F16C 2202/04
Hardness
F16C2202/04 (Hardness) appears on 225 US grants and 312 published applications in this corpus.
Search patents in F16C- Granted patents
- 225
- Published applications
- 312
- Assignees
- 127
- Inventors
- 708
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 7 |
| 2004 | 3 | 4 |
| 2005 | 2 | 1 |
| 2006 | 2 | 4 |
| 2007 | 1 | 1 |
| 2008 | 2 | 4 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 6 |
| 2012 | 1 | 3 |
| 2013 | 3 | 14 |
| 2014 | 4 | 19 |
| 2015 | 12 | 24 |
| 2016 | 16 | 26 |
| 2017 | 18 | 14 |
| 2018 | 17 | 13 |
| 2019 | 16 | 25 |
| 2020 | 16 | 29 |
| 2021 | 18 | 26 |
| 2022 | 22 | 19 |
| 2023 | 17 | 18 |
| 2024 | 18 | 20 |
| 2025 | 13 | 11 |
| 2026 | 7 | 16 |
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.
- Wear-resistant member26 May 2026US 12,638,050 B2NGK Insulators, Ltd.
- Method of manufacturing mechanical element and mechanical element19 May 2026US 12,629,791 B2Hane Inc.
- Sliding components19 May 2026US 12,631,215 B2Eagle Industry Co., Ltd.
- Bearing element for a bearing unit, and bearing unit with an increased life5 May 2026US 12,618,439 B2Aktiebolaget Skf
- Rolling bearing with attached raceways, in particular for a steering column8 Oct 2026US 2026/0309188 A1
- Wheel hub unit with noise reducing features1 Oct 2026US 2026/0296100 A1
- Deep Groove Ball Bearing and Arc-Shaped Roller Assembly1 Oct 2026US 2026/0298288 A1
- Sliding member17 Sep 2026US 2026/0276038 A1Daido Metal Company Ltd.
- One-step carbo-nitro-austempering process for forming steel bearings10 Sep 2026US 2026/0265851 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Bearing assembly with polycrystalline superlattice coating82US 5,593,234 ANtn Corporation · 1997
- Tilting pad bearing assemblies; bearing apparatuses and methods of using the same36US 10,294,986 B2US Synthetic Corporation · 2019
- Roller bearing apparatuses including compliant rolling elements, and related methods of manufacture34US 8,939,652 B2US Synthetic Corporation · 2015
- Anti-friction layer for a bearing element27US 7,942,581 B2Miba Gleitlager GmbH · 2011
- Tapered roller bearings and gear shaft support devices24US 6,328,477 B1Ntn Corporation · 2001