C23C 8/34
More than one element being applied in more than one step
Official title: more than one element being applied in more than one step
C23C8/34 (More than one element being applied in more than one step) appears on 181 US grants and 176 published applications in this corpus.
Search patents in C23C- Granted patents
- 181
- Published applications
- 176
- Assignees
- 149
- Inventors
- 498
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 7 | 3 |
| 2003 | 2 | 4 |
| 2004 | 2 | 6 |
| 2005 | 3 | 6 |
| 2006 | 5 | 6 |
| 2007 | 1 | 12 |
| 2008 | 3 | 6 |
| 2009 | 5 | 4 |
| 2010 | 9 | 9 |
| 2011 | 1 | 3 |
| 2012 | 3 | 3 |
| 2013 | 6 | 10 |
| 2014 | 7 | 9 |
| 2015 | 1 | 14 |
| 2016 | 5 | 13 |
| 2017 | 8 | 11 |
| 2018 | 11 | 4 |
| 2019 | 8 | 7 |
| 2020 | 6 | 7 |
| 2021 | 8 | 9 |
| 2022 | 10 | 11 |
| 2023 | 4 | 3 |
| 2024 | 9 | 4 |
| 2025 | 2 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method to produce cast iron brake discs with high corrosion and wear resistance10 Mar 2026US 12,571,443 B2Oerlikon Surface Solutions AG, PfäFfikon
- Case-hardened steel part for use in aeronautics23 Dec 2025US 12,503,742 B2Safran Helicopter Engines
- Method for patinating zinc surfaces and system therefor4 Mar 2025US 12,241,163 B2
- Damper spring31 Dec 2024US 12,181,012 B2Aisin Corporation
- Undercut-free patterned aluminum nitride structure and methods for forming the same5 Nov 2024US 12,134,824 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Mechanical component and method for manufacturing mechanical component13 Aug 2026US 2026/0235197 A1Komatsu Ltd.
- Equal matching of oxidation rate between sige and si through clustered pre-clean and pre-surface nitridation13 Aug 2026US 2026/0239898 A1APPLIED Materials.Inc.
- Coated fastener and manufacturing method for same6 Aug 2026US 2026/0226933 A1Posco
- Lithium Metal Protection Using Reactive Gas Combinations26 Mar 2026US 2026/0088300 A1Apple Inc.
- Nitrogen assisted hardening of an article11 Dec 2025US 2025/0376752 A1Fluid Controls Pvt. Ltd.
Most cited
By later US patents
- Method of forming a corrosion-resistant protective coating on aluminum substrate135US 5,069,938 AAPPLIED Materials.Inc. · 1991
- Method of surface hardening cobalt-chromium based alloys for orthopedic implant devices66US 5,308,412 AZimmer, Inc. · 1994
- Passivation of copper in dual damascene metalization39US 6,554,914 B1Novellus Systems, Inc. · 2003
- Surface treatment of metals34US 4,547,228 AProcedyne Corp. · 1985
- Tube fitting with separable tube gripping ring34US 7,108,288 B2Swagelok Company · 2006