B29B 13/021
Heat treatment of powders
Official title: {Heat treatment of powders}
B29B13/021 (Heat treatment of powders) appears on 76 US grants and 99 published applications in this corpus.
Search patents in B29B- Granted patents
- 76
- Published applications
- 99
- Assignees
- 62
- Inventors
- 213
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 5 |
| 2003 | 1 | 3 |
| 2004 | 2 | 3 |
| 2005 | 1 | 9 |
| 2006 | 0 | 1 |
| 2007 | 4 | 7 |
| 2008 | 2 | 1 |
| 2009 | 1 | 6 |
| 2010 | 5 | 5 |
| 2011 | 1 | 3 |
| 2012 | 8 | 4 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 7 |
| 2016 | 1 | 4 |
| 2017 | 6 | 4 |
| 2018 | 5 | 4 |
| 2019 | 1 | 1 |
| 2020 | 2 | 4 |
| 2021 | 2 | 3 |
| 2022 | 0 | 5 |
| 2023 | 2 | 5 |
| 2024 | 4 | 5 |
| 2025 | 6 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Deodorization apparatus and method16 Jun 2026US 12,654,362 B2Piovan S.P.A.
- Method for manufacturing toner14 Apr 2026US 12,601,985 B2Canon Kabushiki Kaisha
- Integrated tower for removing VOC from polypropylene particles2 Dec 2025US 12,485,584 B2Tianhua Institute of Chemical Machinery and Automation Co., Ltd
- Polyketone powder for laser sintering18 Nov 2025US 12,473,400 B2LUMAS Polymers LLC
- Methods of manufacturing synthetic bales2 Sep 2025US 12,404,646 B2Geohay, LLC
- Deodorization apparatus and method17 Sep 2026US 2026/0273799 A1Piovan S.P.A.
- Systems and methods for improved composite materials using coal char30 Jul 2026US 2026/0217952 A1University of Wyoming
- Powder composition and methods for powder bed fusion additive manufacturing16 Jul 2026US 2026/0200137 A1
- Polyketone powder for laser sintering12 Feb 2026US 2026/0042885 A1LUMAS Polymers LLC
- Methods of Manufacturing Synthetic Bales19 Jun 2025US 2025/0198103 A1Geohay, LLC
Most cited
By later US patents
- Thermal crystallization of a molten polyester polymer in a fluid70US 7,192,545 B2Eastman Chemical Company · 2007
- Thermal management system for a removable build chamber for use with a laser sintering system57US 7,790,096 B23D Systems, Inc. · 2010
- Method and apparatus for increasing an intrinsic viscosity of polyester51US 7,828,538 B22010
- Process for upgrading plastic material48US 6,852,256 B2Buhler AG · 2005
- Continuous production process for water-absorbent resin powder and powder surface detector used therefor47US 6,727,345 B2Nippon Shokubai Co., Ltd. · 2004