F16H 21/30
With members having rolling contact
Official title: with members having rolling contact
F16H21/30 (With members having rolling contact) appears on 39 US grants and 21 published applications in this corpus.
Search patents in F16H- Granted patents
- 39
- Published applications
- 21
- Assignees
- 9
- Inventors
- 51
- Latest grant
- 18 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 3 | 4 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Reciprocating engine with extended minimum combustion chamber volume18 Oct 2022US 11,473,654 B2
- Internal combustion engine with variable compression ratio and variable engine displacement23 Feb 2021US 10,927,755 B1
- Heat engine comprising a system for varying the compression ratio11 Feb 2020US 10,557,409 B2Gomecsys B.V.
- Desmodronic shaft and yoke assembly for translating linear to rotary motion30 Jun 2015US 9,068,635 B2Exodus R&D International PTE LTD
- Kinetic energy generation apparatus having increased power output23 Aug 2011US 8,001,948 B2
- Reciprocating engine with extended minimum combustion chamber volume28 Jul 2022US 2022/0235854 A1
- Heat engine comprising a system for varying the compression ratio25 Oct 2018US 2018/0306107 A1Gomecsys B.V.
- Double Motor Non-beam Pumping Unit with a Reducer Built in the Roller11 Oct 2018US 2018/0291716 A1
- Full torque crank assemblies6 Oct 2016US 2016/0290452 A1
- Desmodronic shaft and yoke assembly for translating linear to rotary motion3 Jan 2013US 2013/0000594 A1Exodus R&D International PTE LTD
Most cited
By later US patents
- 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
- Cantilevered crankshaft stirling cycle machine36US 6,062,023 ANew Power Concepts LLC · 2000
- Stirling engine thermal system improvements36US 6,381,958 B1New Power Concepts LLC · 2002