C23C 18/1616
Interior or inner surface
Official title: {interior or inner surface}
C23C18/1616 (Interior or inner surface) appears on 34 US grants and 48 published applications in this corpus.
Search patents in C23C- Granted patents
- 34
- Published applications
- 48
- Assignees
- 43
- Inventors
- 144
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 5 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 4 |
| 2014 | 1 | 3 |
| 2015 | 1 | 4 |
| 2016 | 2 | 6 |
| 2017 | 5 | 0 |
| 2018 | 2 | 3 |
| 2019 | 0 | 1 |
| 2020 | 1 | 6 |
| 2021 | 3 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of plating an automotive exhaust pipe16 Dec 2025US 12,498,076 B2Dynaflex Products
- Coating for internal surfaces of an airfoil and method of manufacture thereof16 Jan 2024US 11,873,569 B2Rtx Corporation
- Applying coatings to the interior surfaces of heat exchangers5 Dec 2023US 11,835,307 B2Rheem Manufacturing Company
- Polymer-metal composite structural component9 Nov 2021US 11,168,399 B2Raytheon Company
- Method and device for preparing high strength and durable super-hydrophobic film layer on inner wall of elongated metal tube3 Aug 2021US 11,078,572 B2Northeast Petroleum University
- Method for producing a functional structure, and functional structure25 Jun 2026US 2026/0176786 A1Friedrich-Alexander-UniversitäT Erlangen-NüRnberg (Fau) PersonalköRperschaft Des öFfentlichen Rechts
- Method of plating an automotive exhaust pipe28 Dec 2023US 2023/0417357 A1Dynaflex Products
- Anisotropic conductive sheet, electrical inspection device, and electrical inspection method6 Apr 2023US 2023/0106035 A1Mitsui Chemicals, Inc.
- Corrosion prevention for heat exchanger devices and pool heaters6 Oct 2022US 2022/0316823 A1Rheem Manufacturing Company
- Applying coatings to the interior surfaces of heat exchangers30 Dec 2021US 2021/0404754 A1Rheem Manufacturing Company
Most cited
By later US patents
- Apparatus and method for electroless plating29US 4,622,917 AETD Technology, Inc. · 1986
- Method for preparation of thermally and mechanically stable metal/porous substrate composite membranes17US 6,761,929 B2Research Triangle Institute · 2004
- Fuel filler pipe15US 5,803,131 AToyoda Gosei Co., Ltd. · 1998
- Metal plating process10US 5,149,566 ACourtaulds Coatings Limited · 1992
- Electroless plating apparatus9US 4,616,596 AHughes Aircraft Company · 1986