F16H 21/00
Gearings comprising primarily only links or levers, with or without slides
Official title: Gearings comprising primarily only links or levers, with or without slides (F16H23/00 takes precedence)
F16H21/00 (Gearings comprising primarily only links or levers, with or without slides) appears on 1,325 US grants and 1,142 published applications in this corpus.
Search patents in F16H- Granted patents
- 1,325
- Published applications
- 1,142
- Assignees
- 786
- Inventors
- 2,381
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 14 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 13 | 0 |
| 1982 | 11 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 17 | 0 |
| 1986 | 14 | 0 |
| 1987 | 17 | 0 |
| 1988 | 15 | 0 |
| 1989 | 14 | 0 |
| 1990 | 22 | 0 |
| 1991 | 16 | 0 |
| 1992 | 16 | 0 |
| 1993 | 21 | 0 |
| 1994 | 19 | 0 |
| 1995 | 10 | 0 |
| 1996 | 26 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 2 |
| 2002 | 15 | 11 |
| 2003 | 16 | 9 |
| 2004 | 7 | 15 |
| 2005 | 6 | 20 |
| 2006 | 7 | 17 |
| 2007 | 13 | 18 |
| 2008 | 7 | 10 |
| 2009 | 5 | 16 |
| 2010 | 11 | 21 |
| 2011 | 15 | 17 |
| 2012 | 9 | 25 |
| 2013 | 21 | 68 |
| 2014 | 33 | 93 |
| 2015 | 63 | 57 |
| 2016 | 60 | 65 |
| 2017 | 65 | 78 |
| 2018 | 56 | 109 |
| 2019 | 95 | 103 |
| 2020 | 106 | 117 |
| 2021 | 96 | 68 |
| 2022 | 82 | 55 |
| 2023 | 57 | 44 |
| 2024 | 56 | 42 |
| 2025 | 45 | 37 |
| 2026 | 19 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16H 21/10All movement being in, or parallel to, a single plane1,056
- F16H 21/46Gearings comprising primarily only links or levers, with or without slides: with208
- F16H 21/04Guiding mechanisms78
- F16H 21/02The movements of two or more independently-moving members being combined into a31
- F16H 21/06Which can be made ineffective when desired31
Recent patents
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- Surgical table rail clamp apparatus8 Sep 2026US 12,728,056 B2Allen Medical Systems, Inc.
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- Vertical reciprocating electric brush for powerful stain removal1 Sep 2026US 12,721,425 B1
- Actuator assembly with redundant drivers and linkages to mitigate fault conditions25 Aug 2026US 12,716,472 B1Solient LLC
- Actuator for providing a torque, said actuator comprising a linear drive8 Oct 2026US 2026/0309213 A1Schaeffler Technologies AG & Co. KG
- Actuation unit in an aircraft wing, method of assembling an actuation unit, aircraft wing and aircraft1 Oct 2026US 2026/0296638 A1Airbus Operations GmbH
- Shift apparatus1 Oct 2026US 2026/0298327 A1Aisin Corporation
- Mop bucket pump water cleaning mechanism and working method thereof24 Sep 2026US 2026/0283440 A1Gaobeidian Restar Electrical Applicances Manufacture Co., Ltd
- Drive mechanism for positive displacement pumps17 Sep 2026US 2026/0273173 A1Insulet Corporation
Most cited
By later US patents
- Manipulator arm with proximal and distal control balls1,703US 5,520,678 ARichard Wolf GmbH · 1996
- Reciprocating machine178US 5,762,480 A1998
- Articulated device, for use in particular in robotics108US 5,053,687 AInria Institut National de Recherche en Information et en Automotique · 1991
- Power transmission device97US 5,237,884 AOsada Research Institute, Ltd. · 1993
- Electric power driven toothbrush85US 5,311,633 ABraun GmbH · 1994