F04B 53/18
Lubricating
F04B53/18 (Lubricating) appears on 354 US grants and 447 published applications in this corpus.
Search patents in F04B- Granted patents
- 354
- Published applications
- 447
- Assignees
- 243
- Inventors
- 908
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 5 |
| 2003 | 3 | 2 |
| 2004 | 1 | 5 |
| 2005 | 2 | 2 |
| 2006 | 3 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 5 |
| 2010 | 1 | 13 |
| 2011 | 4 | 10 |
| 2012 | 7 | 7 |
| 2013 | 4 | 10 |
| 2014 | 9 | 24 |
| 2015 | 11 | 26 |
| 2016 | 14 | 25 |
| 2017 | 17 | 27 |
| 2018 | 18 | 24 |
| 2019 | 22 | 23 |
| 2020 | 24 | 30 |
| 2021 | 23 | 41 |
| 2022 | 29 | 41 |
| 2023 | 42 | 33 |
| 2024 | 36 | 39 |
| 2025 | 35 | 28 |
| 2026 | 24 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluidic methods and devices6 Oct 2026US 12,753,749 B2Obotics Inc.
- Packing style piston rod25 Aug 2026US 12,716,413 B2Gd Energy Products, LLC
- Fluid end assembly18 Aug 2026US 12,710,039 B2Kerr Machine Co.
- Crosshead box and plunger pump7 Jul 2026US 12,674,451 B2Yantai Jereh Oilfield Services Group Co., Ltd.
- Modular plunger packing gland assembly7 Jul 2026US 12,674,452 B2Caterpillar Inc. Joint OC
- Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods17 Sep 2026US 2026/0275845 A1BJ Energy Solutions, LLC
- Connecting rod-crosshead assembly, and plunger pump20 Aug 2026US 2026/0243250 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Hydraulic tool pump30 Jul 2026US 2026/0216855 A1Milwaukee Electric Tool Corporation
- Modular power end25 Jun 2026US 2026/0177043 A1Kerr Machine Co.
- Fluid proportioning system with feedback25 Jun 2026US 2026/0178062 A1Unist, Inc.
Most cited
By later US patents
- Continuous high-power turbine fracturing equipment178US 10,961,993 B1American Jereh International Corporation · 2021
- Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods133US 11,236,739 B2BJ Energy Solutions, LLC · 2022
- High pressure fluid system121US 9,371,919 B2PSI Pressure Systems Corp. · 2016
- Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods98US 10,989,180 B2BJ Energy Solutions, LLC · 2021
- Tubing pump system for pumping well fluids94US 5,765,639 AMuth Pump LLC · 1998