F01L 5/06
Surrounding working cylinder or piston
Official title: surrounding working cylinder or piston
F01L5/06 (Surrounding working cylinder or piston) appears on 42 US grants and 38 published applications in this corpus.
Search patents in F01L- Granted patents
- 42
- Published applications
- 38
- Assignees
- 24
- Inventors
- 57
- Latest grant
- 8 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 8 |
| 2013 | 4 | 3 |
| 2014 | 6 | 4 |
| 2015 | 3 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 3 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 3 | 3 |
| 2021 | 4 | 0 |
| 2022 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Valve timing system and method8 Nov 2022US 11,492,933 B2
- Intake and exhaust valve system for an internal combustion engine11 Jan 2022US 11,220,934 B2
- Opposed piston engine with variable compression ratio21 Dec 2021US 11,203,952 B2Enginuity Power Systems, Inc.
- Electric machine with non-contact interface11 May 2021US 11,002,191 B2GE Aviation Systems LLC
- Enhanced oiling for sliding valve aspiration system9 Mar 2021US 10,941,679 B2Grace Capital Partners, LLC
- Valve timing system and method28 Apr 2022US 2022/0127979 A1Lse R&D Engineering Limited
- Run out tolerant reciprocating cylinder sleeve seal carbon scraper16 Jul 2020US 2020/0224563 A1Dana Automotive Systems Group, LLC
- Electric machine with non-contact interface9 Jul 2020US 2020/0217250 A1GE Aviation Systems LLC
- Intake and Exhaust Valve System for an Internal Combustion Engine16 Jan 2020US 2020/0018196 A1Lse R&D Engineering Limited
- Opposed Piston Engine With Variable Compression Ratio22 Aug 2019US 2019/0257217 A1Enginuity Power Systems, Inc.
Most cited
By later US patents
- Internal combustion engine35US 7,559,298 B2Cleeves Engines Inc. · 2009
- Internal combustion engine22US 8,365,697 B2Pinnacle Engines, Inc. · 2013
- Intake valve of a supercharged two stroke engine11US 5,870,982 A1999
- High power density, low emission internal combustion engine11US 6,205,963 B12001
- Reciprocatory machines9US 5,081,963 AGalbraith Engineering Pty. Ltd. · 1992