F04C 2270/78
Warnings
F04C2270/78 (Warnings) appears on 34 US grants and 31 published applications in this corpus.
Search patents in F04C- Granted patents
- 34
- Published applications
- 31
- Assignees
- 19
- Inventors
- 56
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 1 |
| 2004 | 3 | 3 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 3 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 1 | 4 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Gas compressor5 Aug 2025US 12,378,964 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Control of liquid ring pump7 Jan 2025US 12,188,473 B2Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
- Vacuum pumping system having a plurality of positive displacement vacuum pumps and method for operating the same24 Dec 2024US 12,173,712 B2Agilent Technologies, Inc.
- Fluid machine7 May 2024US 11,976,648 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Reducing power consumption in vacuum pumps1 Oct 2026US 2026/0298240 A1Edwards Limited
- System and method for emergency sub surface disaster location and survival11 Dec 2025US 2025/0375668 A1
- Method of Handling Gear Pump, Control System, Coating Apparatus and Robot System2 May 2024US 2024/0141894 A1ABB Schweiz AG
- Control of liquid ring pump25 Apr 2024US 2024/0133380 A1Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
- Information processing apparatus, information processing system, information processing method, program, substrate processing apparatus, criterion data determination apparatus, and criterion data determination method7 Mar 2024US 2024/0077079 A1Ebara Corporation
Most cited
By later US patents
- Compressor diagnostic system172US 6,615,594 B2Copeland Corporation · 2003
- Method and system for diagnosing a cooling system144US 6,758,051 B2Copeland Corporation · 2004
- Compressor diagnostic system137US 6,758,050 B2Copeland Corporation · 2004
- 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