F01B 23/00
Adaptations of machines or engines for special use
Official title: Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
F01B23/00 (Adaptations of machines or engines for special use) appears on 97 US grants and 121 published applications in this corpus.
Search patents in F01B- Granted patents
- 97
- Published applications
- 121
- Assignees
- 66
- Inventors
- 192
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 0 | 2 |
| 2012 | 2 | 6 |
| 2013 | 5 | 14 |
| 2014 | 4 | 6 |
| 2015 | 5 | 12 |
| 2016 | 3 | 4 |
| 2017 | 7 | 9 |
| 2018 | 6 | 11 |
| 2019 | 6 | 7 |
| 2020 | 9 | 10 |
| 2021 | 13 | 6 |
| 2022 | 6 | 14 |
| 2023 | 3 | 2 |
| 2024 | 5 | 4 |
| 2025 | 5 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01B 23/10Adaptations for driving, or combinations with, electric generators66
- F01B 23/08Adaptations for driving, or combinations with, pumps15
- F01B 23/02Adaptations for driving vehicles9
- F01B 23/06Adaptations for driving, or combinations with, hand-held tools or the like2
- F01B 23/12Adaptations for driving rolling mills or other heavy reversing machinery1
Recent patents
- Vacuum engine11 Aug 2026US 12,704,068 B2Energie-Innovation AG
- Dirty water distillation and salt harvesting system, method, and apparatus6 Jan 2026US 12,515,145 B2Heat IP Holdco, LLC
- Heat engine25 Nov 2025US 12,480,479 B2
- Integrated electro-hydraulic unit housing7 Oct 2025US 12,435,711 B2Robert Bosch GmbH
- Hydraulic/pneumatic power generating system27 May 2025US 12,312,959 B2
- Steam Powered Electric Generator Device24 Sep 2026US 2026/0286846 A1
- Vacuum Engine17 Apr 2025US 2025/0122804 A1Energie-Innovation AG
- Integrated electro-hydraulic unit housing13 Mar 2025US 2025/0084837 A1Robert Bosch GmbH
- Heat Engine6 Mar 2025US 2025/0075684 A1ProEnviroEnergy Inc.
- Hydraulic/pneumatic power generating system5 Dec 2024US 2024/0401481 A1
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
- Piston reciprocating compressed air engine80US 4,651,525 A1987
- Auxiliary power unit using compressed air53US 6,327,858 B12001
- Individual cogeneration plant and local network45US 7,124,586 B2MDI Motor Development International S.A. · 2006
- Engine using compressed air44US 5,491,977 A1996