C23C 30/005
On hard metal substrates
Official title: {on hard metal substrates}
C23C30/005 (On hard metal substrates) appears on 1,768 US grants and 1,734 published applications in this corpus.
Search patents in C23C- Granted patents
- 1,768
- Published applications
- 1,734
- Assignees
- 521
- Inventors
- 2,795
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 17 | 0 |
| 1988 | 11 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 13 | 0 |
| 1993 | 9 | 0 |
| 1994 | 15 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 25 | 0 |
| 1998 | 24 | 0 |
| 1999 | 40 | 0 |
| 2000 | 33 | 0 |
| 2001 | 38 | 11 |
| 2002 | 31 | 37 |
| 2003 | 33 | 39 |
| 2004 | 37 | 53 |
| 2005 | 24 | 41 |
| 2006 | 26 | 59 |
| 2007 | 26 | 61 |
| 2008 | 38 | 66 |
| 2009 | 27 | 64 |
| 2010 | 50 | 50 |
| 2011 | 60 | 65 |
| 2012 | 54 | 51 |
| 2013 | 54 | 56 |
| 2014 | 54 | 54 |
| 2015 | 55 | 75 |
| 2016 | 36 | 56 |
| 2017 | 48 | 61 |
| 2018 | 64 | 112 |
| 2019 | 69 | 83 |
| 2020 | 89 | 141 |
| 2021 | 105 | 117 |
| 2022 | 125 | 110 |
| 2023 | 83 | 88 |
| 2024 | 90 | 97 |
| 2025 | 96 | 57 |
| 2026 | 50 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wear resistant coating produced from at least two different AlCr-based targets6 Oct 2026US 12,753,484 B2Oerlikon Surface Solutions AG, PfäFfikon
- Surface-coated cutting tool29 Sep 2026US 12,746,604 B2Mitsubishi Materials Corporation
- Steel sheet for hot press formed member22 Sep 2026US 12,741,447 B2Posco
- Steel sheet1 Sep 2026US 12,723,295 B2Nippon Steel Corporation
- Cutting tool25 Aug 2026US 12,716,123 B2Sumitomo Electric Industries, Ltd.
- Work string tubing connection restoration24 Sep 2026US 2026/0284768 A1Postle Industries, Inc.
- Oxidation and SRZ Resistant Coatings on Nickel Superalloys17 Sep 2026US 2026/0275460 A1Pratt & Whitney Canada Corp.
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0275529 A1Nippon Steel Corporation
- Multilayer coating for high stressed metal pieces17 Sep 2026US 2026/0275531 A1Nuovo Pignone Tecnologie Srl
- Coated cutting tool13 Aug 2026US 2026/0233312 A1MOLDINO Tool Engineering, Ltd.
Most cited
By later US patents
- Tool with a molybdenum sulfide containing coating and method for its production413US 6,528,171 B1Widia GmbH · 2003
- Method for making a composite body coated with one or more layers of inorganic materials including CVD diamond256US 4,707,384 ASantrade Ltd. · 1987
- Sintered polycrystalline diamond compact construction with integral heat sink212US 4,605,343 AGeneral Electric Company · 1986
- Method and apparatus for fabrication of cobalt alloy composite inserts211US 6,063,333 ADennis Tool Company · 2000
- Cemented carbide body used preferably for rock drilling and mineral cutting171US 4,743,515 ASantrade Ltd. · 1988