F16C 33/128
Porous bearings
Official title: {Porous bearings, e.g. bushes of sintered alloy}
F16C33/128 (Porous bearings) appears on 136 US grants and 174 published applications in this corpus.
Search patents in F16C- Granted patents
- 136
- Published applications
- 174
- Assignees
- 75
- Inventors
- 290
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 2 | 6 |
| 2013 | 0 | 14 |
| 2014 | 5 | 13 |
| 2015 | 10 | 12 |
| 2016 | 10 | 18 |
| 2017 | 7 | 15 |
| 2018 | 13 | 14 |
| 2019 | 10 | 18 |
| 2020 | 20 | 9 |
| 2021 | 7 | 16 |
| 2022 | 13 | 10 |
| 2023 | 7 | 4 |
| 2024 | 8 | 7 |
| 2025 | 5 | 3 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sliding member29 Sep 2026US 12,747,753 B2Daido Metal Company Ltd.
- Sliding member, bearing, sliding member manufacturing method, and bearing manufacturing method9 Jun 2026US 12,650,146 B2Senju Metal Industry Co., Ltd.
- Manufacture method of bushing, bushing and excavator12 May 2026US 12,623,284 B2Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Sliding member and bearing28 Apr 2026US 12,612,944 B2Senju Metal Industry Co., Ltd.
- Thermally adaptive gas bearing sleeve configured for remote geometry control24 Mar 2026US 12,584,515 B2Hamilton Sundstrand Corporation
- Self-lubricating universal joint27 Aug 2026US 2026/0251185 A1Array Tech, Inc.
- Sliding member and method for producing sliding member30 Jul 2026US 2026/0218749 A1Senju Metal Industry Co., Ltd.
- Sliding member and method for producing sliding member30 Apr 2026US 2026/0117823 A1Senju Metal Industry Co., Ltd.
- Thermally adaptive gas bearing sleeve configured for remote geometry control28 Aug 2025US 2025/0271025 A1Hamilton Sundstrand Corporation
- Thermally adaptive bearing sleeve28 Aug 2025US 2025/0271031 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Sliding material16US 5,326,384 ATaiho Kogyo Co., Ltd. · 1994
- Bearing material for porous hydrostatic gas bearing and porous hydrostatic gas bearing using the same16US 6,872,002 B2Oiles Corporation · 2005
- Bearing material for porous hydrostatic gas bearing and porous hydrostatic gas bearing using the same15US 6,342,306 B12002
- Motor pump bearing15US 8,303,184 B1AquaMotion, Inc. · 2012
- Powdered metal sintered bearing with improved oil flow polygonal interior bore14US 6,270,259 B1Emerson Electric Co. · 2001