F01C 13/00
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
F01C13/00 (Adaptations of machines or engines for special use) appears on 171 US grants and 183 published applications in this corpus.
Search patents in F01C- Granted patents
- 171
- Published applications
- 183
- Assignees
- 107
- Inventors
- 309
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 6 |
| 2005 | 2 | 2 |
| 2006 | 4 | 7 |
| 2007 | 3 | 5 |
| 2008 | 3 | 5 |
| 2009 | 0 | 9 |
| 2010 | 6 | 15 |
| 2011 | 7 | 14 |
| 2012 | 15 | 11 |
| 2013 | 13 | 18 |
| 2014 | 15 | 11 |
| 2015 | 7 | 17 |
| 2016 | 3 | 9 |
| 2017 | 15 | 11 |
| 2018 | 4 | 10 |
| 2019 | 7 | 6 |
| 2020 | 11 | 5 |
| 2021 | 4 | 6 |
| 2022 | 2 | 4 |
| 2023 | 3 | 1 |
| 2024 | 3 | 6 |
| 2025 | 5 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for energy conversion31 Mar 2026US 12,590,550 B2G-En Pte Ltd
- Quieted front exhaust motor16 Dec 2025US 12,496,699 B2Ingersoll-Rand Industrial U.S., Inc.
- Toroidal electric generator22 Jul 2025US 12,368,345 B2Infinity Electric Energy S.R.L.
- Particle adjusting drilling assembly and method20 May 2025US 12,305,640 B2Workover Solutions, Inc.
- Integrated energy generating damper1 Apr 2025US 12,264,656 B2ClearMotion, Inc.
- Optimized energy recovery device14 Aug 2025US 2025/0257730 A1
- Apparatus for energy conversion12 Jun 2025US 2025/0188854 A1G-En Pte Ltd
- Particle adjusting drilling assembly and method29 May 2025US 2025/0172043 A1Workover Solutions, Inc.
- Liquid hydrocarbon fluid transfer system23 Jan 2025US 2025/0027495 A1
- Particle adjusting drilling assembly and method19 Dec 2024US 2024/0418041 A1Workover Solutions, Inc.
Most cited
By later US patents
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange97US 8,065,874 B2Lightsale Energy, Inc. · 2011
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange90US 8,240,142 B2LightSail Energy, Inc. · 2012
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange86US 8,191,360 B2LightSail Energy, Inc. · 2012
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange81US 8,191,361 B2LightSail Energy, Inc. · 2012
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange80US 8,201,402 B2LightSail Energy, Inc. · 2012