F01C 20/28
Safety arrangements
Official title: Safety arrangements; Monitoring
F01C20/28 (Safety arrangements) appears on 32 US grants and 37 published applications in this corpus.
Search patents in F01C- Granted patents
- 32
- Published applications
- 37
- Assignees
- 28
- Inventors
- 57
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 3 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 5 |
| 2018 | 2 | 4 |
| 2019 | 4 | 1 |
| 2020 | 3 | 2 |
| 2021 | 2 | 6 |
| 2022 | 2 | 1 |
| 2023 | 3 | 0 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve position control12 Nov 2024US 12,140,033 B2ABB Schweiz AG
- Turbine control system13 Feb 2024US 11,898,449 B2ABB Schweiz AG
- Valve position control14 Nov 2023US 11,814,964 B2ABB Schweiz AG
- Turbine diagnostics3 Oct 2023US 11,773,721 B2ABB Schweiz AG
- Tested products of PDM performance testing device4 Jul 2023US 11,692,911 B2Abaco Drilling Technologies LLC
- Valve Position Control28 Mar 2024US 2024/0102388 A1ABB Schweiz AG
- Valve position control19 May 2022US 2022/0154602 A9ABB Schweiz AG
- Tested products of pdm performance testing device18 Mar 2021US 2021/0080355 A1Abaco Drilling Technologies LLC
- Turbine diagnostics25 Feb 2021US 2021/0054741 A1ABB Schweiz AG
- Valve position control25 Feb 2021US 2021/0054765 A1ABB Schweiz AG
Most cited
By later US patents
- Vibration protection in a variable speed compressor19US 7,895,003 B2Emerson Climate Technologies, Inc. · 2011
- Gerotor apparatus for a quasi-isothermal Brayton cycle engine16US 8,821,138 B2The Texas A&M University System · 2014
- Gerotor apparatus for a quasi-isothermal brayton cycle engine13US 7,008,200 B2StarRotor Corporation · 2006
- Electric machine having a high-torque switched reluctance motor13US 7,663,283 B2StarRoter Corporation · 2010
- Air tool overspeed shutoff device12US 3,930,764 ACooper Industries, Inc. · 1976