C04B 7/4484
Non-electric melting
Official title: {Non-electric melting}
C04B7/4484 (Non-electric melting) appears on 4 US grants and 3 published applications in this corpus.
Search patents in C04B- Granted patents
- 4
- Published applications
- 3
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 2 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the preparation of high alumina cement2 May 2023US 11,639,311 B2
- Process for the preparation of high alumina cement31 Mar 2020US 10,604,446 B2
- Process for melting and refining a charge27 Oct 1992US 5,158,590 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Preparation of cement using stabilized fibers of metastable calcium silicate26 May 1987US 4,668,300 A
- Process for the preparation of high alumina cement19 Mar 2020US 2020/0087201 A1Knauf Insulation, Inc.
- Process for the preparation of high alumina cement28 Nov 2019US 2019/0359523 A1Knauf Insulation, Inc.
- Process for the preparation of high alumina cement11 Jan 2018US 2018/0009710 A1Knauf Insulation, Inc.
Most cited
By later US patents
- Process for melting and refining a charge9US 5,158,590 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1992
- Preparation of cement using stabilized fibers of metastable calcium silicate5US 4,668,300 A1987
- Process for the preparation of high alumina cement1US 10,604,446 B22020