F04B 2205/14
Viscosity
F04B2205/14 (Viscosity) appears on 16 US grants and 21 published applications in this corpus.
Search patents in F04B- Granted patents
- 16
- Published applications
- 21
- Assignees
- 20
- Inventors
- 49
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 3 |
| 2020 | 0 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for simulating the effect of plugs on cement placement16 Dec 2025US 12,497,961 B2Halliburton Energy Services.Inc.
- Method for determining a present state of wear of a hydrostatic machine15 Jul 2025US 12,359,662 B2Moog Inc.
- Systems and methods of controlling an electric motor that operates a pump jack30 Jan 2024US 11,885,324 B2Power It Perfect, Inc.
- Method and device for determining a wear condition in a hydrostatic pump30 May 2023US 11,661,937 B2Moog Inc.
- Method and fluid pump for conveying a fluid in a fluid circuit of a motor vehicle23 Aug 2022US 11,421,675 B2Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wuerzburg
- Method and Device for Determining Pumping Rate to Improve Proppant Placement Efficiency19 Feb 2026US 2026/0049608 A1STenergy LLC
- Managing lubrication of hydraulic fracturing pumps1 May 2025US 2025/0137448 A1Halliburton Energy Services.Inc.
- Operation monitoring for a thick matter conveying system5 Sep 2024US 2024/0295132 A1Putzmeister Engineering GmbH
- Method for simulating the effect of plugs on cement placement27 Jun 2024US 2024/0209849 A1Halliburton Energy Services.Inc.
- Method for determining a present state of wear of a hydrostatic machine15 Jun 2023US 2023/0184240 A1Moog Inc.
Most cited
By later US patents
- Rod pump beam position determination from motor power34US 5,425,623 AEaton Corporation · 1995
- Detection of rod pump fillage from motor power32US 5,372,482 AEaton Corporation · 1994
- Method and system for high viscosity pump27US 8,753,097 B2Entegris, Inc. · 2014
- De-sludging systems6US 5,161,954 AThomas Willett & Co. Ltd. · 1992
- Method and fluid pump for conveying a fluid in a fluid circuit of a motor vehicle1US 11,421,675 B2Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wuerzburg · 2022