C23C 4/129
Flame spraying
C23C4/129 (Flame spraying) appears on 416 US grants and 638 published applications in this corpus.
Search patents in C23C- Granted patents
- 416
- Published applications
- 638
- Assignees
- 331
- Inventors
- 1,506
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 5 |
| 2005 | 4 | 9 |
| 2006 | 3 | 15 |
| 2007 | 0 | 14 |
| 2008 | 3 | 14 |
| 2009 | 2 | 13 |
| 2010 | 8 | 16 |
| 2011 | 12 | 23 |
| 2012 | 5 | 12 |
| 2013 | 10 | 15 |
| 2014 | 7 | 23 |
| 2015 | 13 | 34 |
| 2016 | 15 | 44 |
| 2017 | 23 | 64 |
| 2018 | 28 | 32 |
| 2019 | 35 | 35 |
| 2020 | 39 | 31 |
| 2021 | 20 | 42 |
| 2022 | 25 | 46 |
| 2023 | 27 | 48 |
| 2024 | 29 | 43 |
| 2025 | 24 | 27 |
| 2026 | 16 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method to produce porous segmented thermal barrier coating and a porous segmented thermal barrier coating6 Oct 2026US 12,753,481 B2Siemens Energy Global GmbH & Co. KG
- Hydraulic devices including coated surfaces25 Aug 2026US 12,716,119 B2Maxterial, Inc.
- High density and adhesion coating process and coatings formed thereby18 Aug 2026US 12,709,817 B2Metal Improvement Company, Inc.
- MCrAlX-alloy, powder, coating for protection against corrosion and oxidation and for bonding ceramic insulating coating and component11 Aug 2026US 12,703,898 B2Siemens Energy Global GmbH & Co. KG
- Method for characterizing a coating21 Jul 2026US 12,687,476 B2MTU Aero Engines AG
- Multicomponent Coating24 Sep 2026US 2026/0286494 A1Concordia University
- Method for constructing front edge protective layer for wind turbine blade, and protective layer for wind turbine blade10 Sep 2026US 2026/0265896 A1Mitsubishi Heavy Industries, Ltd.
- Powder for thermal spraying27 Aug 2026US 2026/0250200 A1Fujimi Incorporated
- Method for constructing leading edge protective layer for wind turbine blade20 Aug 2026US 2026/0242921 A1Mitsubishi Heavy Industries, Ltd.
- Method for producing powder composition for ceramic coating and its use23 Jul 2026US 2026/0209110 A1Teknologian tutkimuskeskus VTT Oy
Most cited
By later US patents
- Kinetic spray coating method and apparatus140US 6,139,913 ANational Center for Manufacturing Sciences · 2000
- Kinetic spray coating apparatus105US 6,283,386 B1National Center for Manufacturing Sciences · 2001
- Apparatus and process for producing high density thermal spray coatings93US 4,869,936 AAmoco Corporation · 1989
- Highly concentrated supersonic liquified material flame spray method and apparatus81US 4,416,421 ABrowning Engineering Corporation · 1983
- Thermal spray systems79US 5,932,293 AMetalspray U.S.A., Inc. · 1999