F16C 2240/54
Surface roughness
F16C2240/54 (Surface roughness) appears on 235 US grants and 252 published applications in this corpus.
Search patents in F16C- Granted patents
- 235
- Published applications
- 252
- Assignees
- 108
- Inventors
- 638
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 3 |
| 2002 | 9 | 12 |
| 2003 | 5 | 7 |
| 2004 | 9 | 6 |
| 2005 | 5 | 6 |
| 2006 | 3 | 3 |
| 2007 | 1 | 15 |
| 2008 | 4 | 7 |
| 2009 | 5 | 5 |
| 2010 | 2 | 3 |
| 2011 | 4 | 5 |
| 2012 | 6 | 9 |
| 2013 | 4 | 9 |
| 2014 | 7 | 13 |
| 2015 | 12 | 9 |
| 2016 | 8 | 12 |
| 2017 | 7 | 10 |
| 2018 | 14 | 5 |
| 2019 | 10 | 13 |
| 2020 | 9 | 14 |
| 2021 | 10 | 18 |
| 2022 | 16 | 25 |
| 2023 | 15 | 8 |
| 2024 | 10 | 15 |
| 2025 | 12 | 11 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shell type roller bearing19 May 2026US 12,631,212 B2Ntn Corporation
- Sliding components19 May 2026US 12,631,215 B2Eagle Industry Co., Ltd.
- Sliding material, bearing, and methods of making and using the same5 May 2026US 12,618,438 B2Saint-Gobain Performance Plastics Corporation
- Machining unit and method for machining a component10 Mar 2026US 12,571,430 B2Aktiebolaget Skf
- Sliding member27 Jan 2026US 12,535,020 B2
- Rolling bearing and bearing device13 Aug 2026US 2026/0235162 A1Ntn Corporation
- Roller bearing9 Jul 2026US 2026/0194048 A1Ntn Corporation
- Bearing unit25 Jun 2026US 2026/0177100 A1
- Sliding component30 Apr 2026US 2026/0117822 A1Nsk Ltd.
- Bearing element and method of manufacturing a bearing element16 Apr 2026US 2026/0104074 A1Mahle Engine Systems UK Ltd
Most cited
By later US patents
- Roller body, method of its manufacture, and of roller or plain bearings57US 5,322,735 ASaphirwerk Industrieprodukte AG · 1994
- Self-pressurizing gas supported surface-roughness bearing48US 5,019,738 ALincoln Laser Company · 1991
- Valve for an internal combustion engine38US 4,359,022 ATokyo Shibaura Denki Kabushiki Kaisha · 1982
- Machine parts having minute random recesses36US 5,064,298 ANtn Corporation · 1991
- Polycrystalline diamond radial bearing33US 10,738,821 B2XR Downhole, LLC · 2020