Y02P 40/10
Production of cement
Official title: Production of cement, e.g. improving or optimising the production methods; Cement grinding
Y02P40/10 (Production of cement) appears on 1,387 US grants and 1,515 published applications in this corpus.
Search patents in Y02P- Granted patents
- 1,387
- Published applications
- 1,515
- Assignees
- 795
- Inventors
- 3,231
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 11 | 0 |
| 1978 | 14 | 0 |
| 1979 | 3 | 0 |
| 1980 | 15 | 0 |
| 1981 | 21 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 19 | 0 |
| 1991 | 19 | 0 |
| 1992 | 17 | 0 |
| 1993 | 23 | 0 |
| 1994 | 31 | 0 |
| 1995 | 18 | 0 |
| 1996 | 24 | 0 |
| 1997 | 11 | 0 |
| 1998 | 27 | 0 |
| 1999 | 12 | 0 |
| 2000 | 11 | 0 |
| 2001 | 26 | 3 |
| 2002 | 18 | 11 |
| 2003 | 15 | 20 |
| 2004 | 18 | 25 |
| 2005 | 11 | 23 |
| 2006 | 17 | 20 |
| 2007 | 9 | 22 |
| 2008 | 8 | 23 |
| 2009 | 11 | 42 |
| 2010 | 25 | 46 |
| 2011 | 22 | 64 |
| 2012 | 41 | 61 |
| 2013 | 39 | 65 |
| 2014 | 43 | 71 |
| 2015 | 53 | 62 |
| 2016 | 48 | 89 |
| 2017 | 51 | 83 |
| 2018 | 60 | 75 |
| 2019 | 60 | 80 |
| 2020 | 65 | 68 |
| 2021 | 63 | 106 |
| 2022 | 53 | 110 |
| 2023 | 85 | 141 |
| 2024 | 75 | 98 |
| 2025 | 72 | 59 |
| 2026 | 39 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plunge pool25 Aug 2026US 12,716,254 B2Plungie IP Pty Ltd
- Method and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy9 Jun 2026US 12,649,689 B2Coolbrook Oy
- Method to tailor geopolymer compositions for effective zonal isolation2 Jun 2026US 12,644,035 B1Halliburton Energy Services.Inc.
- Carbon dioxide sequestered cement for well cementing26 May 2026US 12,637,607 B2Chevron U.S.A.Inc.
- Development of geopolymer cements utilizing red mud for primary well cementing applications26 May 2026US 12,637,608 B2Saudi Arabian Oil Company
- Cementitious reagents, methods of manufacturing and uses thereof1 Oct 2026US 2026/0296966 A1Terra Co2 Technology Holdings, Inc.
- Cement firing facility and firing method20 Aug 2026US 2026/0242279 A1Sumitomo Osaka Cement Co., Ltd.
- Method of at least partly calcining a raw material in a process of producing a cementitious material20 Aug 2026US 2026/0242280 A1Amrize Technology Switzerland LLC
- High-voltage depletion-mode current source, transistor, and fabrication methods20 Aug 2026US 2026/0242281 A1Texas Instruments Incorporated
- Synthesis of cement from alternative raw materials and fuels that reduces or eliminates co2 emissions6 Aug 2026US 2026/0225957 A1Batuga Tech LLC
Most cited
By later US patents
- Solidification of water based muds198US 5,058,679 AShell Oil Company · 1991
- Dilution of drilling fluid in forming cement slurries191US 5,314,022 AShell Oil Company · 1994
- Plasma whirl reactor apparatus and methods of use164US 7,622,693 B2Foret Plasma Labs, LLC · 2009
- Mineral binder and compositions employing the same153US 4,642,137 ALone Star Industries, Inc. · 1987
- Fly ash cementing compositions and methods147US 5,383,521 AHalliburton Company · 1995