain removal1 Sep 2026US 12,721,425 B1
- Linear drive assembly28 Jul 2026US 12,692,929 B2Kerr Machine Co.
- Hedge trimmer9 Jun 2026US 12,648,525 B2Greenworks (Jiangsu) Co., Ltd.
- Linear drive assembly18 Nov 2025US 12,473,898 B1Kerr Machine Co.
- Continuously variable transmission8 Jul 2025US 12,352,342 B2Dob Co., Ltd.
- Shift apparatus1 Oct 2026US 2026/0298327 A1Aisin Corporation
- Linear drive assembly12 Feb 2026US 2026/0043394 A1Kerr Machine Co.
- 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.
Most cited
By later US patents
- Reciprocating machine178US 5,762,480 A1998
- Liquid nitrogen pump82US 4,494,415 AHydra-Rig, Inc. · 1985
- Stirling engine thermal system improvements47US 6,694,731 B2DEKA Products Limited Partnership · 2004
- Efficient energy conversion apparatus and method especially arranged to employ a stirling engine or alternately arranged to employ an internal combustion engine43US 5,557,934 AEpoch Engineering, Inc. · 1996
- Brine injection device42US 5,275,095 AStork Protecon B.V. · 1994