F01B 15/00
Reciprocating-piston machines or engines with movable cylinders other than provided for in
Official title: Reciprocating-piston machines or engines with movable cylinders other than provided for in group F01B13/00
F01B15/00 (Reciprocating-piston machines or engines with movable cylinders other than provided for in) appears on 95 US grants and 63 published applications in this corpus.
Search patents in F01B- Granted patents
- 95
- Published applications
- 63
- Assignees
- 39
- Inventors
- 119
- Latest grant
- 11 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 2 |
| 2003 | 4 | 2 |
| 2004 | 0 | 7 |
| 2005 | 0 | 4 |
| 2006 | 6 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 4 | 2 |
| 2011 | 1 | 3 |
| 2012 | 0 | 2 |
| 2013 | 6 | 14 |
| 2014 | 4 | 3 |
| 2015 | 3 | 2 |
| 2016 | 2 | 5 |
| 2017 | 3 | 0 |
| 2018 | 4 | 3 |
| 2019 | 1 | 1 |
| 2020 | 3 | 3 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- F01B 15/02Reciprocating-piston machines or engines with movable cylinders other than provided for in31
- F01B 15/04Reciprocating-piston machines or engines with movable cylinders other than provided for in20
- F01B 15/007Reciprocating-piston machines or engines with movable cylinders other than provided for in16
- F01B 15/005Reciprocating-piston machines or engines with movable cylinders other than provided for in13
- F01B 15/002Reciprocating-piston machines or engines with movable cylinders other than provided for in10
Recent patents
- Rotary engine11 Jul 2023US 11,697,993 B1
- Hot air engine system31 Aug 2021US 11,105,296 B1
- Pressure differential engine5 May 2020US 10,641,094 B2The Centripetal Energy Company II
- Plunger and cylinder assembly for a reciprocating pump10 Mar 2020US 10,584,586 B1Southern Stimulation Technologies, LLC
- Method and apparatus for rotating sleeve engine hydrodynamic seal18 Feb 2020US 10,563,509 B2
- Energy harvesting heat engine19 Dec 2024US 2024/0418136 A1Synergy Power LLC
- Hydraulic machines and systems10 Dec 2020US 2020/0386101 A1Artemis Intelligent Power Limited
- Revolution engine8 Oct 2020US 2020/0318499 A1
- Method and Apparatus for Rotating Sleeve Engine Hydrodynamic Seal3 Sep 2020US 2020/0277883 A1
- Piston and cylinder apparatus with adjustable stroke volume8 Aug 2019US 2019/0242257 A1Southern Stimulation Technologies, LLC
Most cited
By later US patents
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange119US 8,436,489 B2LightSail Energy, Inc. · 2013
- Compressed air-operated motor employing an air distributor51US 4,104,955 A1978
- Constant volume, continuous external combustion rotary engine with piston compressor and expander49US 4,336,686 ACombustion Research & Technology, Inc. · 1982
- Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems43US 8,539,763 B2SustainX, Inc. · 2013
- Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems43US 8,806,866 B2SustainX, Inc. · 2014