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C10N 2030/45

Ash-less or low ash content

Official title: {Ash-less or low ash content}

C10N2030/45 (Ash-less or low ash content) appears on 316 US grants and 552 published applications in this corpus.

Search patents in C10N

Granted patents: 316
Published applications: 552
Assignees: 78
Inventors: 756
Latest grant: 29 Sep 2026

Filings by year

C10N 2030/45: granted patents and published applications per publication year
Year	Granted patents	Published applications
1978	1	0
1979	0	0
1980	0	0
1981	0	0
1982	0	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	0	0
1993	0	0
1994	0	0
1995	0	0
1996	0	0
1997	0	0
1998	0	0
1999	0	0
2000	1	0
2001	0	0
2002	0	1
2003	6	7
2004	1	9
2005	1	8
2006	2	26
2007	2	20
2008	2	20
2009	6	16
2010	15	42
2011	14	26
2012	17	31
2013	19	32
2014	23	28
2015	21	35
2016	28	26
2017	22	31
2018	15	22
2019	18	33
2020	19	21
2021	12	15
2022	15	17
2023	11	13
2024	8	24
2025	21	26
2026	16	23

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Lubricant compositions for reduced pre-ignition in hydrogen fueled engines29 Sep 2026US 12,747,407 B2Infineum International Limited
Lubricant compositions containing magnesium detergent for reduced pre-ignition in hydrogen fueled engines15 Sep 2026US 12,735,654 B2Infineum International Limited
Lubricant compositions containing molybdenum for reduced pre-ignition in hydrogen fueled engines1 Sep 2026US 12,723,212 B2Infineum International Limited
Use of molybdenum compounds in driveline lubricants for reduced friction and copper corrosion23 Jun 2026US 12,662,647 B2Afton Chemical Corporation
Lubricant compositions containing silicon for reduced pre-ignition in hydrogen fueled engines23 Jun 2026US 12,662,648 B2Infineum International Limited

Most cited

By later US patents