F16D 2250/0053
Hardening
F16D2250/0053 (Hardening) appears on 88 US grants and 103 published applications in this corpus.
Search patents in F16D- Granted patents
- 88
- Published applications
- 103
- Assignees
- 70
- Inventors
- 292
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 4 |
| 2003 | 4 | 3 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 6 |
| 2011 | 1 | 2 |
| 2012 | 5 | 4 |
| 2013 | 4 | 7 |
| 2014 | 2 | 5 |
| 2015 | 2 | 4 |
| 2016 | 5 | 7 |
| 2017 | 6 | 5 |
| 2018 | 7 | 8 |
| 2019 | 6 | 6 |
| 2020 | 4 | 6 |
| 2021 | 3 | 1 |
| 2022 | 5 | 8 |
| 2023 | 6 | 5 |
| 2024 | 5 | 4 |
| 2025 | 2 | 5 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Constant velocity plunging joint and method of producing a constant velocity plunging joint22 Sep 2026US 12,742,478 B2GKN Driveline Deutschland GmbH
- Method to produce high corrosion and wear resistant cast iron components by using laser cladding11 Aug 2026US 12,703,047 B2Oerlikon Surface Solutions AG, PfäFfikon
- Tripod type constant velocity universal joint28 Jul 2026US 12,692,904 B2Ntn Corporation
- Lightweight brake disc with maximized heat dissipation performance and manufacturing method thereof30 Jun 2026US 12,669,156 B2Pukyong National University Industry-University Cooperation Foundation
- Counter track joint13 Jan 2026US 12,523,260 B2GKN Driveline International GmbH
- Drive shaft27 Aug 2026US 2026/0251174 A1CP Tech GmbH
- Method for producing a counter track joint9 Jul 2026US 2026/0194111 A1
- Rotation braking device26 Feb 2026US 2026/0055794 A1Ntn Corporation
- Method of carburizing driveline components5 Feb 2026US 2026/0036176 A1Aircraft Gear Corporation
- Transmission unit8 Jan 2026US 2026/0009428 A1Poggipolini S.P.A.
Most cited
By later US patents
- Outer race for constant velocity joint, having improved anti-flaking properties and shaft strength, and process for producing the same17US 6,602,358 B1Honda Motor Co., Ltd. · 2003
- Brake disc and process for producing the same14US 4,126,492 AHonda Giken Kogyo Kabushiki Kaisha · 1978
- Friction-in-oil device having coaxial disks14US 6,006,885 AMessier-Bugatti · 1999
- Process for producing inner race for constant velocity joint having improved workability and strength14US 6,641,680 B2Honda Giken Kogyo Kabushiki Kaisha · 2003
- Constant-velocity-ratio universal joints13US 6,132,316 AGKN Automotive AG · 2000