C04B 7/52
Grinding
Official title: Grinding {; After-treatment of ground cement}
C04B7/52 (Grinding) appears on 227 US grants and 244 published applications in this corpus.
Search patents in C04B- Granted patents
- 227
- Published applications
- 244
- Assignees
- 148
- Inventors
- 612
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 11 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 5 |
| 2004 | 3 | 8 |
| 2005 | 5 | 3 |
| 2006 | 3 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 12 |
| 2011 | 6 | 8 |
| 2012 | 10 | 9 |
| 2013 | 7 | 6 |
| 2014 | 5 | 8 |
| 2015 | 7 | 8 |
| 2016 | 9 | 7 |
| 2017 | 2 | 9 |
| 2018 | 6 | 27 |
| 2019 | 12 | 12 |
| 2020 | 17 | 18 |
| 2021 | 14 | 15 |
| 2022 | 8 | 15 |
| 2023 | 7 | 13 |
| 2024 | 13 | 27 |
| 2025 | 13 | 14 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Binder composition comprising fine filler and fine ground granulated blast furnace slag11 Aug 2026US 12,703,662 B2Ecocem Materials Limited
- Dental hydraulic cement comprising ultrafine calcium silicate particles having fast hardening and suitable mechanical properties2 Jun 2026US 12,642,753 B2Septodont Ou Septodont SAS Ou Specialites Septqdont
- Use of a hydraulic binder containing calcium aluminate for the production of a construction material12 May 2026US 12,623,963 B2ARDEX Group GmbH
- Concrete element and method for its production12 May 2026US 12,623,965 B2METTEN Technologies GmbH & Co. KG
- Method of calcining a clay material7 Apr 2026US 12,595,206 B2Amrize Technology Switzerland LLC
- Method for manufacturing composite cement10 Sep 2026US 2026/0265125 A1HSustainability GmbH
- A mechanochemically carbonated natural pozzolan, methods of its production and uses therefof3 Sep 2026US 2026/0257966 A1Carbon Upcycling Technologies Inc.
- Method of calcining a clay material2 Jul 2026US 2026/0184631 A1Amrize Technology Switzerland LLC
- Slag-based fine aggregate, supplementary cementitious material and ultrahigh-performance concrete as well as preparation methods and use thereof25 Jun 2026US 2026/0176198 A1Shandong University
- Daytime Radiative Cooling Cementitious Composite (DRCCC)25 Jun 2026US 2026/0176203 A1Consejo Superior de Investigaciones Cientiflcas (CSIC)
Most cited
By later US patents
- Primary cementing240US 5,125,455 AHalliburton Services · 1992
- Squeeze cementing219US 5,121,795 AHalliburton Company · 1992
- Fine particle size cement compositions and methods210US 5,346,012 AHalliburton Company · 1994
- Repair of microannuli and cement sheath202US 5,127,473 AHalliburton Services · 1992
- Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix165US 5,679,145 AE. Khashoggi Industries · 1997