F16F 2226/02
Surface treatments
F16F2226/02 (Surface treatments) appears on 101 US grants and 142 published applications in this corpus.
Search patents in F16F- Granted patents
- 101
- Published applications
- 142
- Assignees
- 96
- Inventors
- 304
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 3 |
| 2002 | 5 | 7 |
| 2003 | 5 | 2 |
| 2004 | 2 | 4 |
| 2005 | 4 | 5 |
| 2006 | 3 | 5 |
| 2007 | 1 | 3 |
| 2008 | 3 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 3 | 3 |
| 2014 | 1 | 2 |
| 2015 | 1 | 4 |
| 2016 | 3 | 3 |
| 2017 | 4 | 10 |
| 2018 | 3 | 7 |
| 2019 | 4 | 12 |
| 2020 | 8 | 9 |
| 2021 | 3 | 12 |
| 2022 | 10 | 4 |
| 2023 | 8 | 13 |
| 2024 | 7 | 9 |
| 2025 | 2 | 10 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic devices including coated surfaces25 Aug 2026US 12,716,119 B2Maxterial, Inc.
- Cylinder device and method of manufacturing piston rod17 Mar 2026US 12,576,468 B2Hitachi Astemo, Ltd.
- Shock absorber and method for manufacturing shock absorber17 Feb 2026US 12,553,143 B2Hitachi Astemo, Ltd.
- Rollers and work rolls including surface coatings6 Jan 2026US 12,516,403 B2Maxterial, Inc.
- Antivibration device production method, stopper for antivibration device, and antivibration device18 Nov 2025US 12,473,960 B2Prospira Corporation
- Coloured barrel spring1 Oct 2026US 2026/0298303 A1Nivarox-FAR S. A.
- Coating material, coating layer, and spring16 Jul 2026US 2026/0201206 A1NHK Spring Co., Ltd.
- Coating material and method for forming coating layer16 Jul 2026US 2026/0201209 A1NHK Spring Co., Ltd.
- Pneumatic devices including surface coatings9 Jul 2026US 2026/0193747 A1Maxterial, Inc.
- Method of manufacturing piston rod25 Jun 2026US 2026/0175346 A1Astemo, Ltd.
Most cited
By later US patents
- Controllable vibration apparatus131US 5,878,851 ALord Corporation · 1999
- Damped spring52US 4,905,972 AThe Secretary of State for Trade and Industry in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1990
- Spray coatings for suspension damper rods41US 6,189,663 B1General Motors Corporation · 2001
- Collision energy-absorbing device22US 7,070,217 B2Magna International Inc. · 2006
- Stabilizer bushing16US 6,474,631 B2Toyo Tire & Rubber Co., Ltd. · 2002