C04B 40/0209
Electric, magnetic or electromagnetic fields
Official title: {Electric, magnetic or electromagnetic fields}
C04B40/0209 (Electric, magnetic or electromagnetic fields) appears on 7 US grants and 7 published applications in this corpus.
Search patents in C04B- Granted patents
- 7
- Published applications
- 7
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 8 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cast in place geopolymer concrete pile with heating unit8 Mar 2022US 11,268,254 B2Hebei Research Institute of Construction and Geotechnical Investigation Co., Ltd.
- Spatial heat treatment of additively manufactured objects12 Sep 2017US 9,757,880 B2Empire Technology Development LLC
- Heatable material for well operations8 Jul 2014US 8,770,292 B2
- Method and apparatus of curing concrete structures8 Dec 2009US 7,628,949 B2Energy Maintenance Service / LLC
- Method and device for manipulating ferrofluids for use in cementing wells7 Feb 1989US 4,802,534 ADowell Schlumberger Incorporated
- Compositions and Processes for Ultra-High Performance Microfiber Concrete1 Aug 2024US 2024/0254058 A1Integrated Composite Construction Systems, LLC
- Cast in place geopolymer concrete pile with heating unit2 Apr 2020US 2020/0102713 A1Hebei Research Institute of Construction and Geotechnical Investigation Co., Ltd.
- Spatial heat treatment of additively manufactured objects14 Jul 2016US 2016/0200011 A1Empire Technology Development LLC
- Materials with nanomaterials for well operations17 Dec 2015US 2015/0361760 A1
- Heatable material for well operations26 Apr 2012US 2012/0097395 A1
Most cited
By later US patents
- Method and device for manipulating ferrofluids for use in cementing wells28US 4,802,534 ADowell Schlumberger Incorporated · 1989
- Novel ferrofluids for use in cementing wells22US 4,691,774 ADowell Schlumberger Incorporated · 1987
- Spatial heat treatment of additively manufactured objects8US 9,757,880 B2Empire Technology Development LLC · 2017
- Method and apparatus of curing concrete structures6US 7,628,949 B2Energy Maintenance Service / LLC · 2009
- Heatable material for well operations5US 8,770,292 B22014