C10G 9/203
Chemical composition of the tubes
Official title: {chemical composition of the tubes}
C10G9/203 (Chemical composition of the tubes) appears on 103 US grants and 104 published applications in this corpus.
Search patents in C10G- Granted patents
- 103
- Published applications
- 104
- Assignees
- 57
- Inventors
- 283
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 3 |
| 2003 | 8 | 4 |
| 2004 | 2 | 2 |
| 2005 | 2 | 4 |
| 2006 | 0 | 1 |
| 2007 | 3 | 3 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 8 |
| 2012 | 5 | 9 |
| 2013 | 2 | 2 |
| 2014 | 5 | 5 |
| 2015 | 7 | 4 |
| 2016 | 3 | 7 |
| 2017 | 3 | 6 |
| 2018 | 8 | 7 |
| 2019 | 5 | 7 |
| 2020 | 5 | 4 |
| 2021 | 7 | 3 |
| 2022 | 1 | 5 |
| 2023 | 0 | 5 |
| 2024 | 6 | 2 |
| 2025 | 0 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internally profiled tubes18 Aug 2026US 12,710,236 B2Paralloy Limited
- Anti-coking iron spinel surface2 Jun 2026US 12,644,173 B2NOVA Chemicals (International) S.A.
- Lined vessel, composite, and process28 Apr 2026US 12,612,568 B2Uop LLC
- Heat transfer enhancement pipe as well as cracking furnace and atmospheric and vacuum heating furnace including the same22 Oct 2024US 12,123,661 B2Bejing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Anti-coking iron spinel surface20 Aug 2024US 12,065,744 B2NOVA Chemicals (International) S.A.
- A method of decoking a cracking furnace20 Aug 2026US 2026/0242673 A1Dow Global Technologies LLC
- Processes and Systems for Steam Cracking Hydrocarbon Feeds14 Aug 2025US 2025/0257267 A1
- Lined vessel, composite, and process26 Jun 2025US 2025/0207046 A1Uop LLC
- Anti-Coking Iron Spinel Surface16 Jan 2025US 2025/0019816 A1NOVA Chemicals (International) S.A.
- Steam cracking method utilizing electricity for providing energy15 Feb 2024US 2024/0052247 A1Beijing Carbon Zero Hydrogen Electric Technology Co., Ltd.
Most cited
By later US patents
- Multi-layered anti-coking heat resisting metal tube and the method for manufacturing thereof52US 6,337,459 B12002
- Furnace having tubes for cracking hydrocarbons43US 5,206,880 AKanthal AB · 1993
- Increasing production in hydrocarbon conversion processes31US 6,274,113 B1Chevron Phillips Chemical Company LP · 2001
- Silicon-containing steel composition with improved heat exchanger corrosion and fouling resistance28US 8,211,548 B2ExxonMobil Research and Engineering Company · 2012
- Coking and carburization resistant iron aluminides for hydrocarbon cracking20US 6,830,676 B2Chrysalis Technologies Incorporated · 2004