B09B 3/29
Involving a melting or softening step
Official title: involving a melting or softening step
B09B3/29 (Involving a melting or softening step) appears on 120 US grants and 82 published applications in this corpus.
Search patents in B09B- Granted patents
- 120
- Published applications
- 82
- Assignees
- 109
- Inventors
- 316
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 3 |
| 2006 | 2 | 4 |
| 2007 | 2 | 3 |
| 2008 | 1 | 5 |
| 2009 | 1 | 1 |
| 2010 | 4 | 7 |
| 2011 | 3 | 2 |
| 2012 | 4 | 4 |
| 2013 | 2 | 3 |
| 2014 | 2 | 4 |
| 2015 | 2 | 12 |
| 2016 | 9 | 1 |
| 2017 | 4 | 4 |
| 2018 | 3 | 8 |
| 2019 | 2 | 2 |
| 2020 | 3 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 4 |
| 2023 | 4 | 1 |
| 2024 | 1 | 5 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyethylene (PE) waste material-based carbon-fixed aggregate with wire mesh shell, and preparation method of PE waste material-based carbon-fixed aggregate6 Jan 2026US 12,515,986 B1Inner Mongolia Agricultural University
- Method for recycling scrap glass from exhausted photovoltaic panels11 Nov 2025US 12,465,964 B2Nuova Raecycle S.R.L.
- Arrangement for recycling mineral wool waste to mineral wool production11 Mar 2025US 12,246,983 B2Sumitomo SHI FW Energia Oy
- Long glass fiber manufacturing method, and long glass fiber8 Oct 2024US 12,110,249 B2Nitto Boseki Co., Ltd.
- Cyclonic plasma melting furnace5 Dec 2023US 11,835,230 B2Korea Institute of Fusion Energy
- Systems and Methods for Vitrification Process Control30 Apr 2026US 2026/0115771 A1Veolia Nuclear Solutions, Inc.
- Arrangement for and a method of recycling mineral wool waste12 Jun 2025US 2025/0187970 A1Sumitomo SHI FW Energia Oy
- Systems and Methods for Vitrification Process Control24 Apr 2025US 2025/0128304 A1Veolia Nuclear Solutions, Inc.
- The carbon dioxide fixing sludge fine powder, its production method and hydraulically hardened body27 Feb 2025US 2025/0066246 A1Kajima Corporation
- System and method for recycling personal protective equipment12 Dec 2024US 2024/0408655 A1Vitacore Industries Inc.
Most cited
By later US patents
- Reactor and method for disassociating waste190US 5,301,620 AMolten Metal Technology, Inc. · 1994
- Incineration of hazardous wastes using closed cycle combustion ash vitrification43US 5,309,850 AThe Babcock & Wilcox Company · 1994
- Process and apparatus for reducing heavy metal toxicity in fly ash from solid waste incineration37US 4,977,837 ANational Recovery Technologies, Inc. · 1990
- Process for producing an environmentally acceptable abrasive product from hazardous wastes37US 5,273,566 AInternational Environmelting Corporation · 1993
- Method and system for high-temperature waste treatment36US 6,355,904 B1Science Applications International Corporation · 2002