F16C 33/109
Lubricant compositions or properties
Official title: {Lubricant compositions or properties, e.g. viscosity}
F16C33/109 (Lubricant compositions or properties) appears on 111 US grants and 139 published applications in this corpus.
Search patents in F16C- Granted patents
- 111
- Published applications
- 139
- Assignees
- 107
- Inventors
- 320
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 0 | 9 |
| 2007 | 3 | 2 |
| 2008 | 2 | 5 |
| 2009 | 0 | 7 |
| 2010 | 7 | 10 |
| 2011 | 4 | 7 |
| 2012 | 6 | 2 |
| 2013 | 4 | 6 |
| 2014 | 4 | 6 |
| 2015 | 5 | 7 |
| 2016 | 5 | 6 |
| 2017 | 2 | 9 |
| 2018 | 8 | 5 |
| 2019 | 6 | 3 |
| 2020 | 4 | 9 |
| 2021 | 4 | 4 |
| 2022 | 3 | 10 |
| 2023 | 5 | 6 |
| 2024 | 5 | 4 |
| 2025 | 4 | 8 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Turbo chiller17 Mar 2026US 12,578,130 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Electromechanical joint for conductor arm having multiple degrees of freedom17 Feb 2026US 12,552,259 B2Caterpillar Global Mining Equipment LLC
- Diesters of polyethylene oxide as lubricant base oils17 Feb 2026US 12,553,006 B2Vantage Santolubes Research LLC
- Furniture rotary system having reduced friction, and a piece of furniture comprising such system10 Feb 2026US 12,546,363 B2Inter IKEA Systems B.V.
- Fluid dynamic bearing, spindle motor, and disk drive device14 May 2026US 2026/0132350 A1
- Bearing system16 Apr 2026US 2026/0104073 A1Mazda Motor Corporation
- Rotating anode x-ray tube12 Mar 2026US 2026/0074137 A1Canon Electron Tubes & Devices Co., Ltd.
- Fluid dynamic pressure bearing lubricant oil composition, fluid dynamic pressure bearing, and fluid dynamic pressure bearing apparatus27 Nov 2025US 2025/0361908 A1Nok Klueber Co., Ltd.
- Fluid dynamic pressure bearing oil, spindle motor, and disk drive device24 Jul 2025US 2025/0237263 A1MINEBEA MITSUMI Inc.
Most cited
By later US patents
- Control cable40US 5,241,880 ADow Corning Toray Silicone Co., Ltd. · 1993
- Bearing assemblies including enhanced selected support for nonuniform loads, bearing apparatuses, and methods of use33US 9,488,221 B2US Synthetic Corporation · 2016
- Low-friction sliding mechanism25US 6,969,198 B2Nippon Oil Co., Ltd. · 2005
- Disc drive hydro bearing lubricant with electrically conductive, non-metallic additive24US 5,940,246 ASeagate Technolog, Inc. · 1999
- Fluid bearing unit and lubricating oil composition for bearing22US 6,903,056 B2Nippon Steel Chemical Co., Ltd. · 2005