F28D 11/02
The movement being rotary
Official title: the movement being rotary, e.g. performed by a drum or roller (F28D11/08 takes precedence)
F28D11/02 (The movement being rotary) appears on 183 US grants and 113 published applications in this corpus.
Search patents in F28D- Granted patents
- 183
- Published applications
- 113
- Assignees
- 119
- Inventors
- 319
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 13 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 1 | 5 |
| 2003 | 1 | 4 |
| 2004 | 4 | 5 |
| 2005 | 2 | 5 |
| 2006 | 2 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 4 |
| 2009 | 2 | 3 |
| 2010 | 3 | 3 |
| 2011 | 1 | 8 |
| 2012 | 3 | 8 |
| 2013 | 3 | 6 |
| 2014 | 4 | 2 |
| 2015 | 5 | 0 |
| 2016 | 5 | 7 |
| 2017 | 1 | 7 |
| 2018 | 7 | 0 |
| 2019 | 4 | 6 |
| 2020 | 4 | 8 |
| 2021 | 2 | 4 |
| 2022 | 7 | 3 |
| 2023 | 3 | 4 |
| 2024 | 3 | 5 |
| 2025 | 3 | 8 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fixing device for reinforcing the joint of a rotary heat exchanger9 Jun 2026US 12,650,267 B2Klingenburg GmbH
- Rotary batch preheater14 Apr 2026US 12,600,657 B2
- Counterflow rotary cooler31 Mar 2026US 12,590,767 B2Industrial Process Systems, Inc.
- Adjustable rotor support and rotary heat exchanger with such support17 Feb 2026US 12,553,567 B2Heatex AB
- Rotary heat exchanger30 Sep 2025US 12,429,253 B2Nativus, Inc.
- Rotary heat exchanger27 Aug 2026US 2026/0251358 A1Nativus, Inc.
- Rotary Batch Preheater26 Mar 2026US 2026/0084995 A1
- Rotor5 Feb 2026US 2026/0036375 A1
- Rotatable heat exchanger for a gas turbine engine11 Dec 2025US 2025/0376944 A1General Electric Company
- Systems, mixtures and methods of producing paving products using same9 Oct 2025US 2025/0314020 A1
Most cited
By later US patents
- Thermoelectric heat exchanger227US 6,119,463 AAmerigon Incorporated · 2000
- Thermoelectric heat exchanger196US 6,223,539 B1Amerigon Incorporated · 2001
- Thermoelectric heat exchanger103US 7,178,344 B2Amerigon Incorporated · 2007
- Process for high shear gas-liquid reactions79US 6,742,774 B2Holl Technologies Company · 2004
- Heat exchange method and device therefor for thermal energy storage72US 4,154,292 AGeneral Electric Company · 1979