F01B 31/00
Component parts, details or accessories not provided for in, or of interest
Official title: Component parts, details or accessories not provided for in, or of interest apart from, other groups
F01B31/00 (Component parts, details or accessories not provided for in, or of interest) appears on 142 US grants and 109 published applications in this corpus.
Search patents in F01B- Granted patents
- 142
- Published applications
- 109
- Assignees
- 87
- Inventors
- 270
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 5 |
| 2007 | 1 | 16 |
| 2008 | 9 | 0 |
| 2009 | 4 | 3 |
| 2010 | 4 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 6 |
| 2014 | 0 | 10 |
| 2015 | 7 | 4 |
| 2016 | 4 | 8 |
| 2017 | 7 | 4 |
| 2018 | 5 | 11 |
| 2019 | 12 | 7 |
| 2020 | 8 | 11 |
| 2021 | 7 | 6 |
| 2022 | 4 | 4 |
| 2023 | 4 | 1 |
| 2024 | 5 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01B 31/14Changing of compression ratio45
- F01B 31/26Component parts, details or accessories not provided for in, or of interest24
- F01B 31/12Arrangements of measuring or indicating devices15
- F01B 31/08Cooling of steam engines9
- F01B 31/10Lubricating arrangements of steam engines9
- F01B 31/02De-icing means for engines having icing phenomena8
- F01B 31/005Silencing equipment7
- F01B 31/16Silencers specially adapted for steam engines7
Recent patents
- Rotary steam engine30 Jun 2026US 12,669,056 B2
- Integrated electro-hydraulic unit housing7 Oct 2025US 12,435,711 B2Robert Bosch GmbH
- Compact tandem cylinder reciprocating engine for CO2 power generation28 Jan 2025US 12,209,553 B2Indian Institute of Science
- Testing device for multiple piston assembly of cam-lobe hydraulic motor and testing method31 Dec 2024US 12,180,836 B2Zhejiang University
- Composite actuator systems and methods of making the same31 Dec 2024US 12,180,837 B1Goodrich Corporation
- Rotary steam engine26 Feb 2026US 2026/0055707 A1
- Integrated electro-hydraulic unit housing13 Mar 2025US 2025/0084837 A1Robert Bosch GmbH
- Rotary combustion engine and associated combustion method7 Nov 2024US 2024/0369013 A1
- Compact tandem cylinder reciprocating engine for co2 power generation26 Sep 2024US 2024/0318554 A1Indian Institute of Science
- Testing device for multiple piston assembly of cam-lobe hydraulic motor and testing method22 Aug 2024US 2024/0280021 A1Zhejiang University
Most cited
By later US patents
- Compressed air engine36US 4,124,978 A1978
- Rotary engine33US 4,078,529 A1978
- Die casting machine with piston positioning control26US 3,956,973 ABasic Aluminum Castings Company · 1976
- Chamber insulation for prevention of icing in air motors24US 5,649,813 AIngersoll-Rand Company · 1997
- Driving mechanism with gas bearing23US 5,218,896 ACanon Kabushiki Kaisha · 1993