F04B 2201/0402
Lubricating oil temperature
F04B2201/0402 (Lubricating oil temperature) appears on 31 US grants and 28 published applications in this corpus.
Search patents in F04B- Granted patents
- 31
- Published applications
- 28
- Assignees
- 25
- Inventors
- 96
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 4 |
| 2017 | 2 | 3 |
| 2018 | 2 | 3 |
| 2019 | 3 | 2 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compressor vaporizer with discharge pipe in crankcase27 Jan 2026US 12,535,067 B2Advanced Flow Solutions Inc.
- Method for controlling a first reference temperature in a device for compressing gas30 Sep 2025US 12,429,044 B2Atlas Copco Airpower, Naamloze Vennootschap
- Hydraulic fracturing pump health and performance monitoring using IoT sensor networks22 Jul 2025US 12,366,242 B2SPM Oil & Gas Inc.
- Plunger pump with fault diagnosis structure13 May 2025US 12,297,824 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Method for detecting and monitoring condensate in an oil system of an oil-injected compressor or vacuum pump31 Dec 2024US 12,180,963 B2Atlas Copco Airpower, Naamloze Vennootschap
- Compressor vaporizer with discharge pipe in crankcase5 Jun 2025US 2025/0180010 A1Advanced Flow Solutions Inc.
- Method for controlling a first reference temperature in a device for compressing gas8 May 2025US 2025/0146486 A1Atlas Copco Airpower, Naamloze Vennootschap
- Method for detecting and monitoring condensate in an oil system of an oil-injected compressor or vacuum pump9 May 2024US 2024/0151230 A1Atlas Copco Airpower, Naamloze Vennootschap
- Plunger pump11 May 2023US 2023/0144116 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Hydraulic fracturing pump health and performance monitoring using iot sensor networks9 Feb 2023US 2023/0044928 A1SPM Oil & Gas Inc.
Most cited
By later US patents
- Compressor control system and method82US 6,082,971 AIngersoll-Rand Company · 2000
- Concrete pump monitoring system41US 5,332,366 ASchwing America, Inc. · 1994
- Method for controlling compressor discharge pressure21US 5,820,352 AIngersoll-Rand Company · 1998
- Variable displacement refrigerant compressor passive destroker16US 5,071,321 AGeneral Motors Corporation · 1991
- Electric hydraulic hybrid motor14US 5,927,073 AKomatsu Ltd. · 1999