F04C 2270/70
Safety, emergency conditions or requirements
F04C2270/70 (Safety, emergency conditions or requirements) appears on 207 US grants and 158 published applications in this corpus.
Search patents in F04C- Granted patents
- 207
- Published applications
- 158
- Assignees
- 98
- Inventors
- 490
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 1 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 0 |
| 2002 | 7 | 7 |
| 2003 | 9 | 8 |
| 2004 | 1 | 2 |
| 2005 | 2 | 12 |
| 2006 | 7 | 8 |
| 2007 | 6 | 1 |
| 2008 | 2 | 8 |
| 2009 | 4 | 9 |
| 2010 | 1 | 4 |
| 2011 | 3 | 3 |
| 2012 | 5 | 10 |
| 2013 | 4 | 5 |
| 2014 | 6 | 10 |
| 2015 | 5 | 5 |
| 2016 | 7 | 5 |
| 2017 | 9 | 10 |
| 2018 | 5 | 11 |
| 2019 | 6 | 8 |
| 2020 | 14 | 10 |
| 2021 | 4 | 4 |
| 2022 | 8 | 7 |
| 2023 | 5 | 0 |
| 2024 | 3 | 3 |
| 2025 | 2 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Scroll-type electric compressor6 Oct 2026US 12,753,761 B2Sanden Corporation
- Information processing apparatus, information processing system, information processing method, program, substrate processing apparatus, criterion data determination apparatus, and criterion data determination method17 Mar 2026US 12,577,952 B2Ebara Corporation
- Residual voltage controller and electric compressor including the same27 Jan 2026US 12,535,072 B2Hanon Systems
- Device for compressing a gaseous fluid and method for operating the device25 Nov 2025US 12,480,493 B2Hanon Systems
- Scroll compressor18 Nov 2025US 12,473,918 B2LG Electronics Inc.
- Signal control method, signal control apparatus, signal control device, storage medium, and computer program product24 Sep 2026US 2026/0286958 A1Risun Technology (Shenzhen) Limited
- Predicting tip seal wear in scroll pump23 Jul 2026US 2026/0210358 A1Agilent Technologies, Inc.
- Determining tip seal maintenance requirement in scroll pump23 Jul 2026US 2026/0210359 A1Agilent Technologies, Inc.
- Scroll-type electric compressor7 May 2026US 2026/0126044 A1Sanden Corporation
- System and method for emergency sub surface disaster location and survival11 Dec 2025US 2025/0375668 A1
Most cited
By later US patents
- System and method for controlling rotary screw compressors125US 6,450,771 B1Coltec Industries Inc. · 2002
- System and methods for controlling rotary screw compressors122US 5,713,724 AColtec Industries Inc. · 1998
- Scroll compressor with a thrust reduction mechanism96US 4,696,630 AKabushiki Kaisha Toshiba · 1987
- Scroll machine with reverse rotation protection87US 5,607,288 ACopeland Corporation · 1997
- Scroll machine with overheating protection85US 5,141,407 ACopeland Corporation · 1992