F28D 2021/0098
For viscous or semi-liquid materials
Official title: {for viscous or semi-liquid materials, e.g. for processing sludge}
F28D2021/0098 (For viscous or semi-liquid materials) appears on 24 US grants and 36 published applications in this corpus.
Search patents in F28D- Granted patents
- 24
- Published applications
- 36
- Assignees
- 28
- Inventors
- 82
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 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 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 2 |
| 2017 | 3 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 2 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and devices for heating or cooling viscous materials30 Sep 2025US 12,426,613 B2Societe des Produits Nestle S. A.
- Methods and devices for heating or cooling viscous materials12 Nov 2024US 12,137,711 B2Societe des Produits Nestle S. A.
- Heat exchanger and use of heat exchanger2 Jul 2024US 12,025,380 B2Ireliemar B.V.
- Methods and devices for heating or cooling viscous materials27 Jun 2023US 11,684,077 B2Societe des Produits Nestle S. A.
- System and method for direct steam injection into slurries3 May 2022US 11,319,787 B2
- Heat exchanger and method for operating a heat exchanger30 Jul 2026US 2026/0218992 A1Huber SE
- Material chilling/freezing system23 Jul 2026US 2026/0210637 A1Hive Chilling IP Pty Ltd
- Apparatus and method of use thereof20 Feb 2025US 2025/0060167 A1Dow Global Technologies LLC
- Methods and devices for heating or cooling viscous materials23 Jan 2025US 2025/0024867 A1Societe des Produits Nestle S. A.
- Methods and devices for heating or cooling viscous materials23 Nov 2023US 2023/0371562 A1SociéTé Des Produits Nesttlé S.A.
Most cited
By later US patents
- Device for preparing putty and similar masses29US 5,046,548 A1991
- Cooling apparatus for viscous liquids24US 4,271,682 AHiroshi Takeuchi · 1981
- System and method for convective heat transfer utilizing a particulate solution in a time varying field14US 8,011,424 B2The United States of America as represented by the Secretary of the Navy · 2011
- Heat exchanger, in particular for preheating liquid manure6US 6,513,580 B1Sirven · 2003
- High viscous fluid heat exchanger5US 5,228,503 A1993