C04B 40/0028
Aspects relating to the mixing step of the mortar preparation
Official title: {Aspects relating to the mixing step of the mortar preparation}
C04B40/0028 (Aspects relating to the mixing step of the mortar preparation) appears on 1,744 US grants and 2,181 published applications in this corpus.
Search patents in C04B- Granted patents
- 1,744
- Published applications
- 2,181
- Assignees
- 941
- Inventors
- 4,534
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 14 | 0 |
| 1993 | 17 | 0 |
| 1994 | 14 | 0 |
| 1995 | 19 | 0 |
| 1996 | 22 | 0 |
| 1997 | 42 | 0 |
| 1998 | 42 | 0 |
| 1999 | 28 | 0 |
| 2000 | 27 | 0 |
| 2001 | 37 | 14 |
| 2002 | 38 | 37 |
| 2003 | 43 | 62 |
| 2004 | 41 | 65 |
| 2005 | 24 | 72 |
| 2006 | 34 | 74 |
| 2007 | 33 | 71 |
| 2008 | 29 | 69 |
| 2009 | 26 | 53 |
| 2010 | 51 | 67 |
| 2011 | 53 | 81 |
| 2012 | 40 | 83 |
| 2013 | 63 | 70 |
| 2014 | 58 | 69 |
| 2015 | 59 | 85 |
| 2016 | 60 | 79 |
| 2017 | 64 | 68 |
| 2018 | 53 | 91 |
| 2019 | 57 | 115 |
| 2020 | 89 | 113 |
| 2021 | 70 | 115 |
| 2022 | 76 | 133 |
| 2023 | 97 | 132 |
| 2024 | 97 | 153 |
| 2025 | 104 | 115 |
| 2026 | 67 | 95 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 40/0039Premixtures of ingredients1,346
- C04B 40/0032Controlling the process of mixing166
- C04B 40/006Involving the elimination of excess water from the mixture66
- C04B 40/005High shear mixing22
- C04B 40/0035Processes characterised by the absence of a mechanical mixing step20
- C04B 40/0057Energetic mixing2
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By later US patents
- Foamed well cement slurries, additives and methods302US 6,063,738 AHalliburton Energy Services.Inc. · 2000
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