B28C 7/00
Controlling the operation of apparatus for producing mixtures of clay or cement
Official title: Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture {(B28C5/42 takes precedence; feeding material in general B65G; proportioning in general G01F, G01G; controlling in general G05)}
B28C7/00 (Controlling the operation of apparatus for producing mixtures of clay or cement) appears on 795 US grants and 763 published applications in this corpus.
Search patents in B28C- Granted patents
- 795
- Published applications
- 763
- Assignees
- 416
- Inventors
- 1,456
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 14 | 0 |
| 1984 | 11 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 14 | 0 |
| 1996 | 24 | 0 |
| 1997 | 37 | 0 |
| 1998 | 34 | 0 |
| 1999 | 17 | 0 |
| 2000 | 13 | 0 |
| 2001 | 12 | 0 |
| 2002 | 10 | 16 |
| 2003 | 10 | 10 |
| 2004 | 10 | 25 |
| 2005 | 8 | 23 |
| 2006 | 8 | 17 |
| 2007 | 12 | 25 |
| 2008 | 10 | 23 |
| 2009 | 12 | 21 |
| 2010 | 19 | 20 |
| 2011 | 8 | 16 |
| 2012 | 13 | 19 |
| 2013 | 9 | 20 |
| 2014 | 14 | 20 |
| 2015 | 14 | 31 |
| 2016 | 17 | 34 |
| 2017 | 38 | 41 |
| 2018 | 24 | 33 |
| 2019 | 29 | 35 |
| 2020 | 37 | 59 |
| 2021 | 28 | 50 |
| 2022 | 39 | 53 |
| 2023 | 41 | 48 |
| 2024 | 41 | 52 |
| 2025 | 50 | 46 |
| 2026 | 24 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B28C 7/04Supplying or proportioning the ingredients395
- B28C 7/02Controlling the operation of the mixing329
- B28C 7/16Discharge means115
- B28C 7/0007Pretreatment of the ingredients88
- B28C 7/0046Storage or weighing apparatus for supplying ingredients35
- B28C 7/14Supply means incorporated in, or mounted on, mixers4
Recent patents
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- Systems and methods for manufacturing calcined gypsum with reduced particle size and manufacturing gypsum board with same10 Sep 2026US 2026/0265129 A1United States Gypsum Company
- Autonomous system and method for the kinetic management and stabilization of fresh concrete properties30 Jul 2026US 2026/0217614 A1Sensolyzer Advanced Sensing Systems Ltd.
- System to additively manufacturing constructions or components of constructions18 Jun 2026US 2026/0166775 A1Peri SE
Most cited
By later US patents
- Vehicle tracking, communication and fleet management system700US 6,611,755 B1Trimble Navigation Limited · 2003
- Articles of manufacture and methods for manufacturing laminate structures including inorganically filled sheets312US 5,830,548 AE. Khashoggi Industries · 1998
- Vehicle tracking, communication and fleet management system268US 6,892,131 B2Trimble Navigation Limited · 2005
- Portable mini silo system189US 5,339,996 AMidwest Pre-Mix, Inc. · 1994
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996