F01B 2009/068
Quadri-lobe cams
Official title: {Quadri-lobe cams}
F01B2009/068 (Quadri-lobe cams) appears on 5 US grants and 6 published applications in this corpus.
Search patents in F01B- Granted patents
- 5
- Published applications
- 6
- Assignees
- 1
- Inventors
- 11
- Latest grant
- 1 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year.
Recent patents
- Asymmetric cam transmission with coaxial counter rotating shafts1 Mar 2022US 11,261,946 B2
- Asymmetric cam transmission with coaxial counter-rotating output shafts12 Nov 2019US 10,473,027 B2
- Rotary piston engine27 Nov 2012US 8,316,817 B2Dezmotec AG
- Piston motion modifiable internal combustion engine14 Jun 2005US 6,904,877 B2
- Single revolution cam engine28 Sep 2004US 6,796,284 B1
- Zhou engine and power-cam mechanism14 Oct 2021US 2021/0317780 A1
- Asymmetric cam transmission with coaxial counter rotating shafts27 Feb 2020US 2020/0063838 A1
- Asymmetric cam transmission with coaxial counter-rotating output shafts7 Jun 2018US 2018/0156108 A1
- Rotary Piston Engine29 Oct 2009US 2009/0266316 A1Dezmotec AG
- Rotary engine and compressor30 Dec 2004US 2004/0261731 A1
Most cited
By later US patents