C01B 17/0221
Melting
Official title: {Melting}
C01B17/0221 (Melting) appears on 22 US grants and 14 published applications in this corpus.
Search patents in C01B- Granted patents
- 22
- Published applications
- 14
- Assignees
- 18
- Inventors
- 50
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the production of micronized sulfur8 Oct 2024US 12,110,257 B2Sultech Global Innovation Corp.
- Modified sulfur and production method thereof7 May 2024US 11,975,966 B2
- Process for the production of micronized sulfur4 Oct 2022US 11,459,277 B2Sultech Global Innovation Corp.
- Production of a master batch based on sulphur and carbonaceous nanofillers, the master batch produced, and uses thereof28 Apr 2020US 10,633,508 B2Arkema France
- Method and device for producing sulfuric acid8 Oct 2019US 10,435,299 B2thyssenkrupp AG
- Use of polyether siloxanes as processing aids for melt granulation1 Oct 2026US 2026/0297340 A1Evonik Operations GmbH
- Process for the production of micronized sulfur26 Dec 2024US 2024/0425426 A1Sultech Global Innovation Corp.
- Process for the production of micronized sulfur29 Dec 2022US 2022/0411342 A1Sultech Global Innovation Corp.
- Modified Sulfur and Production Method Thereof22 Jul 2021US 2021/0221682 A1
- Process for the production of micronized sulfur4 Feb 2021US 2021/0032104 A1Sultech Global Innovation Corp.
Most cited
By later US patents
- Method of and apparatus for melting block sulphur7US 4,050,740 A1977
- Sulphur melting apparatus and method5US 4,027,656 ACanadian Occidental Petroleum Ltd. · 1977
- Molten lithium-sulfur battery with solid electrolyte and method of manufacturing the same4US 10,312,550 B2Agency for Defense Development · 2019
- Process and apparatus for in situ melting of sulphur from solid sulphur storage block4US 4,171,200 AHudson's Bay Oil and Gas Company Limited · 1979
- Sulfur melting apparatus and method4US 4,402,304 A1983