C23C 8/28
More than one element being applied in one step
Official title: more than one element being applied in one step
C23C8/28 (More than one element being applied in one step) appears on 370 US grants and 424 published applications in this corpus.
Search patents in C23C- Granted patents
- 370
- Published applications
- 424
- Assignees
- 237
- Inventors
- 970
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 6 |
| 2002 | 13 | 6 |
| 2003 | 5 | 7 |
| 2004 | 4 | 15 |
| 2005 | 5 | 15 |
| 2006 | 2 | 13 |
| 2007 | 4 | 13 |
| 2008 | 10 | 6 |
| 2009 | 7 | 11 |
| 2010 | 9 | 11 |
| 2011 | 6 | 14 |
| 2012 | 5 | 16 |
| 2013 | 11 | 20 |
| 2014 | 14 | 37 |
| 2015 | 14 | 32 |
| 2016 | 16 | 28 |
| 2017 | 25 | 30 |
| 2018 | 27 | 19 |
| 2019 | 15 | 19 |
| 2020 | 21 | 21 |
| 2021 | 17 | 21 |
| 2022 | 10 | 26 |
| 2023 | 13 | 14 |
| 2024 | 20 | 10 |
| 2025 | 11 | 7 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Fe—N—C catalysts synthesized by non-contact pyrolysis of gas phase iron11 Aug 2026US 12,706,314 B2Northeastern University
- Steel sheet for gas soft nitriding2 Jun 2026US 12,644,163 B2Nippon Steel Corporation
- Processing method and processing apparatus for metal component19 May 2026US 12,630,914 B2Parker Netsushori Kogyo K.K.
- Method to produce cast iron brake discs with high corrosion and wear resistance10 Mar 2026US 12,571,443 B2Oerlikon Surface Solutions AG, PfäFfikon
- Method for the heat treatment of metallic workpieces, and work-piece produced therewith8 Oct 2026US 2026/0308742 A1ALD Vacuum Technologies GmbH
- One-step carbo-nitro-austempering process for forming steel bearings10 Sep 2026US 2026/0265851 A1GM Global Technology Operations LLC
- Mechanical component and method for manufacturing mechanical component13 Aug 2026US 2026/0235197 A1Komatsu Ltd.
- Low-temperature case hardening of additive manufactured articles and materials and targeted application of surface modification23 Apr 2026US 2026/0108946 A1Swagelok Company
- Method of manufacturing nitrided valve seat insert with supersaturated nitrogen surface layer and product thereof5 Mar 2026US 2026/0062786 A1L. E. Jones Company
Most cited
By later US patents
- Method of forming a fluorinated silicon oxide layer using plasma chemical vapor deposition303US 5,571,576 AWatkins-Johnson Company · 1996
- Method of surface hardening cobalt-chromium based alloys for orthopedic implant devices66US 5,308,412 AZimmer, Inc. · 1994
- Barrier coated ceramic fiber and coating method42US 4,605,588 AThe Boeing Company · 1986
- Ball-and-roller bearing41US 5,338,377 ANsk Ltd. · 1994
- Rolling bearing38US 5,352,303 ANsk Ltd. · 1994