C10N 2040/12
Gas-turbines
C10N2040/12 (Gas-turbines) appears on 323 US grants and 229 published applications in this corpus.
Search patents in C10N- Granted patents
- 323
- Published applications
- 229
- Assignees
- 120
- Inventors
- 626
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 20 | 0 |
| 1978 | 11 | 0 |
| 1979 | 10 | 0 |
| 1980 | 4 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 15 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 1 | 2 |
| 2003 | 5 | 13 |
| 2004 | 4 | 15 |
| 2005 | 3 | 5 |
| 2006 | 1 | 6 |
| 2007 | 6 | 4 |
| 2008 | 3 | 3 |
| 2009 | 0 | 16 |
| 2010 | 7 | 7 |
| 2011 | 3 | 10 |
| 2012 | 6 | 13 |
| 2013 | 6 | 15 |
| 2014 | 7 | 10 |
| 2015 | 6 | 12 |
| 2016 | 8 | 15 |
| 2017 | 13 | 10 |
| 2018 | 11 | 15 |
| 2019 | 3 | 15 |
| 2020 | 5 | 8 |
| 2021 | 13 | 9 |
| 2022 | 11 | 6 |
| 2023 | 4 | 8 |
| 2024 | 4 | 8 |
| 2025 | 5 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Furan based compositions and methods of making thereof11 Aug 2026US 12,703,689 B2University of Delaware
- Dinaphthyl ether compound and lubricant composition containing same31 Mar 2026US 12,590,048 B2Moresco Corporation
- Solvency enhancer compositions, methods of preparation and methods of use thereof10 Mar 2026US 12,570,916 B2Fluitec N.V.
- Lubricant composition for gas turbines7 Oct 2025US 12,435,291 B2Totalenergies Onetech
- Chemistries, application, and delivery methods for coke inhibition in fuel and oil systems15 Jul 2025US 12,359,627 B2General Electric Company
- Method of using machine oil, machine oil regeneration system, and method of adding machine oil regeneration unit9 Jul 2026US 2026/0193562 A1Mitsubishi Heavy Industries, Ltd.
- Long service life turbine oil with zero varnish deposits14 May 2026US 2026/0132351 A1Chemical & Schutz High Performance Lubricants, S.A. de C.V.
- Increased electric conductivity of a lubricant with amphiphilic amine and amphiphilic acid4 Sep 2025US 2025/0277163 A1BASF SE
- Novel additive mixture10 Oct 2024US 2024/0336865 A1LANXESS Deutschland GmbH
- Solvency enhancer compositions, methods of preparation and methods of use thereof18 Jul 2024US 2024/0240099 A1Fluitec N.V.
Most cited
By later US patents
- Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants102US 4,454,059 AThe Lubrizol Corporation · 1984
- Dispersant and antioxidant additive and lubricating oil composition containing same97US 5,075,383 ATexaco Inc. · 1991
- Dispersants and process for their preparation88US 3,980,569 AThe Lubrizol Corporation · 1976
- Mixed metal salts and lubricants and functional fluids containing them61US 4,308,154 AThe Lubrizol Corporation · 1981
- Sulfurized compositions60US 4,344,854 AThe Lubrizol Corporation · 1982