C04B 18/00

Use of agglomerated or waste materials or refuse as fillers for mortars

Official title: Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone (use of waste materials for the manufacture of cement C04B7/24); Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone

C04B18/00 (Use of agglomerated or waste materials or refuse as fillers for mortars) appears on 2,025 US grants and 2,104 published applications in this corpus.

Search patents in C04B

Granted patents: 2,025
Published applications: 2,104
Assignees: 1,386
Inventors: 5,236
Latest grant: 22 Sep 2026

Filings by year

C04B 18/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	19	0
1977	23	0
1978	21	0
1979	14	0
1980	26	0
1981	21	0
1982	20	0
1983	32	0
1984	17	0
1985	17	0
1986	16	0
1987	14	0
1988	19	0
1989	20	0
1990	19	0
1991	26	0
1992	29	0
1993	38	0
1994	32	0
1995	27	0
1996	39	0
1997	30	0
1998	43	0
1999	43	0
2000	30	0
2001	36	6
2002	30	48
2003	36	60
2004	39	57
2005	28	35
2006	18	42
2007	18	44
2008	27	44
2009	20	45
2010	37	38
2011	32	46
2012	33	53
2013	44	61
2014	41	53
2015	57	52
2016	37	57
2017	38	97
2018	70	99
2019	66	125
2020	91	123
2021	78	141
2022	95	153
2023	114	160
2024	113	186
2025	123	149
2026	69	130

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

Use of agglomerated or waste materials or refuse as fillers for mortars

Filings by year

Subgroups

Recent patents

Most cited